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Groups > linux.debian.user > #247491 > unrolled thread

Do I need a new hard drive?

Started byCharles Curley <charlescurley@charlescurley.com>
First post2022-04-24 21:10 +0200
Last post2022-04-27 04:10 +0200
Articles 12 — 3 participants

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Contents

  Do I need a new hard drive? Charles Curley <charlescurley@charlescurley.com> - 2022-04-24 21:10 +0200
    Re: Do I need a new hard drive? "Andrew M.A. Cater" <amacater@einval.com> - 2022-04-24 21:30 +0200
    Re: Do I need a new hard drive? David Christensen <dpchrist@holgerdanske.com> - 2022-04-24 23:10 +0200
      Re: Do I need a new hard drive? Charles Curley <charlescurley@charlescurley.com> - 2022-04-25 00:40 +0200
        Re: Do I need a new hard drive? David Christensen <dpchrist@holgerdanske.com> - 2022-04-25 07:50 +0200
          Re: Do I need a new hard drive? Charles Curley <charlescurley@charlescurley.com> - 2022-04-25 17:40 +0200
    Re: Do I need a new hard drive? Charles Curley <charlescurley@charlescurley.com> - 2022-04-25 02:20 +0200
      Re: Do I need a new hard drive? David Christensen <dpchrist@holgerdanske.com> - 2022-04-25 08:00 +0200
        Re: Do I need a new hard drive? Charles Curley <charlescurley@charlescurley.com> - 2022-04-25 16:20 +0200
          Re: Do I need a new hard drive? David Christensen <dpchrist@holgerdanske.com> - 2022-04-26 00:00 +0200
            Re: Do I need a new hard drive? Charles Curley <charlescurley@charlescurley.com> - 2022-04-27 00:10 +0200
              Re: Do I need a new hard drive? David Christensen <dpchrist@holgerdanske.com> - 2022-04-27 04:10 +0200

#247491 — Do I need a new hard drive?

FromCharles Curley <charlescurley@charlescurley.com>
Date2022-04-24 21:10 +0200
SubjectDo I need a new hard drive?
Message-ID<EfPMm-aVIr-9@gated-at.bofh.it>
I have three hard drives in a RAID 5 array. This morning my motherboard
went wonky and crashed. USB devices on the motherboard are acting up. I
cannot reboot to Debian. I can, however, boot to finnix 120. Using
that, I have fscked all partitions, including the RAID array. I am
running checksums, with no reported errors. So far, so good.

One drive, /dev/sdd, which has a partition which is a member of the RAID
array, gave me some error messages on the console and copied to dmesg,
reproduced below. It is a SATA drive, masquerading as as SCSI device. I
ran a SMART short test which reported no errors.

Some quick grepping in syslog and syslog.1 showed no non-routine error
messages for /dev/sdd.

Would someone who knows SCSI error messages better than I do please let
me know if there are any problems with the drive.

--------------------------------------------------
Lines not related to sdd removed.
...
[    2.075895] sd 3:0:0:0: [sdd] 7814037168 512-byte logical blocks: (4.00 TB/3.64 TiB)
[    2.075897] sd 3:0:0:0: [sdd] 4096-byte physical blocks
[    2.075904] sd 3:0:0:0: [sdd] Write Protect is off
[    2.075906] sd 3:0:0:0: [sdd] Mode Sense: 00 3a 00 00
[    2.075921] sd 3:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

[    2.152206]  sdd: sdd1
[    2.152720] sd 3:0:0:0: [sdd] Attached SCSI disk

[ 1124.317921] sd 3:0:0:0: [sdd] tag#5 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
[ 1124.317925] sd 3:0:0:0: [sdd] tag#5 Sense Key : Illegal Request [current] 
[ 1124.317928] sd 3:0:0:0: [sdd] tag#5 Add. Sense: Unaligned write command
[ 1124.317932] sd 3:0:0:0: [sdd] tag#5 CDB: Read(16) 88 00 00 00 00 00 00 04 59 80 00 00 00 a0 00 00
[ 1124.317936] blk_update_request: I/O error, dev sdd, sector 285056 op 0x0:(READ) flags 0x80700 phys_seg 5 prio class 0
[ 1124.320088] ata4: EH complete
[ 1150.401439] ata4.00: exception Emask 0x52 SAct 0x180 SErr 0x400c01 action 0x6 frozen
[ 1150.404656] ata4.00: irq_stat 0x08000008, interface fatal error
[ 1150.407870] ata4: SError: { RecovData Proto HostInt Handshk }
[ 1150.411095] ata4.00: failed command: READ FPDMA QUEUED
[ 1150.414383] ata4.00: cmd 60/40:38:40:54:44/00:00:53:00:00/40 tag 7 ncq dma 32768 in
                        res 40/00:40:00:55:44/00:00:53:00:00/40 Emask 0x52 (ATA bus error)
[ 1150.416190] ata4.00: status: { DRDY }
[ 1150.416967] ata4.00: failed command: READ FPDMA QUEUED
[ 1150.417747] ata4.00: cmd 60/80:40:00:55:44/00:00:53:00:00/40 tag 8 ncq dma 65536 in
                        res 40/00:40:00:55:44/00:00:53:00:00/40 Emask 0x52 (ATA bus error)
[ 1150.419316] ata4.00: status: { DRDY }
[ 1150.420083] ata4: hard resetting link
[ 1150.732231] ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[ 1150.733546] ata4.00: configured for UDMA/133
[ 1150.733557] sd 3:0:0:0: [sdd] tag#7 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
[ 1150.733560] sd 3:0:0:0: [sdd] tag#7 Sense Key : Illegal Request [current] 
[ 1150.733562] sd 3:0:0:0: [sdd] tag#7 Add. Sense: Unaligned write command
[ 1150.733565] sd 3:0:0:0: [sdd] tag#7 CDB: Read(16) 88 00 00 00 00 00 53 44 54 40 00 00 00 40 00 00
[ 1150.733567] blk_update_request: I/O error, dev sdd, sector 1396986944 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[ 1150.735120] sd 3:0:0:0: [sdd] tag#8 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
[ 1150.735122] sd 3:0:0:0: [sdd] tag#8 Sense Key : Illegal Request [current] 
[ 1150.735123] sd 3:0:0:0: [sdd] tag#8 Add. Sense: Unaligned write command
[ 1150.735125] sd 3:0:0:0: [sdd] tag#8 CDB: Read(16) 88 00 00 00 00 00 53 44 55 00 00 00 00 80 00 00
[ 1150.735127] blk_update_request: I/O error, dev sdd, sector 1396987136 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[ 1150.736651] ata4: EH complete
[ 1155.401430] ata4.00: exception Emask 0x52 SAct 0x80800000 SErr 0x400c01 action 0x6 frozen
[ 1155.404486] ata4.00: irq_stat 0x08000000, interface fatal error
[ 1155.407528] ata4: SError: { RecovData Proto HostInt Handshk }
[ 1155.410548] ata4.00: failed command: READ FPDMA QUEUED
[ 1155.411882] ata4.00: cmd 60/40:b8:40:55:e4/00:00:66:00:00/40 tag 23 ncq dma 32768 in
                        res 40/00:f8:00:56:e4/00:00:66:00:00/40 Emask 0x52 (ATA bus error)
[ 1155.414526] ata4.00: status: { DRDY }
[ 1155.415848] ata4.00: failed command: READ FPDMA QUEUED
[ 1155.417185] ata4.00: cmd 60/80:f8:00:56:e4/00:00:66:00:00/40 tag 31 ncq dma 65536 in
                        res 40/00:f8:00:56:e4/00:00:66:00:00/40 Emask 0x52 (ATA bus error)
[ 1155.419904] ata4.00: status: { DRDY }
[ 1155.421265] ata4: hard resetting link
[ 1155.736222] ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[ 1155.737557] ata4.00: configured for UDMA/133
[ 1155.737569] sd 3:0:0:0: [sdd] tag#23 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
[ 1155.737571] sd 3:0:0:0: [sdd] tag#23 Sense Key : Illegal Request [current] 
[ 1155.737574] sd 3:0:0:0: [sdd] tag#23 Add. Sense: Unaligned write command
[ 1155.737577] sd 3:0:0:0: [sdd] tag#23 CDB: Read(16) 88 00 00 00 00 00 66 e4 55 40 00 00 00 40 00 00
[ 1155.737580] blk_update_request: I/O error, dev sdd, sector 1726240064 op 0x0:(READ) flags 0x80700 phys_seg 2 prio class 0
[ 1155.739201] sd 3:0:0:0: [sdd] tag#31 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
[ 1155.739202] sd 3:0:0:0: [sdd] tag#31 Sense Key : Illegal Request [current] 
[ 1155.739204] sd 3:0:0:0: [sdd] tag#31 Add. Sense: Unaligned write command
[ 1155.739205] sd 3:0:0:0: [sdd] tag#31 CDB: Read(16) 88 00 00 00 00 00 66 e4 56 00 00 00 00 80 00 00
[ 1155.739207] blk_update_request: I/O error, dev sdd, sector 1726240256 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[ 1155.740801] ata4: EH complete
[ 1155.825384] ata4: limiting SATA link speed to 3.0 Gbps
[ 1155.825388] ata4.00: exception Emask 0x52 SAct 0x300000 SErr 0xc00 action 0x6 frozen
[ 1155.827501] ata4.00: irq_stat 0x08000000, interface fatal error
[ 1155.829637] ata4: SError: { Proto HostInt }
[ 1155.829640] ata4.00: failed command: READ FPDMA QUEUED
[ 1155.829645] ata4.00: cmd 60/40:a0:40:54:24/00:00:67:00:00/40 tag 20 ncq dma 32768 in
                        res 40/00:a8:00:55:24/00:00:67:00:00/40 Emask 0x52 (ATA bus error)
[ 1155.829646] ata4.00: status: { DRDY }
[ 1155.829648] ata4.00: failed command: READ FPDMA QUEUED
[ 1155.829652] ata4.00: cmd 60/80:a8:00:55:24/00:00:67:00:00/40 tag 21 ncq dma 65536 in
                        res 40/00:a8:00:55:24/00:00:67:00:00/40 Emask 0x52 (ATA bus error)
[ 1155.829653] ata4.00: status: { DRDY }
[ 1155.829656] ata4: hard resetting link
[ 1156.144287] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 320)
[ 1156.145684] ata4.00: configured for UDMA/133
[ 1156.145695] sd 3:0:0:0: [sdd] tag#20 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
[ 1156.145698] sd 3:0:0:0: [sdd] tag#20 Sense Key : Illegal Request [current] 
[ 1156.145700] sd 3:0:0:0: [sdd] tag#20 Add. Sense: Unaligned write command
[ 1156.145702] sd 3:0:0:0: [sdd] tag#20 CDB: Read(16) 88 00 00 00 00 00 67 24 54 40 00 00 00 40 00 00
[ 1156.145705] blk_update_request: I/O error, dev sdd, sector 1730434112 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[ 1156.147784] sd 3:0:0:0: [sdd] tag#21 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
[ 1156.147785] sd 3:0:0:0: [sdd] tag#21 Sense Key : Illegal Request [current] 
[ 1156.147787] sd 3:0:0:0: [sdd] tag#21 Add. Sense: Unaligned write command
[ 1156.147789] sd 3:0:0:0: [sdd] tag#21 CDB: Read(16) 88 00 00 00 00 00 67 24 55 00 00 00 00 80 00 00
[ 1156.147791] blk_update_request: I/O error, dev sdd, sector 1730434304 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
[ 1156.149854] ata4: EH complete
--------------------------------------------------

