xfsrestore: WARNING: corrupt extent header

[Bill Kendall]

No need to send the debug output, I was able to reproduce
the problem.

Bill

On 02/13/2012 01:14 PM, Bill Kendall wrote:
> Could you please send me the output of xfsrestore using -v 4?
> It'll probably be a lot of output, so compressing and attaching
> it would be best.
>
> Thanks,
> Bill
>
> On 02/12/2012 10:46 PM, Tommy Wu wrote:
>> Hi!
>>
>> OS: Debian squeeze amd64
>> xfsdump 3.0.6
>> xfsprogs 3.1.7
>>
>> It happen when the xfsdump got message like:
>> /sbin/xfsdump: WARNING: could not open regular file ino 33905028 mode
>> 0x00008180: Stale NFS file handle: not dumped
>> /sbin/xfsdump: WARNING: could not get list of non-root attributes for
>> nondir ino 33905028: Stale NFS file handle (116)
>> /sbin/xfsdump: WARNING: could not get list of root attributes for
>> nondir ino 33905028: Stale NFS file handle (116)
>> /sbin/xfsdump: WARNING: could not get list of secure attributes for
>> nondir ino 33905028: Stale NFS file handle (116)
>>
>> when I restore the dump file, it will get this, and it's not
>> restore all files in the dump file:
>> xfsrestore: WARNING: corrupt extent header
>> xfsrestore: WARNING: unable to resync media file: some portion of dump
>> will NOT be restored
>>
>>
>> for example:
>> cmd: /sbin/xfsdump -l 0 -o -p 300 -J -F -M weekly_backup -L var -
>> /dev/sda8 | /bin/gzip -qv | /usr/bin/split -b 1024m --verbose -
>> /vol/backup/fw1/dump.20120211/var.xfsdump.gz.
>> /sbin/xfsdump: using file dump (drive_simple) strategy
>> /sbin/xfsdump: version 3.0.6 (dump format 3.0) - Running single-threaded
>> /sbin/xfsdump: level 0 dump of fw1.teatime.com.tw:/var
>> /sbin/xfsdump: dump date: Sat Feb 11 00:17:41 2012
>> /sbin/xfsdump: session id: 54572680-8778-49e0-b6bd-635747c47de3
>> /sbin/xfsdump: session label: "var"
>> /sbin/xfsdump: ino map phase 1: constructing initial dump list
>> /sbin/xfsdump: ino map phase 2: skipping (no pruning necessary)
>> /sbin/xfsdump: ino map phase 3: skipping (only one dump stream)
>> /sbin/xfsdump: ino map construction complete
>> /sbin/xfsdump: estimated dump size: 598793856 bytes
>> /sbin/xfsdump: creating dump session media file 0 (media 0, file 0)
>> /sbin/xfsdump: dumping ino map
>> /sbin/xfsdump: dumping directories
>> /sbin/xfsdump: dumping non-directory files
>> /sbin/xfsdump: WARNING: could not open regular file ino 33905028 mode
>> 0x00008180: Stale NFS file handle: not dumped
>> /sbin/xfsdump: WARNING: could not get list of non-root attributes for
>> nondir ino 33905028: Stale NFS file handle (116)
>> /sbin/xfsdump: WARNING: could not get list of root attributes for
>> nondir ino 33905028: Stale NFS file handle (116)
>> /sbin/xfsdump: WARNING: could not get list of secure attributes for
>> nondir ino 33905028: Stale NFS file handle (116)
>> /sbin/xfsdump: ending media file
>> /sbin/xfsdump: media file size 549085392 bytes
>> /sbin/xfsdump: dump size (non-dir files) : 543886560 bytes
>> /sbin/xfsdump: dump complete: 46 seconds elapsed
>> /sbin/xfsdump: Dump Status: SUCCESS
>> 60.6%
>> creating file `/vol/backup/fw1/dump.20120211/var.xfsdump.gz.aa'
>>
>> then test or restore from this dump file:
>> mail:/vol/backup/fw1/dump.20120211# cat var.xfsdump.gz.aa | gzip -dqv
>> | xfsrestore -v silent -p 300 -J -t - | grep ^xfsrestore:
>> xfsrestore: WARNING: corrupt extent header
>> xfsrestore: WARNING: unable to resync media file: some portion of dump
>> will NOT be restored
>>
>>
>> It seems only happen in /var partition, and it's not always happen.
>>
>
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