Dear all,
Ceph 0.72.2 is deployed in three hosts. But the ceph's status is HEALTH_WARN .
The status is as follows:
# ceph -s
cluster e25909ed-25d9-42fd-8c97-0ed31eec6194
health HEALTH_WARN 768 pgs degraded; 768 pgs stuck unclean; recovery 2/3
objects degraded (66.667%)
monmap e3: 3 mons at
{ceph-node1=192.168.57.101:6789/0,ceph-node2=192.168.57.102:6789/0,ceph-node3=192.168.57.103:6789/0},
election epoch 34, quorum 0,1,2 ceph-node1,ceph-node2,ceph-node3
osdmap e170: 9 osds: 9 up, 9 in
pgmap v1741: 768 pgs, 7 pools, 36 bytes data, 1 objects
367 MB used, 45612 MB / 45980 MB avail
2/3 objects degraded (66.667%)
768 active+degraded
There are 3 pools created, but 7 pools appears in above ceph status.
# ceph osd lspools
5 data,6 metadata,7 rbd,
The object in pool 'data' justs has one replication. But the pool's replication
is set as 3.
# ceph osd map data object1
osdmap e170 pool 'data' (5) object 'object1' -> pg 5.bac5debc (5.bc) -> up [6]
acting [6]
# ceph osd dump|more
epoch 170
fsid e25909ed-25d9-42fd-8c97-0ed31eec6194
created 2015-03-16 11:23:28.805286
modified 2015-03-19 15:45:39.451077
flags
pool 5 'data' rep size 3 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num
256 pgp_num 256 last_change 155 owner 0
pool 6 'metadata' rep size 2 min_size 1 crush_ruleset 0 object_hash rjenkins
pg_num 256 pgp_num 256 last_change 161 owner 0
pool 7 'rbd' rep size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num
256 pgp_num 256 last_change 163 owner 0
Other info is depicted here.
# ceph osd tree
# id weight type name up/down reweight
-1 0 root default
-7 0 rack rack03
-4 0 host ceph-node3
6 0 osd.6 up 1
7 0 osd.7 up 1
8 0 osd.8 up 1
-6 0 rack rack02
-3 0 host ceph-node2
3 0 osd.3 up 1
4 0 osd.4 up 1
5 0 osd.5 up 1
-5 0 rack rack01
-2 0 host ceph-node1
0 0 osd.0 up 1
1 0 osd.1 up 1
2 0 osd.2 up 1
The crushmap is :
# begin crush map
tunable choose_local_tries 0
tunable choose_local_fallback_tries 0
tunable choose_total_tries 50
tunable chooseleaf_descend_once 1
# devices
device 0 osd.0
device 1 osd.1
device 2 osd.2
device 3 osd.3
device 4 osd.4
device 5 osd.5
device 6 osd.6
device 7 osd.7
device 8 osd.8
# types
type 0 osd
type 1 host
type 2 rack
type 3 row
type 4 room
type 5 datacenter
type 6 root
# buckets
host ceph-node3 {
id -4 # do not change unnecessarily
# weight 0.000
alg straw
hash 0 # rjenkins1
item osd.6 weight 0.000
item osd.7 weight 0.000
item osd.8 weight 0.000
}
rack rack03 {
id -7 # do not change unnecessarily
# weight 0.000
alg straw
hash 0 # rjenkins1
item ceph-node3 weight 0.000
}
host ceph-node2 {
id -3 # do not change unnecessarily
# weight 0.000
alg straw
hash 0 # rjenkins1
item osd.3 weight 0.000
item osd.4 weight 0.000
item osd.5 weight 0.000
}
rack rack02 {
id -6 # do not change unnecessarily
# weight 0.000
alg straw
hash 0 # rjenkins1
item ceph-node2 weight 0.000
}
host ceph-node1 {
id -2 # do not change unnecessarily
# weight 0.000
alg straw
hash 0 # rjenkins1
item osd.0 weight 0.000
item osd.1 weight 0.000
item osd.2 weight 0.000
}
rack rack01 {
id -5 # do not change unnecessarily
# weight 0.000
alg straw
hash 0 # rjenkins1
item ceph-node1 weight 0.000
}
root default {
id -1 # do not change unnecessarily
# weight 0.000
alg straw
hash 0 # rjenkins1
item rack03 weight 0.000
item rack02 weight 0.000
item rack01 weight 0.000
}
# rules
rule data {
ruleset 0
type replicated
min_size 1
max_size 10
step take default
step chooseleaf firstn 0 type host
step emit
}
# end crush map
# ceph health detail |more
HEALTH_WARN 768 pgs degraded; 768 pgs stuck unclean; recovery 2/3 objects
degraded (66.667%)
pg 5.17 is stuck unclean since forever, current state active+degraded, last
acting [6]
pg 6.14 is stuck unclean since forever, current state active+degraded, last
acting [6]
pg 7.15 is stuck unclean since forever, current state active+degraded, last
acting [6]
pg 5.14 is stuck unclean since forever, current state active+degraded, last
acting [6]
pg 6.17 is stuck unclean since forever, current state active+degraded, last
acting [6]
pg 7.16 is stuck unclean since forever, current state active+degraded, last
acting [6]
pg 5.15 is stuck unclean since forever, current state active+degraded, last
acting [6]
pg 6.16 is stuck unclean since forever, current state active+degraded, last
acting [6]
pg 7.17 is stuck unclean since forever, current state active+degraded, last
acting [6]
I had researched this problem for one week, but no solution is found.
Does anyone tell me how to fix it? Thanks!
Regards,
Guanghua
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