Re: 2.6.8-12-amd64-k8 raid1 freezes with spurious interrupts
On Wed, Aug 09, 2006 at 12:18:44PM +0200, Harm Behrens wrote:
> Hello,
>
> > Do you have "RAID edition" or "normal" hard drives?
> > Some "normal" hard drives can carry out lenghty test and/or repair
> > procedures themselves and be unresposive in that time.
> > RAID controller or software may get confused and handle the
> > drive as faulty.
>
> just: normal ;-(
>
> > Check the SMART settings, status (error counts, reallocated sector
> > count etc.) and error log on the drives.
>
> unfortunaly it does not work properly, any ideas:
>
> # smartctl -i -d ata /dev/sda -T permissive
> smartctl version 5.32 Copyright (C) 2002-4 Bruce Allen
> Home page is http://smartmontools.sourceforge.net/
>
> Smartctl: Device Read Identity Failed (not an ATA/ATAPI device)
>
> === START OF INFORMATION SECTION ===
> Device Model: [No Information Found]
> Serial Number: [No Information Found]
> Firmware Version: [No Information Found]
> Device is: Not in smartctl database [for details use: -P showall]
> ATA Version is: 1
> ATA Standard is: Exact ATA specification draft version not indicated
> Local Time is: Wed Aug 9 12:01:18 2006 CEST
> SMART is only available in ATA Version 3 Revision 3 or greater.
> We will try to proceed in spite of this.
> SMART support is: Ambiguous - ATA IDENTIFY DEVICE words 82-83 don't show if
> SMART supported.
> A mandatory SMART command failed: exiting. To continue, add one or more '-T
> permissive' options.
>
> > ATA communication errors also produce time-outs.
> > Sometimes, it simply seems that distinct controllers do not like
> > distinct hard drives.
>
> this might be the problem as I got the following errors on the console:
>
> ata2: command 0x35 timeout, stat 0xd0 host_stat 0x1
> scsi1: Error on Channel0, id0, lan0, CDB: Write (10)
> Current sdb: sense Key Medium Error
> Additional sense: Write Error - auto reallocation failed
> end_request: I/O error, dev sdb, sector 19687
> ATA: abnormal status 0xD0 on port 0x977
>
> > PS: I assume that the old story of A-Open mainboards trashing
> > WD (and apparently only WD) hard drives after 2-3 months of
> > usage is well known.
>
> I hope not to have tha constellation, as my components/setup are:
>
> - mobo: Asus A8N-SLI
> - 2 harddrives: Samsung 300 GB, S-ATA2 (Mod.Nr.: HD300LJ )
> - kernel: 2.6.8-12-amd64-k8
> - raid1: sda and sdb
> - 3 partitions on each disk: "/", "/home", "swap"
>
> Any further ideas, than changing harddisks and building new raid!
> Harm-?
Not a fix for your problem, but isn't it better the have the drives
in your RAID on *different* IDE chains?
>
>
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