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List:       linux-xfs
Subject:    Why does xfsdump encounter "WARNING: could not get list of non-root
From:       Michael Lueck <mlueck () lueckdatasystems ! com>
Date:       2011-12-31 21:50:27
Message-ID: jdo01m$62j$1 () dough ! gmane ! org
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Greetings,

Happy old year! ;-)

Running XFS on Ununtu 10.04 LTS, I have noticed more warnings with XFS dump the \
longer the system has been up. A reboot cuts down on the number of warnings xfsdump \
encounters. An example run of  xfsdump is as follows:

/usr/sbin/xfsdump: using file dump (drive_simple) strategy
/usr/sbin/xfsdump: version 3.0.4 (dump format 3.0) - Running single-threaded
/usr/sbin/xfsdump: level 0 dump of ldslnx01:/srv
/usr/sbin/xfsdump: dump date: Sat Dec 31 15:25:42 2011
/usr/sbin/xfsdump: session id: b56b3cd7-30d6-44b4-a8a4-e131ee70b60d
/usr/sbin/xfsdump: session label: "data"
/usr/sbin/xfsdump: ino map phase 1: constructing initial dump list
/usr/sbin/xfsdump: ino map phase 2: skipping (no pruning necessary)
/usr/sbin/xfsdump: ino map phase 3: skipping (only one dump stream)
/usr/sbin/xfsdump: ino map construction complete
/usr/sbin/xfsdump: estimated dump size: 115786343168 bytes
/usr/sbin/xfsdump: WARNING: no media label specified
/usr/sbin/xfsdump: creating dump session media file 0 (media 0, file 0)
/usr/sbin/xfsdump: dumping ino map
/usr/sbin/xfsdump: dumping directories
/usr/sbin/xfsdump: dumping non-directory files
/usr/sbin/xfsdump: WARNING: could not get list of non-root attributes for nondir ino \
                234778: Cannot allocate memory (12)
/usr/sbin/xfsdump: WARNING: could not get list of non-root attributes for nondir ino \
                234813: Cannot allocate memory (12)
/usr/sbin/xfsdump: WARNING: could not get list of non-root attributes for nondir ino \
                1828443: Cannot allocate memory (12)
/usr/sbin/xfsdump: WARNING: could not get list of root attributes for nondir ino \
                1828443: Cannot allocate memory (12)
/usr/sbin/xfsdump: WARNING: could not get list of non-root attributes for nondir ino \
                2234019: Cannot allocate memory (12)
/usr/sbin/xfsdump: ending media file
/usr/sbin/xfsdump: media file size 115563111376 bytes
/usr/sbin/xfsdump: dump size (non-dir files) : 115472209824 bytes
/usr/sbin/xfsdump: dump complete: 4099 seconds elapsed
/usr/sbin/xfsdump: Dump Status: SUCCESS

Could someone please explain what is going on, and why a freshly rebooted system \
would result in less / no errors?

Sincerely,

-- 
Michael Lueck
Lueck Data Systems
http://www.lueckdatasystems.com/

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