On 1/27/21 3:51 PM, Konstantin Shalygin wrote:
Martin, also before restart - issue cache drop command
to active mds
Don't do this if you have a large cache. It will make your MDS
unresponsive and replaced by a standby if available. There is a PR to
fix this:
https://github.com/ceph/ceph/pull/36823
I killed a 170 GB MDS this way. YMMV.
Gr. Stefan