Hi,
I have a lot of space wasted by this problem (about 10GB per OSD, just
for this RBD image).
If OSDs can't detect orphans files, should I manually detect them, then
remove them ?
This command can do the job, at least for this image prefix :
find /var/lib/ceph/osd/ -name 'rb.0.14bfb5a.238e1f29.*' -delete
Thanks for any advice,
Olivier
PS : not sure if this kind of problem is for the user or dev mailing
list.
Le mardi 20 mai 2014 à 11:32 +0200, Olivier Bonvalet a écrit :
> Hi,
>
> short : I removed a 1TB RBD image, but I still see files about it on
> OSD.
>
>
> long :
> 1) I did : "rbd snap purge $pool/$img"
> but since it overload the cluster, I stopped it (CTRL+C)
> 2) latter, "rbd snap purge $pool/$img"
> 3) then, "rbd rm $pool/$img"
>
> now, on the disk I can found files of this v1 RBD image (prefix was
> rb.0.14bfb5a.238e1f29) :
>
> # find /var/lib/ceph/osd/ceph-64/ -name 'rb.0.14bfb5a.238e1f29.*'
> /var/lib/ceph/osd/ceph-64/current/9.5c1_head/DIR_1/DIR_C/DIR_5/DIR_3/rb.0.14bfb5a.238e1f29.000000021431__snapdir_C96635C1__9
> /var/lib/ceph/osd/ceph-64/current/9.5c1_head/DIR_1/DIR_C/DIR_5/DIR_3/rb.0.14bfb5a.238e1f29.000000005622__a252_32F435C1__9
> /var/lib/ceph/osd/ceph-64/current/9.5c1_head/DIR_1/DIR_C/DIR_5/DIR_3/rb.0.14bfb5a.238e1f29.000000021431__a252_C96635C1__9
> /var/lib/ceph/osd/ceph-64/current/9.5c1_head/DIR_1/DIR_C/DIR_5/DIR_3/rb.0.14bfb5a.238e1f29.000000005622__snapdir_32F435C1__9
> /var/lib/ceph/osd/ceph-64/current/9.5c1_head/DIR_1/DIR_C/DIR_5/DIR_9/rb.0.14bfb5a.238e1f29.000000011e08__a172_594495C1__9
> /var/lib/ceph/osd/ceph-64/current/9.5c1_head/DIR_1/DIR_C/DIR_5/DIR_9/rb.0.14bfb5a.238e1f29.000000011e08__snapdir_594495C1__9
> /var/lib/ceph/osd/ceph-64/current/9.5c1_head/DIR_1/DIR_C/DIR_5/DIR_A/rb.0.14bfb5a.238e1f29.000000021620__a252_779FA5C1__9
> ...
>
>
> So, is there a way to force OSD to detect if files are orphans, then
> remove them ?
>
> Thanks,
> Olivier
>
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