-- 
Does anybody read signatures any more?

https://charlescurley.com
https://charlescurley.com/blog/

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#247492

From"Andrew M.A. Cater" <amacater@einval.com>
Date2022-04-24 21:30 +0200
Message-ID<EfQ5H-aVOu-5@gated-at.bofh.it>
In reply to#247491
Hello Charles

On Sun, Apr 24, 2022 at 01:08:03PM -0600, Charles Curley wrote:
> I have three hard drives in a RAID 5 array. This morning my motherboard
> went wonky and crashed. USB devices on the motherboard are acting up. I
> cannot reboot to Debian. I can, however, boot to finnix 120. Using
> that, I have fscked all partitions, including the RAID array. I am
> running checksums, with no reported errors. So far, so good.
> 
> One drive, /dev/sdd, which has a partition which is a member of the RAID
> array, gave me some error messages on the console and copied to dmesg,
> reproduced below. It is a SATA drive, masquerading as as SCSI device. I
> ran a SMART short test which reported no errors.
> 
> Some quick grepping in syslog and syslog.1 showed no non-routine error
> messages for /dev/sdd.
> 
> Would someone who knows SCSI error messages better than I do please let
> me know if there are any problems with the drive.
> 
> --------------------------------------------------
> Lines not related to sdd removed.
> 
> [ 1124.317921] sd 3:0:0:0: [sdd] tag#5 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
> [ 1124.317925] sd 3:0:0:0: [sdd] tag#5 Sense Key : Illegal Request [current] 
> [ 1124.317928] sd 3:0:0:0: [sdd] tag#5 Add. Sense: Unaligned write command
> [ 1124.317932] sd 3:0:0:0: [sdd] tag#5 CDB: Read(16) 88 00 00 00 00 00 00 04 59 80 00 00 00 a0 00 00
> [ 1124.317936] blk_update_request: I/O error, dev sdd, sector 285056 op 0x0:(READ) flags 0x80700 phys_seg 5 prio class 0
> [ 1124.320088] ata4: EH complete
> [ 1150.401439] ata4.00: exception Emask 0x52 SAct 0x180 SErr 0x400c01 action 0x6 frozen
> [ 1150.404656] ata4.00: irq_stat 0x08000008, interface fatal error
> [ 1150.407870] ata4: SError: { RecovData Proto HostInt Handshk }
> [ 1150.411095] ata4.00: failed command: READ FPDMA QUEUED
> [ 1150.414383] ata4.00: cmd 60/40:38:40:54:44/00:00:53:00:00/40 tag 7 ncq dma 32768 in
>                         res 40/00:40:00:55:44/00:00:53:00:00/40 Emask 0x52 (ATA bus error)
> [ 1150.416190] ata4.00: status: { DRDY }
> [ 1150.416967] ata4.00: failed command: READ FPDMA QUEUED
> [ 1150.417747] ata4.00: cmd 60/80:40:00:55:44/00:00:53:00:00/40 tag 8 ncq dma 65536 in
>                         res 40/00:40:00:55:44/00:00:53:00:00/40 Emask 0x52 (ATA bus error)
> [ 1150.419316] ata4.00: status: { DRDY }
> [ 1150.420083] ata4: hard resetting link
> [ 1150.732231] ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
> [ 1150.733546] ata4.00: configured for UDMA/133
> --------------------------------------------------
> 

This does not look like a happy drive - failed requests, bus error { DRDY }

I'd call that dead, particularly since the drive keeps resetting to find the
speed.

I think it might be a bin it and hope you can find another from somewhere.

As others are always fond of telling me: RAID != backup :)

All the very best, as ever,

Andy Cater


> -- 
> Does anybody read signatures any more?
> 
> https://charlescurley.com
> https://charlescurley.com/blog/
> 

