Hi Roland,
could you please share the content of thd relevant OSD subfolder?
Also you might want to run:
ceph-bluestore-tool --path <osd-path> --command bluefs-bdev-sizes
to make sure DB/WAL are effectively in use.
Thanks,
Igor
On 8/2/2023 12:04 PM, Roland Giesler wrote:
I need some help with this please. The command below gives and error
which is not helpful to me.
ceph-volume lvm migrate --osd-id 14 --osd-fsid
4de2a617-4452-420d-a99b-9e0cd6b2a99b --from db wal --target
NodeC-nvme1/NodeC-nvme-LV-RocksDB1
--> Source device list is empty
Unable to migrate to : NodeC-nvme1/NodeC-nvme-LV-RocksDB1
Alternatively I have tried to only specify --from db instead of
including wal, but it makes no difference.
Here is the OSD in question.
# ls -la /dev/ceph-025b887e-4f06-468f-845c-0ddf9ad04990/
lrwxrwxrwx 1 root root 7 Dec 25 2022
osd-block-4de2a617-4452-420d-a99b-9e0cd6b2a99b -> ../dm-4
What is happening here? I want to move the DB/WAL to NVMe storage
without trashing the data OSD and having to go through rebalancing for
each drive I do this for.
thanks
Roland
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