tree 24e8d4097a0bf77dfa2d49c04036833896167359
parent 856b284e296a01ab4f1e951eda90d4359e1a28c4
author Serge Bazanski <q3k@hackerspace.pl> 1611329167 +0100
committer Serge Bazanski <q3k@hackerspace.pl> 1611329169 +0100

*: tear down ceph-waw2

It reached the stage of being crapped out so much that the OSDs spurious
IOPS killed the performance of disks colocated on the same M610 RAID
controllers. This made etcd _very_ slow, to the point of churning
through re-elections due to timeouts.

etcd/apiserver latencies, observe the difference at ~15:38:

https://object.ceph-waw3.hswaw.net/q3k-personal/4fbe8d4cfc8193cad307d487371b4e44358b931a7494aa88aff50b13fae9983c.png

I moved gerrit/* and matrix/appservice-irc-freenode PVCs to ceph-waw3 by
hand. The rest were non-critical so I removed them, they can be
recovered from benji backups if needed.

Change-Id: Iffbe87aefc06d8324a82b958a579143b7dd9914c