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#247496

FromDavid Christensen <dpchrist@holgerdanske.com>
Date2022-04-24 23:10 +0200
Message-ID<EfREt-aWUt-7@gated-at.bofh.it>
In reply to#247491
On 4/24/22 12:08, Charles Curley wrote:
> I have three hard drives in a RAID 5 array. This morning my motherboard
> went wonky and crashed. USB devices on the motherboard are acting up. I
> cannot reboot to Debian. I can, however, boot to finnix 120. Using
> that, I have fscked all partitions, including the RAID array. I am
> running checksums, with no reported errors. So far, so good.
> 
> One drive, /dev/sdd, which has a partition which is a member of the RAID
> array, gave me some error messages on the console and copied to dmesg,
> reproduced below. It is a SATA drive, masquerading as as SCSI device. I
> ran a SMART short test which reported no errors.
> 
> Some quick grepping in syslog and syslog.1 showed no non-routine error
> messages for /dev/sdd.
> 
> Would someone who knows SCSI error messages better than I do please let
> me know if there are any problems with the drive.
> 
> --------------------------------------------------
> Lines not related to sdd removed.
> ...
> [    2.075895] sd 3:0:0:0: [sdd] 7814037168 512-byte logical blocks: (4.00 TB/3.64 TiB)
> [    2.075897] sd 3:0:0:0: [sdd] 4096-byte physical blocks
> [    2.075904] sd 3:0:0:0: [sdd] Write Protect is off
> [    2.075906] sd 3:0:0:0: [sdd] Mode Sense: 00 3a 00 00
> [    2.075921] sd 3:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> 
> [    2.152206]  sdd: sdd1
> [    2.152720] sd 3:0:0:0: [sdd] Attached SCSI disk
> 
> [ 1124.317921] sd 3:0:0:0: [sdd] tag#5 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
> [ 1124.317925] sd 3:0:0:0: [sdd] tag#5 Sense Key : Illegal Request [current]
> [ 1124.317928] sd 3:0:0:0: [sdd] tag#5 Add. Sense: Unaligned write command
> [ 1124.317932] sd 3:0:0:0: [sdd] tag#5 CDB: Read(16) 88 00 00 00 00 00 00 04 59 80 00 00 00 a0 00 00
> [ 1124.317936] blk_update_request: I/O error, dev sdd, sector 285056 op 0x0:(READ) flags 0x80700 phys_seg 5 prio class 0
> [ 1124.320088] ata4: EH complete
> [ 1150.401439] ata4.00: exception Emask 0x52 SAct 0x180 SErr 0x400c01 action 0x6 frozen
> [ 1150.404656] ata4.00: irq_stat 0x08000008, interface fatal error
> [ 1150.407870] ata4: SError: { RecovData Proto HostInt Handshk }
> [ 1150.411095] ata4.00: failed command: READ FPDMA QUEUED
> [ 1150.414383] ata4.00: cmd 60/40:38:40:54:44/00:00:53:00:00/40 tag 7 ncq dma 32768 in
>                          res 40/00:40:00:55:44/00:00:53:00:00/40 Emask 0x52 (ATA bus error)
> [ 1150.416190] ata4.00: status: { DRDY }
> [ 1150.416967] ata4.00: failed command: READ FPDMA QUEUED
> [ 1150.417747] ata4.00: cmd 60/80:40:00:55:44/00:00:53:00:00/40 tag 8 ncq dma 65536 in
>                          res 40/00:40:00:55:44/00:00:53:00:00/40 Emask 0x52 (ATA bus error)
> [ 1150.419316] ata4.00: status: { DRDY }
> [ 1150.420083] ata4: hard resetting link
> [ 1150.732231] ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
> [ 1150.733546] ata4.00: configured for UDMA/133
> [ 1150.733557] sd 3:0:0:0: [sdd] tag#7 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
> [ 1150.733560] sd 3:0:0:0: [sdd] tag#7 Sense Key : Illegal Request [current]
> [ 1150.733562] sd 3:0:0:0: [sdd] tag#7 Add. Sense: Unaligned write command
> [ 1150.733565] sd 3:0:0:0: [sdd] tag#7 CDB: Read(16) 88 00 00 00 00 00 53 44 54 40 00 00 00 40 00 00
> [ 1150.733567] blk_update_request: I/O error, dev sdd, sector 1396986944 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
> [ 1150.735120] sd 3:0:0:0: [sdd] tag#8 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
> [ 1150.735122] sd 3:0:0:0: [sdd] tag#8 Sense Key : Illegal Request [current]
> [ 1150.735123] sd 3:0:0:0: [sdd] tag#8 Add. Sense: Unaligned write command
> [ 1150.735125] sd 3:0:0:0: [sdd] tag#8 CDB: Read(16) 88 00 00 00 00 00 53 44 55 00 00 00 00 80 00 00
> [ 1150.735127] blk_update_request: I/O error, dev sdd, sector 1396987136 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
> [ 1150.736651] ata4: EH complete
> [ 1155.401430] ata4.00: exception Emask 0x52 SAct 0x80800000 SErr 0x400c01 action 0x6 frozen
> [ 1155.404486] ata4.00: irq_stat 0x08000000, interface fatal error
> [ 1155.407528] ata4: SError: { RecovData Proto HostInt Handshk }
> [ 1155.410548] ata4.00: failed command: READ FPDMA QUEUED
> [ 1155.411882] ata4.00: cmd 60/40:b8:40:55:e4/00:00:66:00:00/40 tag 23 ncq dma 32768 in
>                          res 40/00:f8:00:56:e4/00:00:66:00:00/40 Emask 0x52 (ATA bus error)
> [ 1155.414526] ata4.00: status: { DRDY }
> [ 1155.415848] ata4.00: failed command: READ FPDMA QUEUED
> [ 1155.417185] ata4.00: cmd 60/80:f8:00:56:e4/00:00:66:00:00/40 tag 31 ncq dma 65536 in
>                          res 40/00:f8:00:56:e4/00:00:66:00:00/40 Emask 0x52 (ATA bus error)
> [ 1155.419904] ata4.00: status: { DRDY }
> [ 1155.421265] ata4: hard resetting link
> [ 1155.736222] ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
> [ 1155.737557] ata4.00: configured for UDMA/133
> [ 1155.737569] sd 3:0:0:0: [sdd] tag#23 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
> [ 1155.737571] sd 3:0:0:0: [sdd] tag#23 Sense Key : Illegal Request [current]
> [ 1155.737574] sd 3:0:0:0: [sdd] tag#23 Add. Sense: Unaligned write command
> [ 1155.737577] sd 3:0:0:0: [sdd] tag#23 CDB: Read(16) 88 00 00 00 00 00 66 e4 55 40 00 00 00 40 00 00
> [ 1155.737580] blk_update_request: I/O error, dev sdd, sector 1726240064 op 0x0:(READ) flags 0x80700 phys_seg 2 prio class 0
> [ 1155.739201] sd 3:0:0:0: [sdd] tag#31 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
> [ 1155.739202] sd 3:0:0:0: [sdd] tag#31 Sense Key : Illegal Request [current]
> [ 1155.739204] sd 3:0:0:0: [sdd] tag#31 Add. Sense: Unaligned write command
> [ 1155.739205] sd 3:0:0:0: [sdd] tag#31 CDB: Read(16) 88 00 00 00 00 00 66 e4 56 00 00 00 00 80 00 00
> [ 1155.739207] blk_update_request: I/O error, dev sdd, sector 1726240256 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
> [ 1155.740801] ata4: EH complete
> [ 1155.825384] ata4: limiting SATA link speed to 3.0 Gbps
> [ 1155.825388] ata4.00: exception Emask 0x52 SAct 0x300000 SErr 0xc00 action 0x6 frozen
> [ 1155.827501] ata4.00: irq_stat 0x08000000, interface fatal error
> [ 1155.829637] ata4: SError: { Proto HostInt }
> [ 1155.829640] ata4.00: failed command: READ FPDMA QUEUED
> [ 1155.829645] ata4.00: cmd 60/40:a0:40:54:24/00:00:67:00:00/40 tag 20 ncq dma 32768 in
>                          res 40/00:a8:00:55:24/00:00:67:00:00/40 Emask 0x52 (ATA bus error)
> [ 1155.829646] ata4.00: status: { DRDY }
> [ 1155.829648] ata4.00: failed command: READ FPDMA QUEUED
> [ 1155.829652] ata4.00: cmd 60/80:a8:00:55:24/00:00:67:00:00/40 tag 21 ncq dma 65536 in
>                          res 40/00:a8:00:55:24/00:00:67:00:00/40 Emask 0x52 (ATA bus error)
> [ 1155.829653] ata4.00: status: { DRDY }
> [ 1155.829656] ata4: hard resetting link
> [ 1156.144287] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 320)
> [ 1156.145684] ata4.00: configured for UDMA/133
> [ 1156.145695] sd 3:0:0:0: [sdd] tag#20 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
> [ 1156.145698] sd 3:0:0:0: [sdd] tag#20 Sense Key : Illegal Request [current]
> [ 1156.145700] sd 3:0:0:0: [sdd] tag#20 Add. Sense: Unaligned write command
> [ 1156.145702] sd 3:0:0:0: [sdd] tag#20 CDB: Read(16) 88 00 00 00 00 00 67 24 54 40 00 00 00 40 00 00
> [ 1156.145705] blk_update_request: I/O error, dev sdd, sector 1730434112 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
> [ 1156.147784] sd 3:0:0:0: [sdd] tag#21 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
> [ 1156.147785] sd 3:0:0:0: [sdd] tag#21 Sense Key : Illegal Request [current]
> [ 1156.147787] sd 3:0:0:0: [sdd] tag#21 Add. Sense: Unaligned write command
> [ 1156.147789] sd 3:0:0:0: [sdd] tag#21 CDB: Read(16) 88 00 00 00 00 00 67 24 55 00 00 00 00 80 00 00
> [ 1156.147791] blk_update_request: I/O error, dev sdd, sector 1730434304 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
> [ 1156.149854] ata4: EH complete
> --------------------------------------------------


What is the make and model of your motherboard?  RAID HDD's?


How is the motherboard connected to the HDD's?


Please post the output of (redact serial number, etc., as desired):

# smartctl -x /dev/sdd


David

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#247499

FromCharles Curley <charlescurley@charlescurley.com>
Date2022-04-25 00:40 +0200
Message-ID<EfT3z-aXDi-7@gated-at.bofh.it>
In reply to#247496
On Sun, 24 Apr 2022 14:07:14 -0700
David Christensen <dpchrist@holgerdanske.com> wrote:

> On 4/24/22 12:08, Charles Curley wrote:
> > I have three hard drives in a RAID 5 array.
> 
> 
> What is the make and model of your motherboard?  RAID HDD's?

