# ceph health detail | grep 'ops are blocked'
# ceph osd blocked-by
My guess is that you have an OSD that is in a funky state blocking the requests and the peering. Let me know what the output of those commands are.
Also what are the replica sizes of your 2 pools? It shows that only 1 OSD was last active for the 2 inactive PGs. Not sure yet if that is anything of concern, but didn't want to ignore it.
On Fri, Jun 23, 2017 at 1:16 PM Daniel Davidson <danield@xxxxxxxxxxxxxxxx> wrote:
Two of our OSD systems hit 75% disk utilization, so I added another
system to try and bring that back down. The system was usable for a day
while the data was being migrated, but now the system is not responding
when I try to mount it:
mount -t ceph ceph-0,ceph-1,ceph-2,ceph-3:6789:/ /home -o
name=admin,secretfile=/etc/ceph/admin.secret
mount error 5 = Input/output error
Here is our ceph health
[root@ceph-3 ~]# ceph -s
cluster 7bffce86-9d7b-4bdf-a9c9-67670e68ca77
health HEALTH_ERR
2 pgs are stuck inactive for more than 300 seconds
58 pgs backfill_wait
20 pgs backfilling
3 pgs degraded
2 pgs stuck inactive
76 pgs stuck unclean
2 pgs undersized
100 requests are blocked > 32 sec
recovery 1197145/653713908 objects degraded (0.183%)
recovery 47420551/653713908 objects misplaced (7.254%)
mds0: Behind on trimming (180/30)
mds0: Client biologin-0 failing to respond to capability
release
mds0: Many clients (20) failing to respond to cache pressure
monmap e3: 4 mons at
{ceph-0=172.16.31.1:6789/0,ceph-1=172.16.31.2:6789/0,ceph-2=172.16.31.3:6789/0,ceph-3=172.16.31.4:6789/0}
election epoch 542, quorum 0,1,2,3 ceph-0,ceph-1,ceph-2,ceph-3
fsmap e17666: 1/1/1 up {0=ceph-0=up:active}, 3 up:standby
osdmap e25535: 32 osds: 32 up, 32 in; 78 remapped pgs
flags sortbitwise,require_jewel_osds
pgmap v19199544: 1536 pgs, 2 pools, 786 TB data, 299 Mobjects
1595 TB used, 1024 TB / 2619 TB avail
1197145/653713908 objects degraded (0.183%)
47420551/653713908 objects misplaced (7.254%)
1448 active+clean
58 active+remapped+wait_backfill
17 active+remapped+backfilling
10 active+clean+scrubbing+deep
2 undersized+degraded+remapped+backfilling+peered
1 active+degraded+remapped+backfilling
recovery io 906 MB/s, 331 objects/s
Checking in on the inactive PGs
[root@ceph-control ~]# ceph health detail |grep inactive
HEALTH_ERR 2 pgs are stuck inactive for more than 300 seconds; 58 pgs
backfill_wait; 20 pgs backfilling; 3 pgs degraded; 2 pgs stuck inactive;
78 pgs stuck unclean; 2 pgs undersized; 100 requests are blocked > 32
sec; 1 osds have slow requests; recovery 1197145/653713908 objects
degraded (0.183%); recovery 47390082/653713908 objects misplaced
(7.249%); mds0: Behind on trimming (180/30); mds0: Client biologin-0
failing to respond to capability release; mds0: Many clients (20)
failing to respond to cache pressure
pg 2.1b5 is stuck inactive for 77215.112164, current state
undersized+degraded+remapped+backfilling+peered, last acting [13]
pg 2.145 is stuck inactive for 76910.328647, current state
undersized+degraded+remapped+backfilling+peered, last acting [13]
If I query, then I dont get a response:
[root@ceph-control ~]# ceph pg 2.1b5 query
Any ideas on what to do?
Dan
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