And also the erasure coded profile, so an example on my cluster would be:
$ ceph osd pool get objects.rgw.buckets.data erasure_code_profile
erasure_code_profile: objects_ecprofile
$ ceph osd erasure-code-profile get objects_ecprofile
crush-device-class=
crush-failure-domain=host
crush-root=default
jerasure-per-chunk-alignment=false
k=2
m=1
plugin=jerasure
technique=reed_sol_van
w=8
On 11/11/20 12:46 PM, Hans van den Bogert wrote:
Can you show a `ceph osd tree` ?
On 11/7/20 1:14 AM, seffyroff@xxxxxxxxx wrote:
I've inherited a Ceph Octopus cluster that seems like it needs urgent
maintenance before data loss begins to happen. I'm the guy with the
most Ceph experience on hand and that's not saying much. I'm
experiencing most of the ops and repair tasks for the first time here.
Ceph health output looks like this:
HEALTH_WARN Degraded data redundancy: 3640401/8801868 objects degraded
(41.359%),
128 pgs degraded, 128 pgs undersized; 128 pgs not deep-scrubbed in
time;
128 pgs not scrubbed in time
Ceph -s output: https://termbin.com/i06u
The crush rule 'cephfs.media' is here: https://termbin.com/2klmq
So, it seems like all PGs are in a 'warning' state for the main pool,
which is erasure coded and 11TiB across 4 OSDs, of which around 6.4TiB
is used. The Ceph services themselves seem happy, they're stable and
have Quorum. I'm able to access the web panel fine also. The block
devices are of different sizes and types (2 large, different sized
spinners, and 2 identical SSDs)
I would welcome any pointers on what my steps to bring this up to full
health may be. If it's undersized, can I simply add another block
device/OSD? Or perhaps adjusting config somewhere will get it to
rebalance successfully? (the rebalance jobs have been stuck at 0% for
weeks)
Thank you for your time reading this message.
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