Re: Cluster health_warn 1 active+undersized+degraded/1 active+remapped

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Could you share the 'ceph osd tree dump' and CRUSH map dump ?

Thanks,
Guang


----------------------------------------
> Date: Thu, 13 Aug 2015 08:16:09 -0700
> From: sdainard@xxxxxxxx
> To: yangyongpeng@xxxxxxxxxxxxx; ceph-users@xxxxxxxxxxxxxx
> Subject: Re:  Cluster health_warn 1 active+undersized+degraded/1 active+remapped
>
> I decided to set OSD 76 out and let the cluster shuffle the data off
> that disk and then brought the OSD back in. For the most part this
> seemed to be working, but then I had 1 object degraded and 88xxx
> objects misplaced:
>
> # ceph health detail
> HEALTH_WARN 11 pgs stuck unclean; recovery 1/66089446 objects degraded
> (0.000%); recovery 88844/66089446 objects misplaced (0.134%)
> pg 2.e7f is stuck unclean for 88398.251351, current state
> active+remapped, last acting [58,5]
> pg 2.143 is stuck unclean for 13892.364101, current state
> active+remapped, last acting [16,76]
> pg 2.968 is stuck unclean for 13892.363521, current state
> active+remapped, last acting [44,76]
> pg 2.5f8 is stuck unclean for 13892.377245, current state
> active+remapped, last acting [17,76]
> pg 2.81c is stuck unclean for 13892.363443, current state
> active+remapped, last acting [25,76]
> pg 2.1a3 is stuck unclean for 13892.364400, current state
> active+remapped, last acting [16,76]
> pg 2.2cb is stuck unclean for 13892.374390, current state
> active+remapped, last acting [14,76]
> pg 2.d41 is stuck unclean for 13892.373636, current state
> active+remapped, last acting [27,76]
> pg 2.3f9 is stuck unclean for 13892.373147, current state
> active+remapped, last acting [35,76]
> pg 2.a62 is stuck unclean for 86283.741920, current state
> active+remapped, last acting [2,38]
> pg 2.1b0 is stuck unclean for 13892.363268, current state
> active+remapped, last acting [3,76]
> recovery 1/66089446 objects degraded (0.000%)
> recovery 88844/66089446 objects misplaced (0.134%)
>
> I say apparently because with one object degraded, none of the pg's
> are showing degraded:
> # ceph pg dump_stuck degraded
> ok
>
> # ceph pg dump_stuck unclean
> ok
> pg_stat state up up_primary acting acting_primary
> 2.e7f active+remapped [58] 58 [58,5] 58
> 2.143 active+remapped [16] 16 [16,76] 16
> 2.968 active+remapped [44] 44 [44,76] 44
> 2.5f8 active+remapped [17] 17 [17,76] 17
> 2.81c active+remapped [25] 25 [25,76] 25
> 2.1a3 active+remapped [16] 16 [16,76] 16
> 2.2cb active+remapped [14] 14 [14,76] 14
> 2.d41 active+remapped [27] 27 [27,76] 27
> 2.3f9 active+remapped [35] 35 [35,76] 35
> 2.a62 active+remapped [2] 2 [2,38] 2
> 2.1b0 active+remapped [3] 3 [3,76] 3
>
> All of the OSD filesystems are below 85% full.
>
> I then compared a 0.94.2 cluster that was new and had not been updated
> (current cluster is 0.94.2 which had been updated a couple times) and
> noticed the crush map had 'tunable straw_calc_version 1' so I added it
> to the current cluster.
>
> After the data moved around for about 8 hours or so I'm left with this state:
>
> # ceph health detail
> HEALTH_WARN 2 pgs stuck unclean; recovery 16357/66089446 objects
> misplaced (0.025%)
> pg 2.e7f is stuck unclean for 149422.331848, current state
> active+remapped, last acting [58,5]
> pg 2.782 is stuck unclean for 64878.002464, current state
> active+remapped, last acting [76,31]
> recovery 16357/66089446 objects misplaced (0.025%)
>
> I attempted a pg repair on both of the pg's listed above, but it
> doesn't look like anything is happening. The doc's reference an
> inconsistent state as a use case for the repair command so that's
> likely why.
>
> These 2 pg's have been the issue throughout this process so how can I
> dig deeper to figure out what the problem is?
>
> # ceph pg 2.e7f query: http://pastebin.com/jMMsbsjS
> # ceph pg 2.e7f query: http://pastebin.com/0ntBfFK5
>
>
> On Wed, Aug 12, 2015 at 6:52 PM, yangyongpeng@xxxxxxxxxxxxx
> <yangyongpeng@xxxxxxxxxxxxx> wrote:
>> You can try "ceph pg repair pg_id"to repair the unhealth pg."ceph health