ASUS H97M-E


> 
> 
> How is the motherboard connected to the HDD's?

SATA. All hdds are on the motherboard, and the DVD drive is connected
via an expansion card:

04:00.0 SATA controller: JMicron Technology Corp. Device 0585 (prog-if 01 [AHCI 1.0])
	Subsystem: JMicron Technology Corp. Device 0000
	Flags: bus master, fast devsel, latency 0, IRQ 31
	I/O ports at d200 [size=128]
	I/O ports at d180 [size=128]
	I/O ports at d100 [size=128]
	I/O ports at d080 [size=128]
	I/O ports at d000 [size=128]
	Memory at f7c10000 (32-bit, non-prefetchable) [size=8K]
	Expansion ROM at f7c00000 [disabled] [size=64K]
	Capabilities: [80] Power Management version 3
	Capabilities: [90] MSI: Enable+ Count=1/8 Maskable- 64bit+
	Capabilities: [c0] Express Legacy Endpoint, MSI 00
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [150] Device Serial Number 00-00-00-00-00-00-00-00
	Capabilities: [160] Power Budgeting <?>
	Capabilities: [1b8] Latency Tolerance Reporting
	Capabilities: [300] Secondary PCI Express
	Capabilities: [900] L1 PM Substates
	Kernel driver in use: ahci
	Kernel modules: ahci

> 
> 
> Please post the output of (redact serial number, etc., as desired):
> 
> # smartctl -x /dev/sdd

I did the short test at 12651 hours today after the error messages I
gave in the last email.


smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.7.0-2-amd64] (local build)
Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Western Digital Red
Device Model:     WDC WD40EFRX-68N32N0
Serial Number:    WD-<redacted>
LU WWN Device Id: 5 0014ee 2bda92107
Firmware Version: 82.00A82
User Capacity:    4,000,787,030,016 bytes [4.00 TB]
Sector Sizes:     512 bytes logical, 4096 bytes physical
Rotation Rate:    5400 rpm
Form Factor:      3.5 inches
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ACS-3 T13/2161-D revision 5
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Sun Apr 24 22:08:57 2022 UTC
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
AAM feature is:   Unavailable
APM feature is:   Unavailable
Rd look-ahead is: Enabled
Write cache is:   Enabled
DSN feature is:   Unavailable
ATA Security is:  Disabled, frozen [SEC2]
Wt Cache Reorder: Enabled

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status:  (0x82)	Offline data collection activity
					was completed without error.
					Auto Offline Data Collection: Enabled.
Self-test execution status:      (   0)	The previous self-test routine completed
					without error or no self-test has ever 
					been run.
Total time to complete Offline 
data collection: 		(43680) seconds.
Offline data collection
capabilities: 			 (0x7b) SMART execute Offline immediate.
					Auto Offline data collection on/off support.
					Suspend Offline collection upon new
					command.
					Offline surface scan supported.
					Self-test supported.
					Conveyance Self-test supported.
					Selective Self-test supported.
SMART capabilities:            (0x0003)	Saves SMART data before entering
					power-saving mode.
					Supports SMART auto save timer.
Error logging capability:        (0x01)	Error logging supported.
					General Purpose Logging supported.
Short self-test routine 
recommended polling time: 	 (   2) minutes.
Extended self-test routine
recommended polling time: 	 ( 463) minutes.
Conveyance self-test routine
recommended polling time: 	 (   5) minutes.
SCT capabilities: 	       (0x303d)	SCT Status supported.
					SCT Error Recovery Control supported.
					SCT Feature Control supported.
					SCT Data Table supported.

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAGS    VALUE WORST THRESH FAIL RAW_VALUE
  1 Raw_Read_Error_Rate     POSR-K   200   200   051    -    0
  3 Spin_Up_Time            POS--K   168   166   021    -    6583
  4 Start_Stop_Count        -O--CK   100   100   000    -    41
  5 Reallocated_Sector_Ct   PO--CK   200   200   140    -    0
  7 Seek_Error_Rate         -OSR-K   100   253   000    -    0
  9 Power_On_Hours          -O--CK   083   083   000    -    12653
 10 Spin_Retry_Count        -O--CK   100   253   000    -    0
 11 Calibration_Retry_Count -O--CK   100   253   000    -    0
 12 Power_Cycle_Count       -O--CK   100   100   000    -    41
192 Power-Off_Retract_Count -O--CK   200   200   000    -    13
193 Load_Cycle_Count        -O--CK   198   198   000    -    7905
194 Temperature_Celsius     -O---K   125   108   000    -    25
196 Reallocated_Event_Count -O--CK   200   200   000    -    0
197 Current_Pending_Sector  -O--CK   200   200   000    -    0
198 Offline_Uncorrectable   ----CK   200   200   000    -    0
199 UDMA_CRC_Error_Count    -O--CK   200   200   000    -    0
200 Multi_Zone_Error_Rate   ---R--   200   200   000    -    0
                            ||||||_ K auto-keep
                            |||||__ C event count
                            ||||___ R error rate
                            |||____ S speed/performance
                            ||_____ O updated online
                            |______ P prefailure warning

General Purpose Log Directory Version 1
SMART           Log Directory Version 1 [multi-sector log support]
Address    Access  R/W   Size  Description
0x00       GPL,SL  R/O      1  Log Directory
0x01           SL  R/O      1  Summary SMART error log
0x02           SL  R/O      5  Comprehensive SMART error log
0x03       GPL     R/O      6  Ext. Comprehensive SMART error log
0x04       GPL,SL  R/O      8  Device Statistics log
0x06           SL  R/O      1  SMART self-test log
0x07       GPL     R/O      1  Extended self-test log
0x09           SL  R/W      1  Selective self-test log
0x10       GPL     R/O      1  NCQ Command Error log
0x11       GPL     R/O      1  SATA Phy Event Counters log
0x30       GPL,SL  R/O      9  IDENTIFY DEVICE data log
0x80-0x9f  GPL,SL  R/W     16  Host vendor specific log
0xa0-0xa7  GPL,SL  VS      16  Device vendor specific log
0xa8-0xb6  GPL,SL  VS       1  Device vendor specific log
0xb7       GPL,SL  VS      56  Device vendor specific log
0xbd       GPL,SL  VS       1  Device vendor specific log
0xc0       GPL,SL  VS       1  Device vendor specific log
0xc1       GPL     VS      93  Device vendor specific log
0xe0       GPL,SL  R/W      1  SCT Command/Status
0xe1       GPL,SL  R/W      1  SCT Data Transfer

SMART Extended Comprehensive Error Log Version: 1 (6 sectors)
No Errors Logged

SMART Extended Self-test Log Version: 1 (1 sectors)
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Short offline       Completed without error       00%     12651         -
# 2  Extended offline    Completed without error       00%     10026         -
# 3  Extended offline    Completed without error       00%         7         -
# 4  Short offline       Completed without error       00%         0         -

SMART Selective self-test log data structure revision number 1
 SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
    1        0        0  Not_testing
    2        0        0  Not_testing
    3        0        0  Not_testing
    4        0        0  Not_testing
    5        0        0  Not_testing
Selective self-test flags (0x0):
  After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.

SCT Status Version:                  3
SCT Version (vendor specific):       258 (0x0102)
Device State:                        Active (0)
Current Temperature:                    25 Celsius
Power Cycle Min/Max Temperature:     22/25 Celsius
Lifetime    Min/Max Temperature:     19/42 Celsius
Under/Over Temperature Limit Count:   0/0
Vendor specific:
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

SCT Temperature History Version:     2
Temperature Sampling Period:         1 minute
Temperature Logging Interval:        1 minute
Min/Max recommended Temperature:      0/65 Celsius
Min/Max Temperature Limit:           -41/85 Celsius
Temperature History Size (Index):    478 (47)

