From: Ralf Gross <Ralf-Lists@ralfgross.de>
To: Emmanuel Florac <eflorac@intellique.com>
Cc: xfs@oss.sgi.com
Subject: Re: XFS internal error xfs_da_do_buf(2)
Date: Wed, 22 Sep 2010 21:23:28 +0200 [thread overview]
Message-ID: <20100922192328.GC23326@pirx.askja.de> (raw)
In-Reply-To: <20100922103134.4e652651@galadriel.home>
Emmanuel Florac schrieb:
> Le Wed, 22 Sep 2010 09:26:53 +0200 vous écriviez:
>
> > Infortrend RAID with BBU -> DRBD -> LVM -> XFS
>
> I'm not sure to understand; DRBD is used to mirror devices, are you
> using 2 Infortrend arrays, or one split into two volumes?
yes, 2 drbd/heartbeat nodes, 2 Infortrend systems
> In any case, battery protected write cache shouldn't create any
> corruption (OTOH it will enhance performance dramatically). AFAIK all
> RAID arrays mirror the drives cache in the array cache until it hits
> platters. There may be some "cheating" hard drives (I heard that WD
> isn't always totally clear about cache policies) but Seagate and Hitachi
> professional grade drives definitely are OK. Hint: don't use desktop
> hard drives in any case because they probably cheat about cache
> synchronisation.
The drives are 15000 RPM SAS drives, so no desktops drives. As far as
I understand the documentation, when the "Delayed Drive Write" RAID
option is enabled, there is the possibility of data loss.
> I see that you may have been running rsync at the time of failure; there
> are quite a lot of quite unclear (to me at least) cases of XFS failures
> when running rsync to copy large amount of data. I it a fully 64 bits
> system?
There were many more lines with this error in the logs. Triggered by
smbd, rsync, bacula...
Ralf
_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs
next prev parent reply other threads:[~2010-09-22 19:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-22 7:26 XFS internal error xfs_da_do_buf(2) Ralf Gross
2010-09-22 8:31 ` Emmanuel Florac
2010-09-22 19:23 ` Ralf Gross [this message]
2010-09-22 8:32 ` Dave Chinner
2010-09-22 12:11 ` Ralf Gross
2010-09-22 23:24 ` Dave Chinner
2010-09-23 8:48 ` Ralf Gross
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=20100922192328.GC23326@pirx.askja.de \
--to=ralf-lists@ralfgross.de \
--cc=eflorac@intellique.com \
--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