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Groups > comp.os.linux.hardware > #3127
| From | ANTant@zimage.com (Ant) |
|---|---|
| Subject | Re: SATA->IDE emulation on IBM P4 bogs down on HD writes |
| Newsgroups | comp.os.linux.hardware |
| References | (1 earlier) <41oe1d-dje.ln1@Telcontar.valinor> <87inxy8xtd.fsf@bogus.nodomain.nowhere> <nibu9f$eis$1@dont-email.me> <87r3clifod.fsf@bogus.nodomain.nowhere> <fj2r1d-n2m.ln1@Telcontar.valinor> |
| Message-ID | <o7CdnZUjII94htbKnZ2dnUU7-N-dnZ2d@earthlink.com> (permalink) |
| Date | 2016-05-29 11:42 -0500 |
Carlos E.R. <robin_listas@invalid.es> wrote:
> On 2016-05-29 07:41, Mike Spencer wrote:
> > Capabilities:
> > LBA, IORDY(can be disabled)
> > Queue depth: 32
> > Standby timer values: spec'd by Standard, no device specific minimum
> > R/W multiple sector transfer: Max = 16 Current = 16
> > Recommended acoustic management value: 208, current value: 0
> > DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5 udma6
> > Cycle time: min=120ns recommended=120ns
> You are using "udma5", it seems.
> My SATA drives use "udma6", but my kernel is way more recent, too.
> I have a pentium IV machine running, with an IDE PATA drive. It uses
> udma5, with a recent kernel. I'll post most relevant output so that you
> can compare.
> Capabilities:
> LBA, IORDY(can be disabled)
> Standby timer values: spec'd by Vendor, no device specific minimum
> R/W multiple sector transfer: Max = 16 Current = 16
> Advanced power management level: 254
> Recommended acoustic management value: 128, current value: 254
> DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
> Cycle time: min=120ns recommended=120ns
> PIO: pio0 pio1 pio2 pio3 pio4
> Cycle time: no flow control=240ns IORDY flow control=120ns
> Commands/features:
> Enabled Supported:
> * SMART feature set
> Security Mode feature set
> * Power Management feature set
> * Write cache
> * Look-ahead
> * Host Protected Area feature set
> * WRITE_BUFFER command
> * READ_BUFFER command
> * NOP cmd
> * DOWNLOAD_MICROCODE
> * Advanced Power Management feature set
> Power-Up In Standby feature set
> * SET_FEATURES required to spinup after power up
> Address Offset Reserved Area Boot
> SET_MAX security extension
> Automatic Acoustic Management feature set
> * 48-bit Address feature set
> * Device Configuration Overlay feature set
> * Mandatory FLUSH_CACHE
> * FLUSH_CACHE_EXT
> * SMART error logging
> * SMART self-test
> * General Purpose Logging feature set
> * WRITE_{DMA|MULTIPLE}_FUA_EXT
> * 64-bit World wide name
> * IDLE_IMMEDIATE with UNLOAD
> Speed test (busy machine):
> AmonLanc:~ # hdparm -tT /dev/sda
> /dev/sda:
> Timing cached reads: 790 MB in 2.00 seconds = 394.57 MB/sec
> Timing buffered disk reads: 132 MB in 3.00 seconds = 43.93 MB/sec
> AmonLanc:~ #
> As you can see, PATA is slow, compared to SATA (44 MB/S)
Yep, PATA is older than SATA. IIRC, PATA is basically IDE?
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SATA->IDE emulation on IBM P4 bogs down on HD writes Mike Spencer <mds@bogus.nodomain.nowhere> - 2016-05-19 20:23 -0300
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2016-05-19 16:32 -0700
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes Mike Spencer <mds@bogus.nodomain.nowhere> - 2016-05-20 12:28 -0300
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2016-05-20 09:10 -0700
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2016-05-22 11:37 +0200
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes "Carlos E.R." <robin_listas@invalid.es> - 2016-05-24 21:52 +0200
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes Mike Spencer <mds@bogus.nodomain.nowhere> - 2016-05-28 04:07 -0300
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2016-05-28 11:09 +0000
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes "Carlos E.R." <robin_listas@invalid.es> - 2016-05-28 17:12 +0200
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes Mike Spencer <mds@bogus.nodomain.nowhere> - 2016-05-29 01:50 -0300
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes ANTant@zimage.com (Ant) - 2016-05-29 11:41 -0500
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes Mike Spencer <mds@bogus.nodomain.nowhere> - 2016-05-29 02:41 -0300
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes "Carlos E.R." <robin_listas@invalid.es> - 2016-05-29 14:06 +0200
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes ANTant@zimage.com (Ant) - 2016-05-29 11:42 -0500
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes "Carlos E.R." <robin_listas@invalid.es> - 2016-05-29 21:09 +0200
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes Aragorn <thorongil@telenet.be.invalid> - 2016-05-30 10:57 +0200
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes "Carlos E.R." <robin_listas@invalid.es> - 2016-05-30 14:21 +0200
Re: SATA->IDE emulation on IBM P4 bogs down on HD writes Aragorn <thorongil@telenet.be.invalid> - 2016-05-30 15:49 +0200
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