Index    Estimated Time   Temperature Celsius
  48    2022-04-24 14:11    36  *****************
 ...    ..( 13 skipped).    ..  *****************
  62    2022-04-24 14:25    36  *****************
  63    2022-04-24 14:26    35  ****************
 ...    ..( 11 skipped).    ..  ****************
  75    2022-04-24 14:38    35  ****************
  76    2022-04-24 14:39    34  ***************
 ...    ..( 17 skipped).    ..  ***************
  94    2022-04-24 14:57    34  ***************
  95    2022-04-24 14:58    33  **************
 ...    ..( 10 skipped).    ..  **************
 106    2022-04-24 15:09    33  **************
 107    2022-04-24 15:10     ?  -
 108    2022-04-24 15:11    22  ***
 ...    ..(  2 skipped).    ..  ***
 111    2022-04-24 15:14    22  ***
 112    2022-04-24 15:15    23  ****
 113    2022-04-24 15:16    23  ****
 114    2022-04-24 15:17    23  ****
 115    2022-04-24 15:18    24  *****
 116    2022-04-24 15:19    24  *****
 117    2022-04-24 15:20    24  *****
 118    2022-04-24 15:21    25  ******
 119    2022-04-24 15:22    25  ******
 120    2022-04-24 15:23    30  ***********
 ...    ..(130 skipped).    ..  ***********
 251    2022-04-24 17:34    30  ***********
 252    2022-04-24 17:35    31  ************
 ...    ..( 21 skipped).    ..  ************
 274    2022-04-24 17:57    31  ************
 275    2022-04-24 17:58    32  *************
 ...    ..( 15 skipped).    ..  *************
 291    2022-04-24 18:14    32  *************
 292    2022-04-24 18:15    33  **************
 ...    ..( 32 skipped).    ..  **************
 325    2022-04-24 18:48    33  **************
 326    2022-04-24 18:49    32  *************
 ...    ..( 12 skipped).    ..  *************
 339    2022-04-24 19:02    32  *************
 340    2022-04-24 19:03    33  **************
 ...    ..(  7 skipped).    ..  **************
 348    2022-04-24 19:11    33  **************
 349    2022-04-24 19:12    32  *************
 ...    ..( 29 skipped).    ..  *************
 379    2022-04-24 19:42    32  *************
 380    2022-04-24 19:43    31  ************
 ...    ..( 19 skipped).    ..  ************
 400    2022-04-24 20:03    31  ************
 401    2022-04-24 20:04    32  *************
 402    2022-04-24 20:05     ?  -
 403    2022-04-24 20:06    32  *************
 ...    ..(  8 skipped).    ..  *************
 412    2022-04-24 20:15    32  *************
 413    2022-04-24 20:16    33  **************
 414    2022-04-24 20:17    33  **************
 415    2022-04-24 20:18     ?  -
 416    2022-04-24 20:19    31  ************
 417    2022-04-24 20:20    31  ************
 418    2022-04-24 20:21    31  ************
 419    2022-04-24 20:22     ?  -
 420    2022-04-24 20:23    29  **********
 421    2022-04-24 20:24     ?  -
 422    2022-04-24 20:25    29  **********
 ...    ..(  4 skipped).    ..  **********
 427    2022-04-24 20:30    29  **********
 428    2022-04-24 20:31    30  ***********
 ...    ..(  7 skipped).    ..  ***********
 436    2022-04-24 20:39    30  ***********
 437    2022-04-24 20:40    31  ************
 ...    ..(  3 skipped).    ..  ************
 441    2022-04-24 20:44    31  ************
 442    2022-04-24 20:45    32  *************
 ...    ..(  5 skipped).    ..  *************
 448    2022-04-24 20:51    32  *************
 449    2022-04-24 20:52    33  **************
 ...    ..( 43 skipped).    ..  **************
  15    2022-04-24 21:36    33  **************
  16    2022-04-24 21:37    34  ***************
 ...    ..( 16 skipped).    ..  ***************
  33    2022-04-24 21:54    34  ***************
  34    2022-04-24 21:55    35  ****************
 ...    ..(  8 skipped).    ..  ****************
  43    2022-04-24 22:04    35  ****************
  44    2022-04-24 22:05    36  *****************
 ...    ..(  2 skipped).    ..  *****************
  47    2022-04-24 22:08    36  *****************

SCT Error Recovery Control:
           Read:     70 (7.0 seconds)
          Write:     70 (7.0 seconds)

Device Statistics (GP Log 0x04)
Page  Offset Size        Value Flags Description
0x01  =====  =               =  ===  == General Statistics (rev 1) ==
0x01  0x008  4              41  ---  Lifetime Power-On Resets
0x01  0x010  4           12653  ---  Power-on Hours
0x01  0x018  6     55709780708  ---  Logical Sectors Written
0x01  0x020  6       103013781  ---  Number of Write Commands
0x01  0x028  6    232196296506  ---  Logical Sectors Read
0x01  0x030  6      1070400071  ---  Number of Read Commands
0x01  0x038  6      2601127040  ---  Date and Time TimeStamp
0x03  =====  =               =  ===  == Rotating Media Statistics (rev 1) ==
0x03  0x008  4           12634  ---  Spindle Motor Power-on Hours
0x03  0x010  4            2345  ---  Head Flying Hours
0x03  0x018  4            7919  ---  Head Load Events
0x03  0x020  4               0  ---  Number of Reallocated Logical Sectors
0x03  0x028  4               1  ---  Read Recovery Attempts
0x03  0x030  4               0  ---  Number of Mechanical Start Failures
0x03  0x038  4               0  ---  Number of Realloc. Candidate Logical Sectors
0x03  0x040  4              13  ---  Number of High Priority Unload Events
0x04  =====  =               =  ===  == General Errors Statistics (rev 1) ==
0x04  0x008  4               0  ---  Number of Reported Uncorrectable Errors
0x04  0x010  4               7  ---  Resets Between Cmd Acceptance and Completion
0x05  =====  =               =  ===  == Temperature Statistics (rev 1) ==
0x05  0x008  1              25  ---  Current Temperature
0x05  0x010  1              31  ---  Average Short Term Temperature
0x05  0x018  1              31  ---  Average Long Term Temperature
0x05  0x020  1              42  ---  Highest Temperature
0x05  0x028  1              23  ---  Lowest Temperature
0x05  0x030  1              38  ---  Highest Average Short Term Temperature
0x05  0x038  1              27  ---  Lowest Average Short Term Temperature
0x05  0x040  1              34  ---  Highest Average Long Term Temperature
0x05  0x048  1              28  ---  Lowest Average Long Term Temperature
0x05  0x050  4               0  ---  Time in Over-Temperature
0x05  0x058  1              65  ---  Specified Maximum Operating Temperature
0x05  0x060  4               0  ---  Time in Under-Temperature
0x05  0x068  1               0  ---  Specified Minimum Operating Temperature
0x06  =====  =               =  ===  == Transport Statistics (rev 1) ==
0x06  0x008  4             271  ---  Number of Hardware Resets
0x06  0x010  4             138  ---  Number of ASR Events
0x06  0x018  4               0  ---  Number of Interface CRC Errors
                                |||_ C monitored condition met
                                ||__ D supports DSN
                                |___ N normalized value

Pending Defects log (GP Log 0x0c) not supported

SATA Phy Event Counters (GP Log 0x11)
ID      Size     Value  Description
0x0001  2            0  Command failed due to ICRC error
0x0002  2            0  R_ERR response for data FIS
0x0003  2            0  R_ERR response for device-to-host data FIS
0x0004  2            0  R_ERR response for host-to-device data FIS
0x0005  2            0  R_ERR response for non-data FIS
0x0006  2            0  R_ERR response for device-to-host non-data FIS
0x0007  2            0  R_ERR response for host-to-device non-data FIS
0x0008  2            0  Device-to-host non-data FIS retries
0x0009  2            3  Transition from drive PhyRdy to drive PhyNRdy
0x000a  2            4  Device-to-host register FISes sent due to a COMRESET
0x000b  2            0  CRC errors within host-to-device FIS
0x000d  2            0  Non-CRC errors within host-to-device FIS
0x000f  2            0  R_ERR response for host-to-device data FIS, CRC
0x0012  2            0  R_ERR response for host-to-device non-data FIS, CRC
0x8000  4          706  Vendor specific


-- 
Does anybody read signatures any more?

https://charlescurley.com
https://charlescurley.com/blog/

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#247509

FromDavid Christensen <dpchrist@holgerdanske.com>
Date2022-04-25 07:50 +0200
Message-ID<EfZLH-b1Hi-7@gated-at.bofh.it>
In reply to#247499
On 4/24/22 15:37, Charles Curley wrote:
> On Sun, 24 Apr 2022 14:07:14 -0700
> David Christensen <dpchrist@holgerdanske.com> wrote:
> 
>> On 4/24/22 12:08, Charles Curley wrote:
>>> I have three hard drives in a RAID 5 array.
>>
>>
>> What is the make and model of your motherboard?  
>
> ASUS H97M-E


I'd call that a multimedia desktop board:

https://www.asus.com/us/supportonly/H97M-E/HelpDesk_Manual/


My experience with ASUS motherboards is limited to one, and it died 
sometime after I shorted the power supply with a 2.5" IDE HDD cable 
adapter.  (So, the motherboard death was likely to be related.)


>> RAID HDD's?


I will assume all three HDD's are the same make and model, per 
smartctl(8) report below.


>> How is the motherboard connected to the HDD's?
> 
> SATA. All hdds are on the motherboard, 


What is on the other ports -- /dev/sda is optical?  /dev/sdb and 
/dev/sdc are other two HDD's?


