From: "Christian J. Dietrich" <dietrich@internet-sicherheit.de>
To: xfs@oss.sgi.com
Subject: Re: Repeated XFS corruption on RAID-10 on Adaptec 51245
Date: Fri, 08 Jun 2012 21:36:58 +0200 [thread overview]
Message-ID: <4FD2545A.40503@internet-sicherheit.de> (raw)
In-Reply-To: <20120608125138.20c79cee@harpe.intellique.com>
Emmanuel,
Am 08.06.2012 12:51, schrieb Emmanuel Florac:
> "Christian J. Dietrich" <dietrich@internet-sicherheit.de> écrivait:
>
>> I am running CentOS 6.2 (=RHEL 6.2) with kernel
>> 2.6.32-220.17.1.el6.x86_64 (most recent) and all OS updates installed.
>> Controller Firmware is the most recent (18948), driver version is
>> 1.1-5. HDDs are 2x WD2001FASS, 10x WD2002FAEX.
>>
>
> I currently manage many servers (about 50) with Adaptec 5xx5 raid
> cards. The only case of data corruption I've met was with WD drives.
>
> Therefore it's most probably related to the WD drives. WD desktop
> drives are well known for being (voluntarily) crippled for RAID
> operation. They will almost always create all sort of weird problems
> when running under high IO load.
>
> It is of utmost importance that you at least take care of setting TLER
> in the correct mode on the drives. Beware that apparently newer WD
> drives don't even allow setting TLER properly anymore (I said
> "crippled").
>
> http://en.wikipedia.org/wiki/Time-Limited_Error_Recovery
Indeed, it seems to be related to the WD HDDs, I am in contact with
Adaptec support and will dig deeper. A couple of disks have comparably
high CommandAborts.
Probably, I will rebuild the RAID volume using disks with proper TLER
support and activate TLER.
Thanks for your help,
Chris
--
Christian J. Dietrich
Institute for Internet Security - if(is)
Westfälische Hochschule University of Applied Sciences
https://www.internet-sicherheit.de
_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs
next prev parent reply other threads:[~2012-06-08 19:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-08 9:45 Repeated XFS corruption on RAID-10 on Adaptec 51245 Christian J. Dietrich
2012-06-08 10:51 ` Emmanuel Florac
2012-06-08 19:36 ` Christian J. Dietrich [this message]
2012-06-09 13:23 ` Emmanuel Florac
2012-06-10 3:58 ` Stan Hoeppner
2012-06-08 13:56 ` Eric Sandeen
2012-06-08 19:33 ` Christian J. Dietrich
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4FD2545A.40503@internet-sicherheit.de \
--to=dietrich@internet-sicherheit.de \
--cc=xfs@oss.sgi.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox