Hello!
I have 5 nodes , 3 with osd 1 from which contain also mon and mds .
And 2 with mds and mon only.
After migration to Ubuntu 16.04 LTS from 14.04 LTS i've rebuild my cluster
and got error on mount as kernel driver "can't read superblock".
I've tried to mount as fuse but not solve this problem. Update kernel to newest version not helped too.
Info:
kernel 4.8.1-040801-generic
ps -A | grep ceph
14985 ? 00:11:19 ceph-mon
15545 ? 00:10:08 ceph-osd
16462 ? 00:01:12 ceph-mds
16699 ? 00:00:00 ceph-msgr
ceph -s
cluster
health HEALTH_OK
monmap e1: 3 mons at {c11=172.22.22.41:6789/0,smtp11=172.22.22.61:6789/0,smtp12=172.22.22.62:6789/0}
election epoch 4, quorum 0,1,2 c11,smtp11,smtp12
osdmap e15: 3 osds: 3 up, 3 in
flags sortbitwise
pgmap v2272: 64 pgs, 1 pools, 0 bytes data, 0 objects
15461 MB used, 8196 GB / 8211 GB avail
64 active+clean
Thank's alot for any help.
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