SATA cables -- Color?  Locking or non-locking connectors?    Came with 
motherboard or aftermarket?  If the latter, make and model?


> and the DVD drive is connected via an expansion card:


Okay.


>> Please post the output of (redact serial number, etc., as desired):
>>
>> # smartctl -x /dev/sdd
> 
> I did the short test at 12651 hours today after the error messages I
> gave in the last email.
> 
> 
> smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.7.0-2-amd64] (local build)
> Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org
> 
> === START OF INFORMATION SECTION ===
> Model Family:     Western Digital Red
> Device Model:     WDC WD40EFRX-68N32N0


Western Digital Red Plus NAS hard drive:

https://www.westerndigital.com/products/internal-drives/wd-red-plus-sata-3-5-hdd#WD10EFRX


> SMART Extended Self-test Log Version: 1 (1 sectors)
> Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
> # 1  Short offline       Completed without error       00%     12651         -
> # 2  Extended offline    Completed without error       00%     10026         -


You ran a short test two hours ago.  You ran a long test 3 to 4 months ago.


Please save all current SMART report(s).


Please run long tests now on all three drives.  Save all of the reports. 
  Post the report(s) for any drive(s) with SMART failures and/or 
dmesg(1) errors.


On 4/24/22 12:08, Charles Curley wrote:
 > I have three hard drives in a RAID 5 array. This morning my motherboard
 > went wonky and crashed. USB devices on the motherboard are acting up. I
 > cannot reboot to Debian.


What were the symptoms?  Any more clues since then?


So, Debian on the RAID 5?


Anything in the M.2 socket?


Do you have a power supply tester?  If so, does the PSU test okay?  If 
not, get one -- bad PSU's can cause all kinds of malfunctions, and can 
destroy hardware.


Have you run memtest86+?


David

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#247524

FromCharles Curley <charlescurley@charlescurley.com>
Date2022-04-25 17:40 +0200
Message-ID<Eg8YF-b7Bm-9@gated-at.bofh.it>
In reply to#247509
On Sun, 24 Apr 2022 22:47:50 -0700
David Christensen <dpchrist@holgerdanske.com> wrote:

> I will assume all three HDD's are the same make and model, per 
> smartctl(8) report below.

Nope. Two WD Reds, as the report indicates, but not bought at the same
time so likely to be different in detail. One Seagate Ironwolf.

> >> How is the motherboard connected to the HDD's?  
> > 
> > SATA. All hdds are on the motherboard,   
> 
> 
> What is on the other ports -- /dev/sda is optical?  /dev/sdb and 
> /dev/sdc are other two HDD's?

Debian and finnix see things differently. On both. sdc and sdd are part
of the RAID array. On Debian, sda is the system drive: /, /home, /etc,
swap, /boot, etc.. sdb is part of the RAID array. Finnix swaps those
two.

> 
> 
> SATA cables -- Color?  Locking or non-locking connectors?    Came
> with motherboard or aftermarket?  If the latter, make and model?

All black, two red. The black ones came with the computer. The red ones
are aftermarket, Alchemy SATA3 30 cm. BFA-MSC-SATA330RK-RP. All lock.


> Please run long tests now on all three drives.  Save all of the
> reports. Post the report(s) for any drive(s) with SMART failures
> and/or dmesg(1) errors.

Long tests run about 10 hours. I did one overnight on sdd, and it
reported no errors. No dmesg errors sine the ones I reported in the
original email.

--------------------------------------------------
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.7.0-2-amd64] (local build)
Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Western Digital Red
Device Model:     WDC WD40EFRX-68N32N0
Serial Number:    WD-<redacted>
LU WWN Device Id: 5 0014ee 2bda92107
Firmware Version: 82.00A82
User Capacity:    4,000,787,030,016 bytes [4.00 TB]
Sector Sizes:     512 bytes logical, 4096 bytes physical
Rotation Rate:    5400 rpm
Form Factor:      3.5 inches
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ACS-3 T13/2161-D revision 5
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Mon Apr 25 15:02:26 2022 UTC
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status:  (0x82)	Offline data collection activity
					was completed without error.
					Auto Offline Data Collection: Enabled.
Self-test execution status:      (   0)	The previous self-test routine completed
					without error or no self-test has ever 
					been run.
Total time to complete Offline 
data collection: 		(43680) seconds.
Offline data collection
capabilities: 			 (0x7b) SMART execute Offline immediate.
					Auto Offline data collection on/off support.
					Suspend Offline collection upon new
					command.
					Offline surface scan supported.
					Self-test supported.
					Conveyance Self-test supported.
					Selective Self-test supported.
SMART capabilities:            (0x0003)	Saves SMART data before entering
					power-saving mode.
					Supports SMART auto save timer.
Error logging capability:        (0x01)	Error logging supported.
					General Purpose Logging supported.
Short self-test routine 
recommended polling time: 	 (   2) minutes.
Extended self-test routine
recommended polling time: 	 ( 463) minutes.
Conveyance self-test routine
recommended polling time: 	 (   5) minutes.
SCT capabilities: 	       (0x303d)	SCT Status supported.
					SCT Error Recovery Control supported.
					SCT Feature Control supported.
					SCT Data Table supported.

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x002f   200   200   051    Pre-fail  Always       -       0
  3 Spin_Up_Time            0x0027   168   166   021    Pre-fail  Always       -       6583
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       41
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002e   200   200   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0032   083   083   000    Old_age   Always       -       12670
 10 Spin_Retry_Count        0x0032   100   253   000    Old_age   Always       -       0
 11 Calibration_Retry_Count 0x0032   100   253   000    Old_age   Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       41
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       13
193 Load_Cycle_Count        0x0032   198   198   000    Old_age   Always       -       7908
194 Temperature_Celsius     0x0022   119   108   000    Old_age   Always       -       31
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0030   200   200   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age   Offline      -       0

SMART Error Log Version: 1
No Errors Logged

SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%     12661         -
# 2  Short offline       Completed without error       00%     12651         -
# 3  Extended offline    Completed without error       00%     10026         -
# 4  Extended offline    Completed without error       00%         7         -
# 5  Short offline       Completed without error       00%         0         -

SMART Selective self-test log data structure revision number 1
 SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
    1        0        0  Not_testing
    2        0        0  Not_testing
    3        0        0  Not_testing
    4        0        0  Not_testing
    5        0        0  Not_testing
Selective self-test flags (0x0):
  After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.


--------------------------------------------------

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#247501

FromCharles Curley <charlescurley@charlescurley.com>
Date2022-04-25 02:20 +0200
Message-ID<EfUCl-aYEy-3@gated-at.bofh.it>
In reply to#247491
On Sun, 24 Apr 2022 13:08:03 -0600
Charles Curley <charlescurley@charlescurley.com> wrote:

> I have three hard drives in a RAID 5 array.

RAID has not yet failed the errant drive. Just now, via ssh into finnix:

root@0:~# cat /proc/mdstat 
Personalities : [raid6] [raid5] [raid4] [linear] [multipath] [raid0] [raid1] [raid10] 
md127 : active (auto-read-only) raid5 sda1[3] sdc1[0] sdd1[1]
      7813768832 blocks super 1.2 level 5, 64k chunk, algorithm 2 [3/3] [UUU]
      bitmap: 0/30 pages [0KB], 65536KB chunk

unused devices: <none>
root@0:~# 



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#247510

FromDavid Christensen <dpchrist@holgerdanske.com>
Date2022-04-25 08:00 +0200
Message-ID<EfZVn-b1Kn-1@gated-at.bofh.it>
In reply to#247501
On 4/24/22 17:10, Charles Curley wrote:
> On Sun, 24 Apr 2022 13:08:03 -0600
> Charles Curley <charlescurley@charlescurley.com> wrote:
> 
>> I have three hard drives in a RAID 5 array.
> 
> RAID has not yet failed the errant drive. Just now, via ssh into finnix:
> 
> root@0:~# cat /proc/mdstat
> Personalities : [raid6] [raid5] [raid4] [linear] [multipath] [raid0] [raid1] [raid10]
> md127 : active (auto-read-only) raid5 sda1[3] sdc1[0] sdd1[1]
>        7813768832 blocks super 1.2 level 5, 64k chunk, algorithm 2 [3/3] [UUU]
>        bitmap: 0/30 pages [0KB], 65536KB chunk
> 
> unused devices: <none>


Okay.


So, RAID 5 HDD's are sda, sdc, and sdd, and optical is sdb?


You do have a backup of your Debian system configuration files and your 
data, right?


