Hello
> Hi Martin,
>
> On 06/05/2012 08:07 PM, Martin Wilderoth wrote:
> > Hello
> >
> > Is there a way to recover this error.
> >
> > mount -t ceph 10.0.6.10:/ /mnt -vv -o
> > name=admin,secret=XXXXXXXXXXXXXXXXXXXXXXX
> > [ 506.640433] libceph: loaded (mon/osd proto 15/24, osdmap 5/6 5/6)
> > [ 506.650594] ceph: loaded (mds proto 32)
> > [ 506.652353] libceph: client0 fsid a9d5f9e1-4bb9-4fab-b79b-ba4457631b01
> > [ 506.670876] Intel AES-NI instructions are not detected.
> > [ 506.678861] libceph: mon0 10.0.6.10:6789 session established
> > mount: 10.0.6.10:/: can't read superblock
> >
>
> Could you share some more information? For example the output from: ceph -s
2012-06-05 20:25:05.307914 pg v1189604: 1152 pgs: 1152 active+clean; 191 GB
data, 393 GB used, 973 GB / 1379 GB avail
2012-06-05 20:25:05.315871 mds e60: 1/1/1 up {0=c=up:replay}, 2 up:standby
2012-06-05 20:25:05.315965 osd e1106: 8 osds: 8 up, 8 in
2012-06-05 20:25:05.316165 log 2012-06-05 20:24:50.425527 mon.0
10.0.6.10:6789/0 75 : [INF] mds.? 10.0.6.11:6800/22974 up:boot
2012-06-05 20:25:05.316371 mon e1: 3 mons at
{a=10.0.6.10:6789/0,b=10.0.6.11:6789/0,c=10.0.6.12:6789/0}
>
> Did you change anything to the cluster since it worked? And what version
> are you running?
I have not done any changes installed at version 0.46 upgraded earlier and have
been testing with
ceph and ceph-fuse and backuppc. It was during the ceph-fuse it hanged.
Current version
ceph version 0.47.2 (commit:8bf9fde89bd6ebc4b0645b2fe02dadb1c17ad372)
> > One of my mds logs has 24G of data.
>
> Is it still running?
I have restarted mds.a and mds.b they seems to be running. But not everything.
mds.a was stoped not sure mds.b but it has a big logfile.
>
> >
> > I have some rbd devices that I would like to keep.
>
> RBD doesn't use the MDS nor the POSIX filesystem, so you will probably
> be fine, but we need the output of "ceph -s" first.
>
> Does this work?
> $ rbd ls
this works I'm still using the rbd with no problem
> $ rados -p rbd ls
seems to work reports something simmilar to
rb.0.2.00000000052e
rb.0.0.0000000002f2
rb.0.7.000000000345
rb.0.7.000000000896
rb.0.0.000000000102
rb.0.9.000000000172
rb.0.1.000000000350
rb.0.4.000000000180
rb.0.4.00000000068b
rb.0.5.00000000054c
rb.0.2.0000000001e1
> Wido
>
> >
> > /Regards Martin
> >
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