Hi,
There must be something basic that I am missing but I have an "osd down"
issue and cannot pinpoint which disk need to be replaced
Steps I took
1. "Identify the problem"
cepg osd stat
185 osds: 184 up (since 3d), 184 in (since 3d); epoch: e47876; 941 remapped
pgs
2." identify the OSD"
ceph osd tree | grep down
51 ssd_class 6.98630 osd.51 down 0 1.00000
osd.51 ceph-host-3
stopped 3m ago 9w - 26.1G <unknown>
<unknown> <unknown>
3. "check the block"
ls -al /var/lib/ceph/0cfa836d-68b5-11f0-90bf-7cc2558e5ce8/osd.51
block ->
/dev/ceph-419569a5-9a68-4688-8cf4-17ee450a8659/osd-block-75fe30c3-8cfa-49c7-80a1-6d79c3e4b4e6
4. "find the device"
ls -al
/dev/ceph-419569a5-9a68-4688-8cf4-17ee450a8659/osd-block-75fe30c3-8cfa-49c7-80a1-6d79c3e4b4e6
/dev/dm-7
5. "what type "
blkid /dev/dm-7
/dev/dm-7: TYPE="ceph_bluestore"
This is weird since osd 51 was type "ssd_class" so just a regular OSD
deployed on SSD drive
5. which disk has dm-7
lsblk -o NAME,SERIAL | grep
ceph-419569a5-9a68-4688-8cf4-17ee450a8659/osd-block-75fe30c3-8cfa-49c7-80a1-6d79c3e4b4e6
no results ??
blkid /dev/dm-7
/dev/dm-7: TYPE="ceph_bluestore"
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