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xen-users
Re: [Xen-users] Problem with Xen and OCFS2
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I have exactly the same issue and have posted a couple of times on this list without any response. I'm guessing there's something about file locking on OCFS2 that doesn't work quite right for the xm save process, but I could be wrong. I'm interested to see if you get any hits on this thread that help to track down the problem...
-Nick
>>> On 2009/08/21 at 08:42, Gonçalo Borges<goncalo@xxxxxx> wrote:
Hi All...
I'm testing a Xen solution on an OCFS2 SAN to store VM images.
If I try to save a VM asking to store the file in any Dom0 local dir
(ex: /tmp) everything works fine, and I can properly restore the VM
afterwards. Nevertheless, It I try to save a VM asking to store the
saved file inside the OCFS2 SAN, it fails with the following messages in
xend.log
---*---
[2009-08-21 14:45:25 xend 9720] DEBUG (XendCheckpoint:89) [xc_save]:
/usr/lib64/xen/bin/xc_save 26 9 0 0 0
[2009-08-21 14:45:25 xend 9720] DEBUG (XendCheckpoint:322) suspend
[2009-08-21 14:45:25 xend 9720] DEBUG (XendCheckpoint:92) In
saveInputHandler suspend
[2009-08-21 14:45:25 xend 9720] DEBUG (XendCheckpoint:94) Suspending 9 ...
[2009-08-21 14:45:25 xend.XendDomainInfo 9720] DEBUG
(XendDomainInfo:1036) XendDomainInfo.handleShutdownWatch
[2009-08-21 14:45:25 xend.XendDomainInfo 9720] DEBUG
(XendDomainInfo:1036) XendDomainInfo.handleShutdownWatch
[2009-08-21 14:45:25 xend.XendDomainInfo 9720] INFO (XendDomainInfo:994)
Domain has shutdown: name=migrating-one-0 id=9 reason=suspend.
[2009-08-21 14:45:25 xend 9720] INFO (XendCheckpoint:99) Domain 9 suspended.
[2009-08-21 14:45:25 xend 9720] DEBUG (XendCheckpoint:108) Written done
[2009-08-21 14:45:25 xend 9720] INFO (XendCheckpoint:351) Had 0
unexplained entries in p2m table
[2009-08-21 14:45:25 xend 9720] INFO (XendCheckpoint:351) Saving memory
pages: iter 1 0%ERROR Internal error: Error when writing to state file
(5) (errno 14)
[2009-08-21 14:45:25 xend 9720] INFO (XendCheckpoint:351) Save exit rc=1
[2009-08-21 14:45:25 xend 9720] ERROR (XendCheckpoint:133) Save failed
on domain one-0 (9).
Traceback (most recent call last):
File "/usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py",
line 110, in save
forkHelper(cmd, fd, saveInputHandler, False)
File "/usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py",
line 339, in forkHelper
raise XendError("%s failed" % string.join(cmd))
XendError: /usr/lib64/xen/bin/xc_save 26 9 0 0 0 failed
---*---
It seems I'm not the only one complaining about this issue, according to
the following threads:
http://lists.xensource.com/archives/html/xen-users/2009-04/msg00670.html
http://lists.xensource.com/archives/html/xen-users/2008-09/msg00948.html
I wonder is there is some workaround for the problem?
Cheers
Goncalo
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