Hi,

if you shared your drivegroup config we might be able to help identify your issue. ;-)

The last example in [1] shows the "wal_devices" filter for splitting wal and db.

Regards,
Eugen


[1] https://docs.ceph.com/docs/master/cephadm/drivegroups/#dedicated-wal-db



Zitat von Tony Liu <tonyliu0...@hotmail.com>:

Hi,

I am able to add OSD with primary on HDD, WAL and DB on SSD
on dashboard. LVs are created on SSD for OSDs.
How can I achieve the same by CLI?

I tried with drivegroups, which adds OSD, but not WAL and DB.
Should I handle LV for WAL and DB separately?
Anything I am missing here?


Thanks!

Tony


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