Hello,
I just upgraded our cluster to 12.2.11 and I have a few questions around straw_calc_version and tunables.
Currently ceph status shows the following:
crush map has straw_calc_version=0
crush map has legacy tunables (require argonaut, min is firefly)
- Will setting tunables to optimal also change the staw_calc_version or do I need to set that separately?
- Right now I have a set of rbd kernel clients connecting using kernel version 4.4. The ‘ceph daemon mon.id
sessions’ command shows that this client is still connecting using the hammer feature set (and a few others on jewel as well):
"MonSession(client.113933130 10.35.100.121:0/3425045489 is open allow *, features 0x7fddff8ee8cbffb (jewel))", “MonSession(client.112250505 10.35.100.99:0/4174610322 is open allow *, features 0x106b84a842a42 (hammer))",
My question is what is the minimum kernel version I would need to upgrade the 4.4 kernel server to in order to get to jewel or luminous?
- Will setting the tunables to optimal on luminous prevent jewel and hammer clients from connecting? I
want to make sure I don’t do anything will prevent my existing clients from connecting to the cluster.
Thanks in advance,
Shain
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Shain Miley | Manager of Systems and Infrastructure, Digital Media | smiley@xxxxxxx | 202.513.3649
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