Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: "Carlos E.R." Newsgroups: alt.os.linux Subject: Re: Hard disk error (testing usb-storage instead of UAS) Date: Tue, 8 Apr 2025 20:49:36 +0200 Lines: 212 Message-ID: <0n7gclx6mh.ln2@Telcontar.valinor> References: <7263clxr47.ln2@Telcontar.valinor> <6orcclxu42.ln2@Telcontar.valinor> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Trace: individual.net aByTSlp0GPMj3ilEs5tp9QFqrSo05u6cPCaKapGYwqmlLvG1nc X-Orig-Path: Telcontar.valinor!not-for-mail Cancel-Lock: sha1:kSgHZUaK2++8+KH86OLNt1ETWO0= sha256:/TrbkM39HwhHU6G2m4Hrb4Cme1aNsfOjDeEbaUKXw9U= User-Agent: Mozilla Thunderbird Content-Language: es-ES, en-CA In-Reply-To: Xref: csiph.com alt.os.linux:81317 On 2025-04-08 08:09, J.O. Aho wrote: > On 08/04/2025 02.34, Carlos E.R. wrote: > >> All the issues I have with this box appear to be caused by the >> firmware of the box. None seem to be caused on the Linux side of things. > > The workaround seems to be to degrade to the old USB behavior on the > Linux side or flash a new firmware and hope it works. > > Come back after you done one or other. > <0.5> 2025-04-08T19:57:43.732682+02:00 Isengard kernel - - - [ T0] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-6.4.0-150600.23.42-default root=UUID=0d457df1-... showopts splash=verbose resume=/dev/disk/by-label/Swap verbose mitigations=auto usbstorage.quirks=152d:0578:u ... <0.6> 2025-04-08T19:59:29.396137+02:00 Isengard kernel - - - [ T9] usb 2-1: new SuperSpeed USB device number 8 using xhci_hcd <0.6> 2025-04-08T19:59:29.416175+02:00 Isengard kernel - - - [ T9] usb 2-1: New USB device found, idVendor=152d, idProduct=0578, bcdDevice= 3.01 <0.6> 2025-04-08T19:59:29.416230+02:00 Isengard kernel - - - [ T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 <0.6> 2025-04-08T19:59:29.416234+02:00 Isengard kernel - - - [ T9] usb 2-1: Product: External HDD <0.6> 2025-04-08T19:59:29.416237+02:00 Isengard kernel - - - [ T9] usb 2-1: Manufacturer: External USB3.0 <0.6> 2025-04-08T19:59:29.416239+02:00 Isengard kernel - - - [ T9] usb 2-1: SerialNumber: 0000007788FC <0.6> 2025-04-08T19:59:29.420143+02:00 Isengard kernel - - - [ T9] usb-storage 2-1:1.0: USB Mass Storage device detected <0.6> 2025-04-08T19:59:29.420175+02:00 Isengard kernel - - - [ T9] usb-storage 2-1:1.0: Quirks match for vid 152d pid 0578: 1800000 <0.6> 2025-04-08T19:59:29.420178+02:00 Isengard kernel - - - [ T9] scsi host6: usb-storage 2-1:1.0 <1.6> 2025-04-08T19:59:29.441025+02:00 Isengard mtp-probe - - - checking bus 2, device 8: "/sys/devices/pci0000:00/0000:00:14.0/usb2/2-1" <1.6> 2025-04-08T19:59:29.441602+02:00 Isengard mtp-probe - - - bus: 2, device: 8 was not an MTP device <1.6> 2025-04-08T19:59:29.475720+02:00 Isengard mtp-probe - - - checking bus 2, device 8: "/sys/devices/pci0000:00/0000:00:14.0/usb2/2-1" <1.6> 2025-04-08T19:59:29.475976+02:00 Isengard mtp-probe - - - bus: 2, device: 8 was not an MTP device <0.5> 2025-04-08T19:59:30.456232+02:00 Isengard kernel - - - [ T41] scsi 6:0:0:0: Direct-Access External USB3.0 0301 PQ: 0 ANSI: 6 <0.5> 2025-04-08T19:59:30.456274+02:00 Isengard kernel - - - [ T41] scsi 6:0:0:1: Direct-Access External USB3.0 0301 PQ: 0 ANSI: 6 <0.5> 2025-04-08T19:59:30.456278+02:00 Isengard kernel - - - [ T41] scsi 6:0:0:2: Direct-Access External USB3.0 0301 PQ: 0 ANSI: 6 <0.5> 2025-04-08T19:59:30.456283+02:00 Isengard kernel - - - [ T41] scsi 6:0:0:3: Direct-Access