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List: linux-xfs
Subject: Re: How long should an xfs_freeze take?
From: Eric Sandeen <sandeen () sgi ! com>
Date: 2002-01-31 22:11:34
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On Thu, 2002-01-31 at 16:04, Chris Pascoe wrote:
> I can repeat this fairly reliably now - do a meaningless rsync across the
> disk (i.e. rsync itself to itself - makes it stat every file on the disk, I
> guess), then try an xfs_freeze after the rsync completes:
>
> rsync -aH /tst1/ /tst1/
> time xfs_freeze -f /tst1
>
> It's been hung there for ~10 minutes now, I've repeated this twice....
> rebooting - will try again... This time it doesn't want to do it.. :(
>
> This time I've done a rsync with real data:
>
> testbox# time rsync -e ssh -avH --stats root@fs:/home/01/ /tst1/ ; time xfs_freeze \
> -f /tst1 ; time xfs_freeze -u /tst1
> Number of files: 602545
> Number of files transferred: 292
> Total file size: 62690390294 bytes
Ok, so the device you're freezing has about 60G in about 600,000 files?
And freeze only takes a very long time if you've poked at each file w/
rsync first? i.e. if you unmount, then remount, xfs_freeze happens
quickly?
(sorry if I'm being pedantic...)
-Eric
--
Eric Sandeen XFS for Linux http://oss.sgi.com/projects/xfs
sandeen@sgi.com SGI, Inc.
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