[ceph-users] upgrade jewel to luminous with ec + cache pool

[Markus Hickel]

Dear all,

i am running a cephfs cluster (jewel 10.2.10) with a ec + cache pool. There is a thread in the ML that states skipping 10.2.11 and going to 11.2.8 is possible, does this work with ec + cache pool aswell ?

I also wanted to ask if there is a recommended migration path from cephfs with ec + cache pool to cephfs with ec pool only ? Creating a second cephfs and moving the files would come to my mind, but maybe there is a smarter way ?

Cheers,
Markus

[David Turner]

Yes, migrating to 12.2.8 is fine. Migrating to not use the cache tier is as
simple as changing the ec pool mode to allow EC over writes, changing the
cache tier mode to forward, flushing the tier, and removing it. Basically
once you have EC over writes just follow the steps in the docs for removing
a cache tier.

Post by Markus Hickel
Dear all,
i am running a cephfs cluster (jewel 10.2.10) with a ec + cache pool.
There is a thread in the ML that states skipping 10.2.11 and going to
11.2.8 is possible, does this work with ec + cache pool aswell ?
I also wanted to ask if there is a recommended migration path from cephfs
with ec + cache pool to cephfs with ec pool only ? Creating a second cephfs
and moving the files would come to my mind, but maybe there is a smarter
way ?
Cheers,
Markus
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[Markus Hickel]

Dear all,

i am running a cephfs cluster (jewel 10.2.10) with a ec + cache pool. I plan on upgrading to luminous around the end of December and wanted to know if this is fine regarding the issues around 12.2.9. It should be fine since 12.2.10 is released I guess ?

Cheers,
Markus

[Konstantin Shalygin]

Post by Markus Hickel
i am running a cephfs cluster (jewel 10.2.10) with a ec + cache pool. I plan on upgrading to luminous around the end of December and wanted to know if this is fine regarding the issues around 12.2.9. It should be fine since 12.2.10 is released I guess ?

Should be fine.



k