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Re: xfsdump INTERRUPT issue

To: xfs@xxxxxxxxxxx
Subject: Re: xfsdump INTERRUPT issue
From: Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>
Date: Tue, 04 Dec 2012 18:32:27 -0600
In-reply-to: <3AB03753-4C96-432B-BC52-BBC52B0745B6@xxxxxxxxx>
References: <50BAB19F.1010808@xxxxxxxxxxxxxxxxx> <CCE2425A.B0475%jellis@xxxxxxxx> <20121203213457.GA32450@dastard> <3AB03753-4C96-432B-BC52-BBC52B0745B6@xxxxxxxxx>
Reply-to: stan@xxxxxxxxxxxxxxxxx
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On 12/3/2012 4:27 PM, Jeffrey Ellis wrote:

xfs_info output and this below is all that is needed at this point.

>> FWIW, this implies that xfsrestore failed. What is the output from
>> xfsrestore? Can you just run xfsdump to a file?

> Can you tell me how to do that and dmesg?

The command you posted

xfsdump -J - /mnt/hr20 | xfsrestore -J - /mnt/fp

pipes the output from xfsdump into xfsrestore.  This error

xfsdump: WARNING: write to stdio failed: 32 (Broken pipe)

tells us something broke while piping into xfsrestore, possibly
xfsrestore itself.  I believe what Dave is asking you is to xfsdump to a
file, then xfsrestore that file.  In two separate operations.  This
should tell us more about where the problem is.

Regarding dmesg information, simply do

~$ dmesg

and copy the output into your email.  It should be a few screen fulls
starting with something like:

Linux version 3.2.6 (root@greer) (gcc version 4.4.5 (Debian 4.4.5-8) )
#1 SMP Mon Feb 20 17:05:10 CST 2012

WRT xfs_info:

~$ cat /etc/mtab
...
/dev/sda6 /home xfs rw 0 0
...

~$ xfs_info /dev/sda6
meta-data=/dev/sda6         isize=256    agcount=4, agsize=6103694 blks
         =                  sectsz=512   attr=2
data     =                  bsize=4096   blocks=24414775, imaxpct=25
         =                  sunit=0      swidth=0 blks
naming   =version 2         bsize=4096   ascii-ci=0
log      =internal          bsize=4096   blocks=11921, version=2
         =                  sectsz=512   sunit=0 blks, lazy-count=0
realtime =none              extsz=4096   blocks=0, rtextents=0


-- 
Stan

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