Another workaround would be to delete the object in question using
ceph-objectstore-tool and then do a scrub on the corresponding PG to fix
the absent object.
But I would greatly appreciate if we dissect this case for a bit....
On 11/24/2020 9:55 AM, Milan Kupcevic wrote:
Hello,
Three OSD daemons crash at the same time while processing the same
object located in an rbd ec4+2 pool leaving a placement group in
inactive down state. Soon after I start the osd daemons back up they
crash again choking on the same object.
----------------------------8<------------------------------------
_dump_onode 0x5605a27ca000
4#7:8565da11:::rbd_data.6.a8a8356fd674f.00000000003dce34:head# nid
1889617 size 0x100000 (1048576) expected_object_size 0
expected_write_size 0 in 8 shards, 32768 spanning blobs
----------------------------8<------------------------------------
Please take a look at the attached log file.
Ceph status reports:
Reduced data availability: 1 pg inactive, 1 pg down
Any hints on how to get this placement group back online would be
greatly appreciated.
Milan
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