External USB3.0 0301 PQ: 0 ANSI: 6 <0.5> 2025-04-08T19:59:30.456285+02:00 Isengard kernel - - - [ T41] sd 6:0:0:0: Attached scsi generic sg7 type 0 <0.5> 2025-04-08T19:59:30.456287+02:00 Isengard kernel - - - [ T412] sd 6:0:0:0: [sdf] Very big device. Trying to use READ CAPACITY(16). <0.5> 2025-04-08T19:59:30.456289+02:00 Isengard kernel - - - [ T41] sd 6:0:0:1: Attached scsi generic sg8 type 0 <0.5> 2025-04-08T19:59:30.456291+02:00 Isengard kernel - - - [ T41] sd 6:0:0:2: Attached scsi generic sg9 type 0 <0.5> 2025-04-08T19:59:30.456293+02:00 Isengard kernel - - - [ T412] sd 6:0:0:0: [sdf] 19532873728 512-byte logical blocks: (10.0 TB/9.10 TiB) <0.5> 2025-04-08T19:59:30.456295+02:00 Isengard kernel - - - [ T412] sd 6:0:0:0: [sdf] 4096-byte physical blocks <0.5> 2025-04-08T19:59:30.456297+02:00 Isengard kernel - - - [ T41] scsi 6:0:0:3: Attached scsi generic sg10 type 0 <0.5> 2025-04-08T19:59:30.456298+02:00 Isengard kernel - - - [ T412] sd 6:0:0:0: [sdf] Write Protect is off <0.7> 2025-04-08T19:59:30.456300+02:00 Isengard kernel - - - [ T412] sd 6:0:0:0: [sdf] Mode Sense: 47 00 00 08 <0.5> 2025-04-08T19:59:30.463175+02:00 Isengard kernel - - - [ T412] sd 6:0:0:0: [sdf] Disabling FUA <0.5> 2025-04-08T19:59:30.463216+02:00 Isengard kernel - - - [ T412] sd 6:0:0:0: [sdf] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA <0.5> 2025-04-08T19:59:30.463219+02:00 Isengard kernel - - - [ T10] sd 6:0:0:1: [sdg] Very big device. Trying to use READ CAPACITY(16). <0.5> 2025-04-08T19:59:30.463221+02:00 Isengard kernel - - - [ T39] sd 6:0:0:2: [sdh] Very big device. Trying to use READ CAPACITY(16). <0.5> 2025-04-08T19:59:30.463224+02:00 Isengard kernel - - - [ T10] sd 6:0:0:1: [sdg] 19532873728 512-byte logical blocks: (10.0 TB/9.10 TiB) <0.5> 2025-04-08T19:59:30.463226+02:00 Isengard kernel - - - [ T10] sd 6:0:0:1: [sdg] 4096-byte physical blocks <0.5> 2025-04-08T19:59:30.463228+02:00 Isengard kernel - - - [ T40] sd 6:0:0:3: [sdi] Very big device. Trying to use READ CAPACITY(16). <0.5> 2025-04-08T19:59:30.463230+02:00 Isengard kernel - - - [ T39] sd 6:0:0:2: [sdh] 19532873728 512-byte logical blocks: (10.0 TB/9.10 TiB) <0.5> 2025-04-08T19:59:30.463231+02:00 Isengard kernel - - - [ T39] sd 6:0:0:2: [sdh] 4096-byte physical blocks <0.5> 2025-04-08T19:59:30.463233+02:00 Isengard kernel - - - [ T39] sd 6:0:0:2: [sdh] Write Protect is off <0.7> 2025-04-08T19:59:30.463234+02:00 Isengard kernel - - - [ T39] sd 6:0:0:2: [sdh] Mode Sense: 47 00 00 08 <0.5> 2025-04-08T19:59:30.463236+02:00 Isengard kernel - - - [ T39] sd 6:0:0:2: [sdh] Disabling FUA <0.5> 2025-04-08T19:59:30.463238+02:00 Isengard kernel - - - [ T39] sd 6:0:0:2: [sdh] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA <0.5> 2025-04-08T19:59:30.484172+02:00 Isengard kernel - - - [ T10] sd 6:0:0:1: [sdg] Write Protect is off <0.7> 2025-04-08T19:59:30.484208+02:00 Isengard kernel - - - [ T10] sd 6:0:0:1: [sdg] Mode Sense: 47 00 00 08 <0.5> 2025-04-08T19:59:30.484212+02:00 Isengard kernel - - - [ T10] sd 6:0:0:1: [sdg] Disabling FUA <0.5> 2025-04-08T19:59:30.484214+02:00 Isengard kernel - - - [ T10] sd 6:0:0:1: [sdg] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA <0.5> 2025-04-08T19:59:30.484216+02:00 Isengard kernel - - - [ T40] sd 6:0:0:3: [sdi] 19532873728 512-byte logical blocks: (10.0 TB/9.10 TiB) <0.5> 2025-04-08T19:59:30.484218+02:00 Isengard kernel - - - [ T40] sd 6:0:0:3: [sdi] 4096-byte physical blocks <0.5> 2025-04-08T19:59:30.484220+02:00 Isengard kernel - - - [ T40] sd 6:0:0:3: [sdi] Write Protect is off <0.7> 2025-04-08T19:59:30.484221+02:00 Isengard kernel - - - [ T40] sd 6:0:0:3: [sdi] Mode Sense: 47 00 00 08 <0.5> 2025-04-08T19:59:30.484223+02:00 Isengard kernel - - - [ T40] sd 6:0:0:3: [sdi] Disabling FUA <0.5> 2025-04-08T19:59:30.484225+02:00 Isengard kernel - - - [ T40] sd 6:0:0:3: [sdi] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA <0.5> 2025-04-08T19:59:30.488218+02:00 Isengard kernel - - - [ T412] sd 6:0:0:0: [sdf] Attached SCSI disk <0.5> 2025-04-08T19:59:30.528130+02:00 Isengard kernel - - - [ T39] sd 6:0:0:2: [sdh] Attached SCSI disk <0.5> 2025-04-08T19:59:30.544181+02:00 Isengard kernel - - - [ T10] sd 6:0:0:1: [sdg] Attached SCSI disk <0.5> 2025-04-08T19:59:30.548130+02:00 Isengard kernel - - - [ T40] sd 6:0:0:3: [sdi] Attached SCSI disk <1.4> 2025-04-08T19:59:31.044839+02:00 Isengard udisksd 2856 - - Error probing device: Error sending ATA command IDENTIFY DEVICE to '/dev/sdh': Unexpected sense data returned:#0120000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#0120010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#012 (g-io-error-quark, 0) <1.4> 2025-04-08T19:59:31.045188+02:00 Isengard udisksd 2856 - - Error probing device: Error sending ATA command IDENTIFY DEVICE to '/dev/sdf': Unexpected sense data returned:#0120000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#0120010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#012 (g-io-error-quark, 0) <1.4> 2025-04-08T19:59:31.045344+02:00 Isengard udisksd 2856 - - Error probing device: Error sending ATA command IDENTIFY DEVICE to '/dev/sdi': Unexpected sense data returned:#0120000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#0120010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#012 (g-io-error-quark, 0) <1.4> 2025-04-08T19:59:31.056710+02:00 Isengard udisksd 2856 - - Error probing device: Error sending ATA command IDENTIFY DEVICE to '/dev/sdg': Unexpected sense data returned:#0120000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#0120010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#012 (g-io-error-quark, 0) <0.6> 2025-04-08T19:59:32.400127+02:00 Isengard kernel - - - [ T9] usb 2-3: new SuperSpeed USB device number 9 using xhci_hcd <0.6> 2025-04-08T19:59:32.420138+02:00 Isengard kernel - - - [ T9] usb 2-3: New USB device found, idVendor=152d, idProduct=0578, bcdDevice= 3.01 <0.6> 2025-04-08T19:59:32.420174+02:00 Isengard kernel - - - [ T9] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 <0.6> 2025-04-08T19:59:32.420177+02:00 Isengard kernel - - - [ T9] usb 2-3: Product: External HDD <0.6> 2025-04-08T19:59:32.420180+02:00 Isengard kernel - - - [ T9] usb 2-3: Manufacturer: External USB3.0 <0.6> 2025-04-08T19:59:32.420183+02:00 Isengard kernel - - - [ T9] usb 2-3: SerialNumber: 0000007788FC <0.6> 2025-04-08T19:59:32.428144+02:00 Isengard kernel - - - [ T9] usb-storage 2-3:1.0: USB Mass Storage device detected <0.6> 2025-04-08T19:59:32.428192+02:00 Isengard kernel - - - [ T9] usb-storage 2-3:1.0: Quirks match for vid 152d pid 0578: 1800000 <0.6> 2025-04-08T19:59:32.428195+02:00 Isengard kernel - - - [ T9] scsi host7: usb-storage 2-3:1.0 <1.6> 2025-04-08T19:59:32.441321+02:00 Isengard mtp-probe - - - checking bus 2, device 9: "/sys/devices/pci0000:00/0000:00:14.0/usb2/2-3" <1.6> 2025-04-08T19:59:32.441561+02:00 Isengard