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From: Michael Monnerie <michael.monnerie@is.it-management.at>
To: xfs@oss.sgi.com
Subject: Re: XFS write cache flush policy
Date: Mon, 10 Dec 2012 21:14:47 +0100	[thread overview]
Message-ID: <1408451.5Ut0G7Wysl@saturn> (raw)
In-Reply-To: <5955806.tSHc7WOiJd@saturn>


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Am Samstag, 8. Dezember 2012, 20:40:07 schrieb Michael Monnerie:
> I'd like to chime in here, with a similar issue: I have Linux on my 
> desktop, xfs is the home partition, 16G RAM. One day my system froze,
> no  chance to do a buffer flush via SYS-S/U/B, I had to press the
> reset button (no power off, just reset). Upon restart, lots of files
> were gone, destroyed, etc, and my KDE desktop wouldn't work anymore.

Similar problem yesterday: this time I could stop KDE, and get a root 
session. Killed all processes by hand, because one xfs partition was 
still open despite "lsof" not showing anything. At last there were only 
a handful processes open, I killed "rsyncd", and suddenly disk I/O was 
100%, looks like it was writing a lot of buffers, the disk was about 15s 
in full activity. I've seen this strange behaviour before (lot and long 
disk activity on reboot), but only now I could trace it down to rsyncd.

I have rsyncd running here as a target, my server is backuped here once 
per night. So it's strange to see it having "something" open. I've moved 
the backup target dir to another partition now, to see if I can see that 
behaviour again.

-- 
mit freundlichen Grüssen,
Michael Monnerie, Ing. BSc

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  parent reply	other threads:[~2012-12-10 20:12 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-06  8:51 XFS write cache flush policy Lin Li
2012-12-08 19:29 ` Matthias Schniedermeyer
2012-12-08 19:40   ` Michael Monnerie
2012-12-08 19:51     ` Joe Landman
2012-12-08 19:53     ` Matthias Schniedermeyer
2012-12-09  7:19       ` Lin Li
2012-12-10  1:01       ` Dave Chinner
2012-12-10 20:14     ` Michael Monnerie [this message]
2012-12-10  0:58   ` Dave Chinner
2012-12-10  9:12     ` Matthias Schniedermeyer
2012-12-10 20:54       ` Eric Sandeen
2012-12-10 21:45         ` Matthias Schniedermeyer
2012-12-11  0:25           ` Dave Chinner
2012-12-10  0:45 ` Dave Chinner

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