thank you for this idea, it has improved the situation. Nevertheless,
there are still 2 PGs in recovery_wait. ceph -s gives me:
cluster:
id: 23e72372-0d44-4cad-b24f-3641b14b86f4
health: HEALTH_WARN
3/125481112 objects unfound (0.000%)
Degraded data redundancy: 3/497011315 objects degraded
(0.000%), 2 pgs degraded
services:
mon: 3 daemons, quorum ceph-node03,ceph-node01,ceph-node02
mgr: ceph-node01(active), standbys: ceph-node01.etp.kit.edu
mds: cephfs-1/1/1 up {0=ceph-node03.etp.kit.edu=up:active}, 3
up:standby
osd: 96 osds: 96 up, 96 in
data:
pools: 2 pools, 4096 pgs
objects: 125.48M objects, 259TiB
usage: 370TiB used, 154TiB / 524TiB avail
pgs: 3/497011315 objects degraded (0.000%)
3/125481112 objects unfound (0.000%)
4083 active+clean
10 active+clean+scrubbing+deep
2 active+recovery_wait+degraded
1 active+clean+scrubbing
io:
client: 318KiB/s rd, 77.0KiB/s wr, 190op/s rd, 0op/s wr
and ceph health detail:
HEALTH_WARN 3/125481112 objects unfound (0.000%); Degraded data
redundancy: 3/497011315 objects degraded (0.000%), 2 p
gs degraded
OBJECT_UNFOUND 3/125481112 objects unfound (0.000%)
pg 1.24c has 1 unfound objects
pg 1.779 has 2 unfound objects
PG_DEGRADED Degraded data redundancy: 3/497011315 objects degraded
(0.000%), 2 pgs degraded
pg 1.24c is active+recovery_wait+degraded, acting [32,4,61,36], 1
unfound
pg 1.779 is active+recovery_wait+degraded, acting [50,4,77,62], 2
unfound
also the status changed form HEALTH_ERR to HEALTH_WARN. We also did ceph
osd down for all OSDs of the degraded PGs. Do you have any further
suggestions on how to proceed?
On 23.05.19 11:08 vorm., Dan van der Ster wrote:
I think those osds (1, 11, 21, 32, ...) need a little kick to re-peer
their degraded PGs.
Open a window with `watch ceph -s`, then in another window slowly do
ceph osd down 1
# then wait a minute or so for that osd.1 to re-peer fully.
ceph osd down 11
...
Continue that for each of the osds with stuck requests, or until there
are no more recovery_wait/degraded PGs.
After each `ceph osd down...`, you should expect to see several PGs
re-peer, and then ideally the slow requests will disappear and the
degraded PGs will become active+clean.
If anything else happens, you should stop and let us know.
-- dan
On Thu, May 23, 2019 at 10:59 AM Kevin Flöh <kevin.fl...@kit.edu> wrote:
This is the current status of ceph:
cluster:
id: 23e72372-0d44-4cad-b24f-3641b14b86f4
health: HEALTH_ERR
9/125481144 objects unfound (0.000%)
Degraded data redundancy: 9/497011417 objects degraded
(0.000%), 7 pgs degraded
9 stuck requests are blocked > 4096 sec. Implicated osds
1,11,21,32,43,50,65
services:
mon: 3 daemons, quorum ceph-node03,ceph-node01,ceph-node02
mgr: ceph-node01(active), standbys: ceph-node01.etp.kit.edu
mds: cephfs-1/1/1 up {0=ceph-node03.etp.kit.edu=up:active}, 3
up:standby
osd: 96 osds: 96 up, 96 in
data:
pools: 2 pools, 4096 pgs
objects: 125.48M objects, 259TiB
usage: 370TiB used, 154TiB / 524TiB avail
pgs: 9/497011417 objects degraded (0.000%)
9/125481144 objects unfound (0.000%)
4078 active+clean
11 active+clean+scrubbing+deep
7 active+recovery_wait+degraded
io:
client: 211KiB/s rd, 46.0KiB/s wr, 158op/s rd, 0op/s wr
On 23.05.19 10:54 vorm., Dan van der Ster wrote:
What's the full ceph status?
Normally recovery_wait just means that the relevant osd's are busy
recovering/backfilling another PG.
On Thu, May 23, 2019 at 10:53 AM Kevin Flöh <kevin.fl...@kit.edu> wrote:
Hi,
we have set the PGs to recover and now they are stuck in
active+recovery_wait+degraded and instructing them to deep-scrub does not
change anything. Hence, the rados report is empty. Is there a way to stop the
recovery wait to start the deep-scrub and get the output? I guess the
recovery_wait might be caused by missing objects. Do we need to delete them
first to get the recovery going?
Kevin
On 22.05.19 6:03 nachm., Robert LeBlanc wrote:
On Wed, May 22, 2019 at 4:31 AM Kevin Flöh <kevin.fl...@kit.edu> wrote:
Hi,
thank you, it worked. The PGs are not incomplete anymore. Still we have
another problem, there are 7 PGs inconsistent and a cpeh pg repair is
not doing anything. I just get "instructing pg 1.5dd on osd.24 to
repair" and nothing happens. Does somebody know how we can get the PGs
to repair?
Regards,
Kevin
Kevin,
I just fixed an inconsistent PG yesterday. You will need to figure out why they
are inconsistent. Do these steps and then we can figure out how to proceed.
1. Do a deep-scrub on each PG that is inconsistent. (This may fix some of them)
2. Print out the inconsistent report for each inconsistent PG. `rados
list-inconsistent-obj <PG_NUM> --format=json-pretty`
3. You will want to look at the error messages and see if all the shards have
the same data.
Robert LeBlanc
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