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SubjectRe: 2.6.24-rc3-mm1
On Fri, 23 Nov 2007 02:39:08 +0100 Gabriel C <nix.or.die@googlemail.com> wrote:

> I have some warnings on each SCSI disc:
>
>
> ...
>
> [ 30.724410] scsi 0:0:0:0: Direct-Access SEAGATE ST318406LW 0109 PQ: 0 ANSI: 3
> [ 30.724419] scsi0:A:0:0: Tagged Queuing enabled. Depth 32
> [ 30.724435] target0:0:0: Beginning Domain Validation
> [ 30.724446] target0:0:0: Domain Validation Initial Inquiry Failed <--
> [ 30.724572] target0:0:0: Ending Domain Validation
> [ 30.729747] scsi 0:0:1:0: Direct-Access FUJITSU MAH3182MP 0114 PQ: 0 ANSI: 4
> [ 30.729754] scsi0:A:1:0: Tagged Queuing enabled. Depth 32
> [ 30.729771] target0:0:1: Beginning Domain Validation
> [ 30.729780] target0:0:1: Domain Validation Initial Inquiry Failed <--
> [ 30.729908] target0:0:1: Ending Domain Validation
>

Don't know what would have caused that. But yes, something is wrong in
scsi land.

>
> no idea whatever this is related but buffered disk reads are 2.XX MB/sec and the box is somewhat laggy.
>
> hdparm -t on sda and sdb reports :
>
> /dev/sda:
> Timing buffered disk reads: 8 MB in 3.26 seconds = 2.46 MB/sec
>
> /dev/sdb:
> Timing buffered disk reads: 8 MB in 3.56 seconds = 2.25 MB/sec
>
> My IDE discs are fine.
>
> Please let me know if you need my config or any other informations.
>

And you're the second to report very slow scsi throughput in 2.6.24-rc3-mm1.
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