Hi all,
last week I installed a new ceph cluster on 3 vm running Ubuntu 14.04 with default kernel.
There is a ceph monitor a two osd hosts. Here are some datails:
ceph -s
cluster c46d5b02-dab1-40bf-8a3d-f8e4a77b79da
health HEALTH_WARN 192 pgs degraded; 192 pgs stuck unclean
monmap e1: 1 mons at {ceph-mon1=10.1.1.83:6789/0}, election epoch 1, quorum 0 ceph-mon1
osdmap e83: 6 osds: 6 up, 6 in
pgmap v231: 192 pgs, 3 pools, 0 bytes data, 0 objects
207 MB used, 30446 MB / 30653 MB avail
192 active+degraded
root@ceph-mon1:/home/ceph# ceph osd dump
epoch 99
fsid c46d5b02-dab1-40bf-8a3d-f8e4a77b79da
created 2014-12-06 13:15:06.418843
modified 2014-12-09 11:38:04.353279
flags
pool 0 'data' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 64 pgp_num 64 last_change 18 flags hashpspool crash_replay_interval 45 stripe_width 0
pool 1 'metadata' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 64 pgp_num 64 last_change 19 flags hashpspool stripe_width 0
pool 2 'rbd' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 64 pgp_num 64 last_change 20 flags hashpspool stripe_width 0
max_osd 6
osd.0 up in weight 1 up_from 90 up_thru 90 down_at 89 last_clean_interval [58,89) 10.1.1.84:6805/995 10.1.1.84:6806/4000995 10.1.1.84:6807/4000995 10.1.1.84:6808/4000995 exists,up e3895075-614d-48e2-b956-96e13dbd87fe
osd.1 up in weight 1 up_from 88 up_thru 0 down_at 87 last_clean_interval [8,87) 10.1.1.85:6800/23146 10.1.1.85:6815/7023146 10.1.1.85:6816/7023146 10.1.1.85:6817/7023146 exists,up 144bc6ee-2e3d-4118-a460-8cc2bb3ec3e8
osd.2 up in weight 1 up_from 61 up_thru 0 down_at 60 last_clean_interval [11,60) 10.1.1.85:6805/26784 10.1.1.85:6802/5026784 10.1.1.85:6811/5026784 10.1.1.85:6812/5026784 exists,up 8d5c7108-ef11-4947-b28c-8e20371d6d78
osd.3 up in weight 1 up_from 95 up_thru 0 down_at 94 last_clean_interval [57,94) 10.1.1.84:6800/810 10.1.1.84:6810/3000810 10.1.1.84:6811/3000810 10.1.1.84:6812/3000810 exists,up bd762b2d-f94c-4879-8865-cecd63895557
osd.4 up in weight 1 up_from 97 up_thru 0 down_at 96 last_clean_interval [74,96) 10.1.1.84:6801/9304 10.1.1.84:6802/2009304 10.1.1.84:6803/2009304 10.1.1.84:6813/2009304 exists,up 7d28a54b-b474-4369-b958-9e6bf6c856aa
osd.5 up in weight 1 up_from 99 up_thru 0 down_at 98 last_clean_interval [79,98) 10.1.1.85:6801/19513 10.1.1.85:6808/2019513 10.1.1.85:6810/2019513 10.1.1.85:6813/2019513 exists,up f4d76875-0e40-487c-a26d-320f8b8d60c5
root@ceph-mon1:/home/ceph# ceph osd tree
# id weight type name up/down reweight
-1 0 root default
-2 0 host ceph-osd1
0 0 osd.0 up 1
3 0 osd.3 up 1
4 0 osd.4 up 1
-3 0 host ceph-osd2
1 0 osd.1 up 1
2 0 osd.2 up 1
5 0 osd.5 up 1
Current HEALTH_WARN state says "192 active+degraded" since I rebooted an osd host. Previously it was "incomplete". It never reached a HEALTH_OK state.
Any hint about what to do next to have an healthy cluster?
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