>> detail" command is very useful to detect unhealth pgs.
>>
>> ________________________________
>> yangyongpeng@xxxxxxxxxxxxx
>>
>>
>> From: Steve Dainard
>> Date: 2015-08-12 23:48
>> To: ceph-users
>> Subject:  Cluster health_warn 1 active+undersized+degraded/1
>> active+remapped
>> I ran a ceph osd reweight-by-utilization yesterday and partway through
>> had a network interruption. After the network was restored the cluster
>> continued to rebalance but this morning the cluster has stopped
>> rebalance and status will not change from:
>>
>> # ceph status
>> cluster af859ff1-c394-4c9a-95e2-0e0e4c87445c
>> health HEALTH_WARN
>> 1 pgs degraded
>> 1 pgs stuck degraded
>> 2 pgs stuck unclean
>> 1 pgs stuck undersized
>> 1 pgs undersized
>> recovery 8163/66089054 objects degraded (0.012%)
>> recovery 8194/66089054 objects misplaced (0.012%)
>> monmap e24: 3 mons at
>> {mon1=10.0.231.53:6789/0,mon2=10.0.231.54:6789/0,mon3=10.0.231.55:6789/0}
>> election epoch 250, quorum 0,1,2 mon1,mon2,mon3
>> osdmap e184486: 100 osds: 100 up, 100 in; 1 remapped pgs
>> pgmap v3010985: 4144 pgs, 7 pools, 125 TB data, 32270 kobjects
>> 251 TB used, 111 TB / 363 TB avail
>> 8163/66089054 objects degraded (0.012%)
>> 8194/66089054 objects misplaced (0.012%)
>> 4142 active+clean
>> 1 active+undersized+degraded
>> 1 active+remapped
>>
>>
>> # ceph health detail
>> HEALTH_WARN 1 pgs degraded; 1 pgs stuck degraded; 2 pgs stuck unclean;
>> 1 pgs stuck undersized; 1 pgs undersized; recovery 8163/66089054
>> objects degraded (0.012%); recovery 8194/66089054 objects misplaced
>> (0.012%)
>> pg 2.e7f is stuck unclean for 65125.554509, current state
>> active+remapped, last acting [58,5]
>> pg 2.782 is stuck unclean for 65140.681540, current state
>> active+undersized+degraded, last acting [76]
>> pg 2.782 is stuck undersized for 60568.221461, current state
>> active+undersized+degraded, last acting [76]
>> pg 2.782 is stuck degraded for 60568.221549, current state
>> active+undersized+degraded, last acting [76]
>> pg 2.782 is active+undersized+degraded, acting [76]
>> recovery 8163/66089054 objects degraded (0.012%)
>> recovery 8194/66089054 objects misplaced (0.012%)
>>
>> # ceph pg 2.e7f query
>> "recovery_state": [
>> {
>> "name": "Started\/Primary\/Active",
>> "enter_time": "2015-08-11 15:43:09.190269",
>> "might_have_unfound": [],
>> "recovery_progress": {
>> "backfill_targets": [],
>> "waiting_on_backfill": [],
>> "last_backfill_started": "0\/\/0\/\/-1",
>> "backfill_info": {
>> "begin": "0\/\/0\/\/-1",
>> "end": "0\/\/0\/\/-1",
>> "objects": []
>> },
>> "peer_backfill_info": [],
>> "backfills_in_flight": [],
>> "recovering": [],
>> "pg_backend": {
>> "pull_from_peer": [],
>> "pushing": []
>> }
>> },
>> "scrub": {
>> "scrubber.epoch_start": "0",
>> "scrubber.active": 0,
>> "scrubber.waiting_on": 0,
>> "scrubber.waiting_on_whom": []
>> }
>> },
>> {
>> "name": "Started",
>> "enter_time": "2015-08-11 15:43:04.955796"
>> }
>> ],
>>
>>
>> # ceph pg 2.782 query
>> "recovery_state": [
>> {
>> "name": "Started\/Primary\/Active",
>> "enter_time": "2015-08-11 15:42:42.178042",
>> "might_have_unfound": [
>> {
>> "osd": "5",
>> "status": "not queried"
>> }
>> ],
>> "recovery_progress": {
>> "backfill_targets": [],
>> "waiting_on_backfill": [],
>> "last_backfill_started": "0\/\/0\/\/-1",
>> "backfill_info": {
>> "begin": "0\/\/0\/\/-1",
>> "end": "0\/\/0\/\/-1",
>> "objects": []
>> },
>> "peer_backfill_info": [],
>> "backfills_in_flight": [],
>> "recovering": [],
>> "pg_backend": {
>> "pull_from_peer": [],
>> "pushing": []
>> }
>> },
>> "scrub": {
>> "scrubber.epoch_start": "0",
>> "scrubber.active": 0,
>> "scrubber.waiting_on": 0,
>> "scrubber.waiting_on_whom": []
>> }
>> },
>> {
>> "name": "Started",
>> "enter_time": "2015-08-11 15:42:41.139709"
>> }
>> ],
>> "agent_state": {}
>>
>> I tried restarted osd.5/58/76 but no change.
>>
>> Any suggestions?
>> _______________________________________________
>> ceph-users mailing list
>> ceph-users@xxxxxxxxxxxxxx
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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