mtp-probe - - - bus: 2, device: 9 was not an MTP device <1.6> 2025-04-08T19:59:32.474703+02:00 Isengard mtp-probe - - - checking bus 2, device 9: "/sys/devices/pci0000:00/0000:00:14.0/usb2/2-3" <1.6> 2025-04-08T19:59:32.474934+02:00 Isengard mtp-probe - - - bus: 2, device: 9 was not an MTP device <0.5> 2025-04-08T19:59:33.460167+02:00 Isengard kernel - - - [ T40] scsi 7:0:0:0: Direct-Access External USB3.0 0301 PQ: 0 ANSI: 6 <0.5> 2025-04-08T19:59:33.460215+02:00 Isengard kernel - - - [ T40] scsi 7:0:0:1: Direct-Access External USB3.0 0301 PQ: 0 ANSI: 6 <0.5> 2025-04-08T19:59:33.460221+02:00 Isengard kernel - - - [ T40] scsi 7:0:0:2: Direct-Access External USB3.0 0301 PQ: 0 ANSI: 6 <0.5> 2025-04-08T19:59:33.460224+02:00 Isengard kernel - - - [ T40] scsi 7:0:0:3: Direct-Access External USB3.0 0301 PQ: 0 ANSI: 6 <0.5> 2025-04-08T19:59:33.460226+02:00 Isengard kernel - - - [ T40] sd 7:0:0:0: Attached scsi generic sg11 type 0 <0.5> 2025-04-08T19:59:33.460228+02:00 Isengard kernel - - - [ T39] sd 7:0:0:0: [sdj] Very big device. Trying to use READ CAPACITY(16). <0.5> 2025-04-08T19:59:33.460230+02:00 Isengard kernel - - - [ T40] sd 7:0:0:1: Attached scsi generic sg12 type 0 <0.5> 2025-04-08T19:59:33.460232+02:00 Isengard kernel - - - [ T39] sd 7:0:0:0: [sdj] 19532873728 512-byte logical blocks: (10.0 TB/9.10 TiB) <0.5> 2025-04-08T19:59:33.460234+02:00 Isengard kernel - - - [ T39] sd 7:0:0:0: [sdj] 4096-byte physical blocks <0.5> 2025-04-08T19:59:33.460235+02:00 Isengard kernel - - - [ T39] sd 7:0:0:0: [sdj] Write Protect is off <0.7> 2025-04-08T19:59:33.460237+02:00 Isengard kernel - - - [ T39] sd 7:0:0:0: [sdj] Mode Sense: 47 00 00 08 <0.5> 2025-04-08T19:59:33.460238+02:00 Isengard kernel - - - [ T40] sd 7:0:0:2: Attached scsi generic sg13 type 0 <0.5> 2025-04-08T19:59:33.460240+02:00 Isengard kernel - - - [ T40] sd 7:0:0:3: Attached scsi generic sg14 type 0 <0.5> 2025-04-08T19:59:33.464177+02:00 Isengard kernel - - - [ T10] sd 7:0:0:1: [sdk] Very big device. Trying to use READ CAPACITY(16). <0.5> 2025-04-08T19:59:33.464218+02:00 Isengard kernel - - - [ T10] sd 7:0:0:1: [sdk] 19532873728 512-byte logical blocks: (10.0 TB/9.10 TiB) <0.5> 2025-04-08T19:59:33.464221+02:00 Isengard kernel - - - [ T10] sd 7:0:0:1: [sdk] 4096-byte physical blocks <0.5> 2025-04-08T19:59:33.464223+02:00 Isengard kernel - - - [ T10] sd 7:0:0:1: [sdk] Write Protect is off <0.7> 2025-04-08T19:59:33.464226+02:00 Isengard kernel - - - [ T10] sd 7:0:0:1: [sdk] Mode Sense: 47 00 00 08 <0.5> 2025-04-08T19:59:33.464227+02:00 Isengard kernel - - - [ T39] sd 7:0:0:0: [sdj] Disabling FUA <0.5> 2025-04-08T19:59:33.464229+02:00 Isengard kernel - - - [ T39] sd 7:0:0:0: [sdj] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA <0.5> 2025-04-08T19:59:33.464231+02:00 Isengard kernel - - - [ T4797] sd 7:0:0:2: [sdl] Very big device. Trying to use READ CAPACITY(16). <0.5> 2025-04-08T19:59:33.472155+02:00 Isengard kernel - - - [ T10] sd 7:0:0:1: [sdk] Disabling FUA <0.5> 2025-04-08T19:59:33.472196+02:00 Isengard kernel - - - [ T10] sd 7:0:0:1: [sdk] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA <0.5> 2025-04-08T19:59:33.484228+02:00 Isengard kernel - - - [ T39] sd 7:0:0:0: [sdj] Attached SCSI disk <0.5> 2025-04-08T19:59:33.484260+02:00 Isengard kernel - - - [ T4797] sd 7:0:0:2: [sdl] 19532873728 512-byte logical blocks: (10.0 TB/9.10 TiB) <0.5> 2025-04-08T19:59:33.484264+02:00 Isengard kernel - - - [ T4797] sd 7:0:0:2: [sdl] 4096-byte physical blocks <0.5> 2025-04-08T19:59:33.484267+02:00 Isengard kernel - - - [ T4797] sd 7:0:0:2: [sdl] Write Protect is off <0.7> 2025-04-08T19:59:33.484269+02:00 Isengard kernel - - - [ T4797] sd 7:0:0:2: [sdl] Mode Sense: 47 00 00 08 <0.5> 2025-04-08T19:59:33.484271+02:00 Isengard kernel - - - [ T4797] sd 7:0:0:2: [sdl] Disabling FUA <0.5> 2025-04-08T19:59:33.484393+02:00 Isengard kernel - - - [ T4797] sd 7:0:0:2: [sdl] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA <0.5> 2025-04-08T19:59:33.484421+02:00 Isengard kernel - - - [ T412] sd 7:0:0:3: [sdm] Very big device. Trying to use READ CAPACITY(16). <0.5> 2025-04-08T19:59:33.484444+02:00 Isengard kernel - - - [ T412] sd 7:0:0:3: [sdm] 19532873728 512-byte logical blocks: (10.0 TB/9.10 TiB) <0.5> 2025-04-08T19:59:33.484461+02:00 Isengard kernel - - - [ T412] sd 7:0:0:3: [sdm] 4096-byte physical blocks <0.5> 2025-04-08T19:59:33.488234+02:00 Isengard kernel - - - [ T412] sd 7:0:0:3: [sdm] Write Protect is off <0.7> 2025-04-08T19:59:33.488382+02:00 Isengard kernel - - - [ T412] sd 7:0:0:3: [sdm] Mode Sense: 47 00 00 08 <0.5> 2025-04-08T19:59:33.488388+02:00 Isengard kernel - - - [ T412] sd 7:0:0:3: [sdm] Disabling FUA <0.5> 2025-04-08T19:59:33.488390+02:00 Isengard kernel - - - [ T412] sd 7:0:0:3: [sdm] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA <0.5> 2025-04-08T19:59:33.508190+02:00 Isengard kernel - - - [ T4797] sd 7:0:0:2: [sdl] Attached SCSI disk <0.5> 2025-04-08T19:59:33.536129+02:00 Isengard kernel - - - [ T412] sd 7:0:0:3: [sdm] Attached SCSI disk <0.5> 2025-04-08T19:59:33.560145+02:00 Isengard kernel - - - [ T10] sd 7:0:0:1: [sdk] Attached SCSI disk <1.4> 2025-04-08T19:59:34.186210+02:00 Isengard udisksd 2856 - - Error probing device: Error sending ATA command IDENTIFY DEVICE to '/dev/sdl': Unexpected sense data returned:#0120000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#0120010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#012 (g-io-error-quark, 0) <1.4> 2025-04-08T19:59:34.192694+02:00 Isengard udisksd 2856 - - Error probing device: Error sending ATA command IDENTIFY DEVICE to '/dev/sdk': Unexpected sense data returned:#0120000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#0120010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#012 (g-io-error-quark, 0) <1.4> 2025-04-08T19:59:34.216776+02:00 Isengard udisksd 2856 - - Error probing device: Error sending ATA command IDENTIFY DEVICE to '/dev/sdm': Unexpected sense data returned:#0120000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#0120010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#012 (g-io-error-quark, 0) <1.4> 2025-04-08T19:59:34.227692+02:00 Isengard udisksd 2856 - - Error probing device: Error sending ATA command IDENTIFY DEVICE to '/dev/sdj': Unexpected sense data returned:#0120000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#0120010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................