Yeah, this should work as well...
On 9/24/2020 9:32 AM, Michael Fladischer wrote:
> Hi Igor,
>
> Am 23.09.2020 um 18:38 schrieb Igor Fedotov:
>> bin/ceph-bluestore-tool --path dev/osd0 --devs-source
>> dev/osd0/block.wal --dev-target dev/osd0/block.db --command
>> bluefs-bdev-migrate
>
> Would this also work if the OSD only has its primary block device and
> the separate WAL device? Like running:
>
> ceph-bluestore-tool --path dev/osd0 --devs-source dev/osd0/block.wal \
> --dev-target dev/osd0/block --command bluefs-bdev-migrate
>
>> Additionally you might probably need to zap wal device with
>> ceph-volume after the migration to avoid its attachment to OSD on
>> node restart. Not completely sure about that though...
>
> Since the WAL device is just a LV I'd remove the LV once the OSD is
> back up and in.
>
> Thanks,
> Michael
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