Vladimir: you can do some investigation with the rados command. What does
rados -p rbd ls show you?
On 07/08/2012 10:42 PM, Vladimir Bashkirtsev wrote:
Hello,
I just hit this error:
error opening image sip.logics.net.au: (2) No such file or directory
2012-07-09 15:03:59.935835 7ffbe0673780 -1 librbd: error finding
header: (2) No such file or directory
Googled around and found that Oliver Francke had similar issue back in
March. Read your responses but still unclear where to start to dig.
Just upgraded from 0.47.3 to 0.48, done rolling upgrade and all RBD
images are OK with exception of this one. Notably as upgrade was done
while VM was up it continued to run unaffected (ie all data inside of
VM was written and read as nothing happened). It makes me think that
there no data loss but mere broken header.
Of course I have a backup of VM and can pull it back in no time but I
am really interested (and I am sure other ceph users) how to recover
from such failures?
Regards,
Vladimir
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