#012 (g-io-error-quark, 0) Disks are sdf to sdm. Isengard:~ # hdparm -i /dev/sdf /dev/sdf: HDIO_GET_IDENTITY failed: Invalid argument Isengard:~ # Same as before. Isengard:~ # l /dev/disk/by-id/ | grep sd[fghijklm] lrwxrwxrwx 1 root root 9 Apr 8 19:59 ata-ST10000NT001-3LY101_WP022E9S -> ../../sdl lrwxrwxrwx 1 root root 9 Apr 8 19:59 ata-ST10000NT001-3LY101_WP022JMK -> ../../sdh lrwxrwxrwx 1 root root 9 Apr 8 19:59 scsi-SExternal_USB3.0_0000007788FC -> ../../sdf lrwxrwxrwx 1 root root 9 Apr 8 19:59 usb-External_USB3.0_0000007788FC-0:0 -> ../../sdf lrwxrwxrwx 1 root root 9 Apr 8 19:59 usb-External_USB3.0_0000007788FC-0:1 -> ../../sdg lrwxrwxrwx 1 root root 9 Apr 8 19:59 usb-External_USB3.0_0000007788FC-0:2 -> ../../sdh lrwxrwxrwx 1 root root 9 Apr 8 19:59 usb-External_USB3.0_0000007788FC-0:3 -> ../../sdi lrwxrwxrwx 1 root root 9 Apr 8 19:59 wwn-0x5000c500faa885cf -> ../../sdh lrwxrwxrwx 1 root root 9 Apr 8 19:59 wwn-0x5000c500faa9884b -> ../../sdl Isengard:~ # As you can see, not every disk is identified, and those that are do not have all the methods. Isengard:~ # l /dev/disk/by-path/ | grep sd[fghijklm] lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-scsi-0:0:0:1 -> ../../sdg lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-scsi-0:0:0:2 -> ../../sdh lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-scsi-0:0:0:3 -> ../../sdi lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usb-0:1:1.0-scsi-0:0:0:0 -> ../../sdf lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usb-0:1:1.0-scsi-0:0:0:1 -> ../../sdg lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usb-0:1:1.0-scsi-0:0:0:2 -> ../../sdh lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usb-0:1:1.0-scsi-0:0:0:3 -> ../../sdi lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usb-0:3:1.0-scsi-0:0:0:0 -> ../../sdj lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usb-0:3:1.0-scsi-0:0:0:1 -> ../../sdk lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usb-0:3:1.0-scsi-0:0:0:2 -> ../../sdl lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usb-0:3:1.0-scsi-0:0:0:3 -> ../../sdm lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usbv3-0:1:1.0-scsi-0:0:0:0 -> ../../sdf lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usbv3-0:1:1.0-scsi-0:0:0:1 -> ../../sdg lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usbv3-0:1:1.0-scsi-0:0:0:2 -> ../../sdh lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usbv3-0:1:1.0-scsi-0:0:0:3 -> ../../sdi lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usbv3-0:3:1.0-scsi-0:0:0:0 -> ../../sdj lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usbv3-0:3:1.0-scsi-0:0:0:1 -> ../../sdk lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usbv3-0:3:1.0-scsi-0:0:0:2 -> ../../sdl lrwxrwxrwx 1 root root 9 Apr 8 19:59 pci-0000:00:14.0-usbv3-0:3:1.0-scsi-0:0:0:3 -> ../../sdm Isengard:~ # There should be 8 entries for each identification method, one of them is incomplete. So, there is no advantage for using usb-storage instead of UAS, as I thought. The good news is that the names like pci-0000:00:14.0-usbv3-0:3:1.0-scsi-0:0:0:1 hold across boots referring to the same serial name. They do not hold if a disk is removed, the list is then recreated. It appears that the names hold as long as the disks are untouched. This is not affected by the quircks change. I obtain the serial number with this script: +++····················· Isengard:~ # cat /root/bin/YottamasterSerialNumber #!/bin/bash if [ $# -eq 0 ]; then echo "Gets the serial number of a device from SMART data. Ask only one disk at a time (Yotta bug)" exit fi THEDISK=$1 # Ask twice, the first one is a cached answer that has to be disregarded. smartctl -d sat -a $THEDISK | grep "Serial Number" 1>/dev/null smartctl -d sat -a $THEDISK | grep "Serial Number" Isengard:~ # ·····················++- -- Cheers, Carlos.