Ok, you appear to be using a replicated cache tier in front of a
replicated base tier. Please scrub both inconsistent pgs and post the
ceph.log from before when you started the scrub until after. Also,
what command are you using to take snapshots?
-Sam
On Thu, Aug 20, 2015 at 3:59 AM, Voloshanenko Igor
<igor.voloshanenko@xxxxxxxxx> wrote:
> Hi Samuel, we try to fix it in trick way.
>
> we check all rbd_data chunks from logs (OSD) which are affected, then query
> rbd info to compare which rbd consist bad rbd_data, after that we mount this
> rbd as rbd0, create empty rbd, and DD all info from bad volume to new one.
>
> But after that - scrub errors growing... Was 15 errors.. .Now 35... We laos
> try to out OSD which was lead, but after rebalancing this 2 pgs still have
> 35 scrub errors...
>
> ceph osd getmap -o <outfile> - attached
>
>
> 2015-08-18 18:48 GMT+03:00 Samuel Just <sjust@xxxxxxxxxx>:
>>
>> Is the number of inconsistent objects growing? Can you attach the
>> whole ceph.log from the 6 hours before and after the snippet you
>> linked above? Are you using cache/tiering? Can you attach the osdmap
>> (ceph osd getmap -o <outfile>)?
>> -Sam
>>
>> On Tue, Aug 18, 2015 at 4:15 AM, Voloshanenko Igor
>> <igor.voloshanenko@xxxxxxxxx> wrote:
>> > ceph - 0.94.2
>> > Its happen during rebalancing
>> >
>> > I thought too, that some OSD miss copy, but looks like all miss...
>> > So any advice in which direction i need to go
>> >
>> > 2015-08-18 14:14 GMT+03:00 Gregory Farnum <gfarnum@xxxxxxxxxx>:
>> >>
>> >> From a quick peek it looks like some of the OSDs are missing clones of
>> >> objects. I'm not sure how that could happen and I'd expect the pg
>> >> repair to handle that but if it's not there's probably something
>> >> wrong; what version of Ceph are you running? Sam, is this something
>> >> you've seen, a new bug, or some kind of config issue?
>> >> -Greg
>> >>
>> >> On Tue, Aug 18, 2015 at 6:27 AM, Voloshanenko Igor
>> >> <igor.voloshanenko@xxxxxxxxx> wrote:
>> >> > Hi all, at our production cluster, due high rebalancing ((( we have 2
>> >> > pgs in
>> >> > inconsistent state...
>> >> >
>> >> > root@temp:~# ceph health detail | grep inc
>> >> > HEALTH_ERR 2 pgs inconsistent; 18 scrub errors
>> >> > pg 2.490 is active+clean+inconsistent, acting [56,15,29]
>> >> > pg 2.c4 is active+clean+inconsistent, acting [56,10,42]
>> >> >
>> >> > From OSD logs, after recovery attempt:
>> >> >
>> >> > root@test:~# ceph pg dump | grep -i incons | cut -f 1 | while read i;
>> >> > do
>> >> > ceph pg repair ${i} ; done
>> >> > dumped all in format plain
>> >> > instructing pg 2.490 on osd.56 to repair
>> >> > instructing pg 2.c4 on osd.56 to repair
>> >> >
>> >> > /var/log/ceph/ceph-osd.56.log:51:2015-08-18 07:26:37.035910
>> >> > 7f94663b3700
>> >> > -1
>> >> > log_channel(cluster) log [ERR] : deep-scrub 2.490
>> >> > f5759490/rbd_data.1631755377d7e.00000000000004da/head//2 expected
>> >> > clone
>> >> > 90c59490/rbd_data.eb486436f2beb.0000000000007a65/141//2
>> >> > /var/log/ceph/ceph-osd.56.log:52:2015-08-18 07:26:37.035960
>> >> > 7f94663b3700
>> >> > -1
>> >> > log_channel(cluster) log [ERR] : deep-scrub 2.490
>> >> > fee49490/rbd_data.12483d3ba0794b.000000000000522f/head//2 expected
>> >> > clone
>> >> > f5759490/rbd_data.1631755377d7e.00000000000004da/141//2
>> >> > /var/log/ceph/ceph-osd.56.log:53:2015-08-18 07:26:37.036133
>> >> > 7f94663b3700
>> >> > -1
>> >> > log_channel(cluster) log [ERR] : deep-scrub 2.490
>> >> > a9b39490/rbd_data.12483d3ba0794b.00000000000037b3/head//2 expected
>> >> > clone
>> >> > fee49490/rbd_data.12483d3ba0794b.000000000000522f/141//2
>> >> > /var/log/ceph/ceph-osd.56.log:54:2015-08-18 07:26:37.036243
>> >> > 7f94663b3700
>> >> > -1
>> >> > log_channel(cluster) log [ERR] : deep-scrub 2.490
>> >> > bac19490/rbd_data.1238e82ae8944a.000000000000032e/head//2 expected
>> >> > clone
>> >> > a9b39490/rbd_data.12483d3ba0794b.00000000000037b3/141//2
>> >> > /var/log/ceph/ceph-osd.56.log:55:2015-08-18 07:26:37.036289
>> >> > 7f94663b3700
>> >> > -1
>> >> > log_channel(cluster) log [ERR] : deep-scrub 2.490
>> >> > 98519490/rbd_data.123e9c2ae8944a.0000000000000807/head//2 expected
>> >> > clone
>> >> > bac19490/rbd_data.1238e82ae8944a.000000000000032e/141//2
>> >> > /var/log/ceph/ceph-osd.56.log:56:2015-08-18 07:26:37.036314
>> >> > 7f94663b3700
>> >> > -1
>> >> > log_channel(cluster) log [ERR] : deep-scrub 2.490
>> >> > c3c09490/rbd_data.1238e82ae8944a.0000000000000c2b/head//2 expected
>> >> > clone
>> >> > 98519490/rbd_data.123e9c2ae8944a.0000000000000807/141//2
>> >> > /var/log/ceph/ceph-osd.56.log:57:2015-08-18 07:26:37.036363
>> >> > 7f94663b3700
>> >> > -1
>> >> > log_channel(cluster) log [ERR] : deep-scrub 2.490
>> >> > 28809490/rbd_data.edea7460fe42b.00000000000001d9/head//2 expected
>> >> > clone
>> >> > c3c09490/rbd_data.1238e82ae8944a.0000000000000c2b/141//2
>> >> > /var/log/ceph/ceph-osd.56.log:58:2015-08-18 07:26:37.036432
>> >> > 7f94663b3700
>> >> > -1
>> >> > log_channel(cluster) log [ERR] : deep-scrub 2.490
>> >> > e1509490/rbd_data.1423897545e146.00000000000009a6/head//2 expected
>> >> > clone
>> >> > 28809490/rbd_data.edea7460fe42b.00000000000001d9/141//2
>> >> > /var/log/ceph/ceph-osd.56.log:59:2015-08-18 07:26:38.548765
>> >> > 7f94663b3700
>> >> > -1
>> >> > log_channel(cluster) log [ERR] : 2.490 deep-scrub 17 errors
>> >> >
>> >> > So, how i can solve "expected clone" situation by hand?
>> >> > Thank in advance!
>> >> >
>> >> >
>> >> >
>> >> > _______________________________________________
>> >> > ceph-users mailing list
>> >> > ceph-users@xxxxxxxxxxxxxx
>> >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> >> >
>> >
>> >
>
>
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