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Date: Wed, 15 Oct 2014 22:33:46 -0500
From: Eric Sandeen <sandeen@sandeen.net>
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Subject: Re: xfsdump not work in 3.17
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To: Tommy Wu <wu.tommy@gmail.com>, xfs <xfs@oss.sgi.com>

On 10/15/14 9:31 PM, Tommy Wu wrote:
> Hi!
> 
>    xfsdump 3.1.4
>    xfsprogs 3.2.1
>    linux kerenl 3.17/3.17.1
> 

...

>    It just create  a small dump file, and if I run the same xfsdump again (or umount the filesystem), it will hang, like:
> 
> fw1:/vol/backup/fw1# /sbin/xfsdump -v trace,drive=debug,media=debug -l 0 -o -J -F - /dev/vg/root | gzip > test.gz
> /sbin/xfsdump: using file dump (drive_simple) strategy
> /sbin/xfsdump: version 3.1.4 (dump format 3.0)
> /sbin/xfsdump: level 0 dump of fw1.teatime.com.tw:/
> /sbin/xfsdump: dump date: Thu Oct 16 10:30:09 2014
> /sbin/xfsdump: session id: b8354300-d54c-4131-b39c-7c0b63968208
> /sbin/xfsdump: session label: ""
> /sbin/xfsdump: ino map phase 1: constructing initial dump list
> 
> 
>    switch back to kernel 3.16, the same command work fine.
> 

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/fs/xfs?id=a8b1ee8bafc765ebf029d03c5479a69aebff9693

addresses the small backup file, and

[PATCH] xfs: bulkstat doesn't release AGI buffer on error

(on the list) most likely addresses the hang, I think.

-Eric

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