David

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#247519

FromCharles Curley <charlescurley@charlescurley.com>
Date2022-04-25 16:20 +0200
Message-ID<Eg7Jf-b6TA-9@gated-at.bofh.it>
In reply to#247510
On Sun, 24 Apr 2022 22:52:15 -0700
David Christensen <dpchrist@holgerdanske.com> wrote:

> So, RAID 5 HDD's are sda, sdc, and sdd, and optical is sdb?

Optical is sr0. sda is an SSD with all the system, /home, etc. md0 is
mounted at /crc.

> 
> 
> You do have a backup of your Debian system configuration files and
> your data, right?

Lots of them.
https://charlescurley.com/blog/posts/2019/Nov/02/backups-on-linux/


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#247551

FromDavid Christensen <dpchrist@holgerdanske.com>
Date2022-04-26 00:00 +0200
Message-ID<EgeUp-bb7O-9@gated-at.bofh.it>
In reply to#247519
On 4/25/22 07:18, Charles Curley wrote:
> On Sun, 24 Apr 2022 22:52:15 -0700
> David Christensen <dpchrist@holgerdanske.com> wrote:
> 
>> So, RAID 5 HDD's are sda, sdc, and sdd, and optical is sdb?
> 
> Optical is sr0. 


Interesting.  (Must be the SATA controller expansion card?)


> sda is an SSD with all the system, /home, etc. 


Good.


I would run a long SMART test on it now.


> md0 is
> mounted at /crc.


Okay.


>> You do have a backup of your Debian system configuration files and
>> your data, right?
> 
> Lots of them.
> https://charlescurley.com/blog/posts/2019/Nov/02/backups-on-linux/


Good.


On 4/25/22 08:33, Charles Curley wrote:
 > On Sun, 24 Apr 2022 22:47:50 -0700
 > David Christensen <dpchrist@holgerdanske.com> wrote:
 >
 >> I will assume all three HDD's are the same make and model, per
 >> smartctl(8) report below.
 >
 > Nope. Two WD Reds, as the report indicates, but not bought at the same
 > time so likely to be different in detail. One Seagate Ironwolf.


Okay.


 >>>> How is the motherboard connected to the HDD's?

 > Debian and finnix see things differently. On both. sdc and sdd are part
 > of the RAID array. On Debian, sda is the system drive: /, /home, /etc,
 > swap, /boot, etc.. sdb is part of the RAID array. Finnix swaps those
 > two.


Okay.


Rather than a Live Linux distribution for troubleshooting, I install 
Debian onto a USB flash drive (SanDisk Ultra Fit USB 3.0 16 GB).   I 
keep it updated/ upgraded, and install whatever tools I want.  You might 
want to make one that matches your Debian instance -- that should 
eliminate the device enumeration differences.


 >> SATA cables -- Color?  Locking or non-locking connectors?    Came
 >> with motherboard or aftermarket?  If the latter, make and model?
 >
 > All black, two red. The black ones came with the computer. The red ones
 > are aftermarket, Alchemy SATA3 30 cm. BFA-MSC-SATA330RK-RP. All lock.


https://www.frozencpu.com/products/14060/cab-572/Bitfenix_Alchemy_Multisleeve_SATA_30_Cable_-_30cm_-_Red_BFA-MSC-SATA330RK-RP.html


Those Alchemy SATA cables look good.  Assuming you like them, I would 
replace the factory cables with new Alchemy cables.


 >> Please run long tests now on all three drives.  Save all of the
 >> reports. Post the report(s) for any drive(s) with SMART failures
 >> and/or dmesg(1) errors.
 >
 > Long tests run about 10 hours. I did one overnight on sdd, and it
 > reported no errors. No dmesg errors sine the ones I reported in the
 > original email.


I launch SMART tests on all of the drives at the same time.  The 
microcontroller in each drive runs the test for that drive 
independently, so it is okay to run all the tests concurrently.


 > smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.7.0-2-amd64] (local build)
 > Copyright (C) 2002-19, Bruce Allen, Christian Franke, 
www.smartmontools.org
 >
 > === START OF INFORMATION SECTION ===
 > Model Family:     Western Digital Red
 > Device Model:     WDC WD40EFRX-68N32N0
 > Serial Number:    WD-<redacted>
 > LU WWN Device Id: 5 0014ee 2bda92107
 > Firmware Version: 82.00A82
 > User Capacity:    4,000,787,030,016 bytes [4.00 TB]
 > Sector Sizes:     512 bytes logical, 4096 bytes physical
 > Rotation Rate:    5400 rpm
 > Form Factor:      3.5 inches
 > Device is:        In smartctl database [for details use: -P show]
 > ATA Version is:   ACS-3 T13/2161-D revision 5
 > SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
 > Local Time is:    Mon Apr 25 15:02:26 2022 UTC
 > SMART support is: Available - device has SMART capability.
 > SMART support is: Enabled
 >
 > === START OF READ SMART DATA SECTION ===
 > SMART overall-health self-assessment test result: PASSED
 >
 > General SMART Values:
 > Offline data collection status:  (0x82)	Offline data collection activity
 > 					was completed without error.
 > 					Auto Offline Data Collection: Enabled.
 > Self-test execution status:      (   0)	The previous self-test 
routine completed
 > 					without error or no self-test has ever
 > 					been run.
 > Total time to complete Offline
 > data collection: 		(43680) seconds.
 > Offline data collection
 > capabilities: 			 (0x7b) SMART execute Offline immediate.
 > 					Auto Offline data collection on/off support.
 > 					Suspend Offline collection upon new
 > 					command.
 > 					Offline surface scan supported.
 > 					Self-test supported.
 > 					Conveyance Self-test supported.
 > 					Selective Self-test supported.
 > SMART capabilities:            (0x0003)	Saves SMART data before entering
 > 					power-saving mode.
 > 					Supports SMART auto save timer.
 > Error logging capability:        (0x01)	Error logging supported.
 > 					General Purpose Logging supported.
 > Short self-test routine
 > recommended polling time: 	 (   2) minutes.
 > Extended self-test routine
 > recommended polling time: 	 ( 463) minutes.
 > Conveyance self-test routine
 > recommended polling time: 	 (   5) minutes.
 > SCT capabilities: 	       (0x303d)	SCT Status supported.
 > 					SCT Error Recovery Control supported.
 > 					SCT Feature Control supported.
 > 					SCT Data Table supported.
 >
 > SMART Attributes Data Structure revision number: 16
 > Vendor Specific SMART Attributes with Thresholds:
 > ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE 
UPDATED  WHEN_FAILED RAW_VALUE
 >    1 Raw_Read_Error_Rate     0x002f   200   200   051    Pre-fail 
Always       -       0
 >    3 Spin_Up_Time            0x0027   168   166   021    Pre-fail 
Always       -       6583
 >    4 Start_Stop_Count        0x0032   100   100   000    Old_age 
Always       -       41
 >    5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail 
Always       -       0
 >    7 Seek_Error_Rate         0x002e   200   200   000    Old_age 
Always       -       0
 >    9 Power_On_Hours          0x0032   083   083   000    Old_age 
Always       -       12670
 >   10 Spin_Retry_Count        0x0032   100   253   000    Old_age 
Always       -       0
 >   11 Calibration_Retry_Count 0x0032   100   253   000    Old_age 
Always       -       0
 >   12 Power_Cycle_Count       0x0032   100   100   000    Old_age 
Always       -       41
 > 192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age 
Always       -       13
 > 193 Load_Cycle_Count        0x0032   198   198   000    Old_age 
Always       -       7908
 > 194 Temperature_Celsius     0x0022   119   108   000    Old_age 
Always       -       31
 > 196 Reallocated_Event_Count 0x0032   200   200   000    Old_age 
Always       -       0
 > 197 Current_Pending_Sector  0x0032   200   200   000    Old_age 
Always       -       0
 > 198 Offline_Uncorrectable   0x0030   200   200   000    Old_age 
Offline      -       0
 > 199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age 
Always       -       0
 > 200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age 
Offline      -       0
 >
 > SMART Error Log Version: 1
 > No Errors Logged
 >
 > SMART Self-test log structure revision number 1
 > Num  Test_Description    Status                  Remaining 
LifeTime(hours)  LBA_of_first_error
 > # 1  Extended offline    Completed without error       00%     12661 
         -
 > # 2  Short offline       Completed without error       00%     12651 
         -
 > # 3  Extended offline    Completed without error       00%     10026 
         -
 > # 4  Extended offline    Completed without error       00%         7 
         -
 > # 5  Short offline       Completed without error       00%         0 
         -
 >
 > SMART Selective self-test log data structure revision number 1
 >   SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
 >      1        0        0  Not_testing
 >      2        0        0  Not_testing
 >      3        0        0  Not_testing
 >      4        0        0  Not_testing
 >      5        0        0  Not_testing
 > Selective self-test flags (0x0):
 >    After scanning selected spans, do NOT read-scan remainder of disk.
 > If Selective self-test is pending on power-up, resume after 0 minute 
delay.


