I think, that yes, LVM is online - both drives preset and LVM operates.
lvs -o lv_tags returns:
ceph.block_device=/dev/osd_vg/osd_lv,ceph.block_uuid=EyUggo-Ja06-MptY-Rt4Q-l6iV-0pse-7Y8rPh,ceph.cephx_lockbox_secret=,ceph.cluster_fsid=31c48e79-7724-49db-a20f-dd86e195972f,ceph.cluster_name=ceph,ceph.crush_device_class=None,ceph.encrypted=0,ceph.osd_fsid=a0aa881c-aa2d-4462-9c2f-cd289810e9e7,ceph.osd_id=23,ceph.type=block,ceph.vdo=0
We deployed everything using ceph-deloy tool, pretty automatic and
without doing anything extra special.
Reason for this setup on this server is because all other OSDs have
1x8tb, but this host has 2x4tb and just 8gb of ram, therefore we did not
want to make two separate OSDs.
Anton
On 04.11.2019 00:49, Paul Emmerich wrote:
On Sun, Nov 3, 2019 at 6:25 PM Anton Aleksandrov <anton@xxxxxxxxxxxxxx> wrote:
Hello community.
We run Ceph on quite old hardware with quite low traffic. Yesterday we
had to reboot one of the OSDs and after reboot it did not came up. The
error message is:
[2019-11-02 15:05:07,317][ceph_volume.process][INFO ] Running command:
/usr/sbin/ceph-volume lvm trigger 22-1c0b3fd7-7d80-4de9-9594-17ac5b2bf92f
[2019-11-02 15:05:07,473][ceph_volume.process][INFO ] stderr -->
RuntimeError: could not find osd.22 with fsid
1c0b3fd7-7d80-4de9-9594-17ac5b2bf92f
This OSD has 2 disks, which are put into one logical volume (basically
raid0) and then used for osd storage.
please don't do that (unless you have very good reason to)
We are quite a beginners with Ceph and this error stuck us. What should
we do? Change fsid (where?)? Right now cluster is in repair-state.. As
the last resort we would drop osd and rebuild it, but it would be very
important for us to understand - what and why happenned. Is it faulty
config or did something bad happen with the disks?
Is the LV online? Do the LV tags look correct? Check lvs -o lv_tags
Paul
Regards,
Anton.
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