That drive looks good to me.


I still don't see the source of the original dmesg(1) errors.  I would:

1.  Power down and vacuum the inside of the case.

2.  Carefully wiggle and then disconnect all PSU cables and connectors. 
  Feel for any poor connections.

3.  Carefully wiggle and then disconnect all SATA cables and connectors, 
as above.

4.  Test the PSU with a hardware tester.

5.  Vacuum some more.

6.  Reconnect the PSU and SATA cables.  Wiggle each connection, as 
above.  Dress cables.

7.  Boot memtest86+ and run overnight or longer.


If and when you have convinced yourself that all of the hardware is 
good, then software is what remains.


Did you figure out what was preventing Debian from booting?  Is the 
Debian instance fixed?



David

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#247586

FromCharles Curley <charlescurley@charlescurley.com>
Date2022-04-27 00:10 +0200
Message-ID<EgBxD-bpts-7@gated-at.bofh.it>
In reply to#247551
Update. I had a friend with a power supply checker check the power
supply. The +12 volt line is running at 11.5v, barely within spec.
Fishy, but livable for the nonce.

I had been running Finnix as Debian wouldn't boot. I pulled all the
external USB lines except for a 3.5" external floppy disk drive. The
USB problem that started all this went away, i.e. I stopped getting
error messages in dmesg. I rebooted Finnix, and did not see the error
message. Also, the boot speed was back to normal.

An hour and a half ago I booted to the installed Debian system, and
that now runs fine. I see no error messages for USB or for any of the
drives. RAID looks nominal. I will monitor.

The next step will be to add back external USB lines, one at a time,
and see if the problem re-appears. It may have been something as simple
as mild corrosion on a connector.

Meanwhile, I did long tests on the hard drives and SSD; all passed.
I've seen no hard drive error messages all day.

On Mon, 25 Apr 2022 14:56:50 -0700
David Christensen <dpchrist@holgerdanske.com> wrote:

> On 4/25/22 07:18, Charles Curley wrote:
> > On Sun, 24 Apr 2022 22:52:15 -0700
> > David Christensen <dpchrist@holgerdanske.com> wrote:
> >   
> >> So, RAID 5 HDD's are sda, sdc, and sdd, and optical is sdb?  
> > 
> > Optical is sr0.   
> 
> 
> Interesting.  (Must be the SATA controller expansion card?)

Yup.

> 
>  > Debian and finnix see things differently. On both. sdc and sdd are
>  > part of the RAID array. On Debian, sda is the system drive: /,
>  > /home, /etc, swap, /boot, etc.. sdb is part of the RAID array.
>  > Finnix swaps those two.  
> 
> 
> Okay.
> 
> 
> Rather than a Live Linux distribution for troubleshooting, I install 
> Debian onto a USB flash drive (SanDisk Ultra Fit USB 3.0 16 GB).   I 
> keep it updated/ upgraded, and install whatever tools I want.  You
> might want to make one that matches your Debian instance -- that
> should eliminate the device enumeration differences.

Would that have solved this transposition? I suspect that Linux sets up
the boot drive as sda regardless of how the firmware sees things.

But otherwise a good idea, if a bit of work.


> 
> 
>  >> SATA cables -- Color?  Locking or non-locking connectors?    Came
>  >> with motherboard or aftermarket?  If the latter, make and model?  
>  >
>  > All black, two red. The black ones came with the computer. The red
>  > ones are aftermarket, Alchemy SATA3 30 cm. BFA-MSC-SATA330RK-RP.
>  > All lock.  
> 
> 
> https://www.frozencpu.com/products/14060/cab-572/Bitfenix_Alchemy_Multisleeve_SATA_30_Cable_-_30cm_-_Red_BFA-MSC-SATA330RK-RP.html
> 
> 
> Those Alchemy SATA cables look good.  Assuming you like them, I would 
> replace the factory cables with new Alchemy cables.

I'll keep that in mind. I have one spare, so I can swap that in in
pretty quick order if need be.


> 
> 
>  >> Please run long tests now on all three drives.  Save all of the
>  >> reports. Post the report(s) for any drive(s) with SMART failures
>  >> and/or dmesg(1) errors.  
>  >
>  > Long tests run about 10 hours. I did one overnight on sdd, and it
>  > reported no errors. No dmesg errors sine the ones I reported in the
>  > original email.  
> 
> 
> I launch SMART tests on all of the drives at the same time.  The 
> microcontroller in each drive runs the test for that drive 
> independently, so it is okay to run all the tests concurrently.

I did figure that out, and tested the three remaining drives. All
tested with no errors.



> 
> 
> I still don't see the source of the original dmesg(1) errors.  I
> would:

I've done some of these. But as I am not seeing any more hard drive
issues, I'm not going to spend any more time on the rest.


> 
> 7.  Boot memtest86+ and run overnight or longer.

Interestingly enough, memtest86 locks up right at the 4096 MB mark. It
also completely refuses to run on another system I have here. I'm going
to do some further testing, then report what I see in a new thread.


> 
> 
> If and when you have convinced yourself that all of the hardware is 
> good, then software is what remains.

Yup.

> 
> 
> Did you figure out what was preventing Debian from booting?  Is the 
> Debian instance fixed?

I think so; see above.

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#247590

FromDavid Christensen <dpchrist@holgerdanske.com>
Date2022-04-27 04:10 +0200
Message-ID<EgFhT-brN1-1@gated-at.bofh.it>
In reply to#247586
On 4/26/22 15:04, Charles Curley wrote:

<top post moved to bottom>

> On Mon, 25 Apr 2022 14:56:50 -0700 David Christensen wrote:

>> On 4/25/22 07:18, Charles Curley wrote:

>>> On Sun, 24 Apr 2022 22:52:15 -0700 David Christensen wrote:

>> Rather than a Live Linux distribution for troubleshooting, I install
>> Debian onto a USB flash drive (SanDisk Ultra Fit USB 3.0 16 GB).   I
>> keep it updated/ upgraded, and install whatever tools I want.  You
>> might want to make one that matches your Debian instance -- that
>> should eliminate the device enumeration differences.
> 
> Would that have solved this transposition? 


I would expect two matching Debian instances would enumerate the same 
drives in the same order on the same machine, but...


> I suspect that Linux sets up
> the boot drive as sda regardless of how the firmware sees things.


I have seen examples to the contrary.


When installing, I make sure the target device is /dev/sda -- installing 
to /dev/sdb, etc., is a recipe for future problems.


> But otherwise a good idea, if a bit of work.


A complete Debian instance on a USB flash drive is an invaluable tool, 
and well worth the time to create and maintain.


>> Those Alchemy SATA cables look good.  Assuming you like them, I would
>> replace the factory cables with new Alchemy cables.
> 
> I'll keep that in mind. I have one spare, so I can swap that in in
> pretty quick order if need be.


I would order more and make everything match.


> I did figure that out, and tested the three remaining drives. All
> tested with no errors.


Good.


> I've done some of these. But as I am not seeing any more hard drive
> issues, I'm not going to spend any more time on the rest.


Agreed.


>> 7.  Boot memtest86+ and run overnight or longer.
> 
> Interestingly enough, memtest86 locks up right at the 4096 MB mark. It
> also completely refuses to run on another system I have here. I'm going
> to do some further testing, then report what I see in a new thread.


If you are certain your memtest86+ tool is good, then that is a 
significant finding.  I would download a current copy, burn it to USB, 
and try again.


>> Did you figure out what was preventing Debian from booting?  Is the
>> Debian instance fixed?

 > Update. I had a friend with a power supply checker check the power
 > supply. The +12 volt line is running at 11.5v, barely within spec.
 > Fishy, but livable for the nonce.
 >
 > I had been running Finnix as Debian wouldn't boot. I pulled all the
 > external USB lines except for a 3.5" external floppy disk drive. The
 > USB problem that started all this went away, i.e. I stopped getting
 > error messages in dmesg. I rebooted Finnix, and did not see the error
 > message. Also, the boot speed was back to normal.
 >
 > An hour and a half ago I booted to the installed Debian system, and
 > that now runs fine. I see no error messages for USB or for any of the
 > drives. RAID looks nominal. I will monitor.
 >
 > The next step will be to add back external USB lines, one at a time,
 > and see if the problem re-appears. It may have been something as simple
 > as mild corrosion on a connector.


What is the make and model of the PSU?


Have you done a power budget calculation?  I wonder if your PC is 
pushing the PSU to the limit, and the USB devices push it over?


A weak PSU could cause memory errors, which will cause strange 
malfunctions.  Beware of chasing misleading symptoms.  If you can afford 
a spare PSU, A/B testing could be revealing.


David

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