Frank Schilder <frans@xxxxxx> writes:
>> To me it looks like the structure of both maps is pretty much the same -
>> or am I mistaken?
>
> Yes, but you are not Marc Roos. Do you work on the same cluster or do
> you observe the same problem?
No, but we recently also noticed that rebuilding one pool ("ssd")
influenced speed on other pools, which was unexpected.
> In any case, here is a thread pointing to the crush tree/rule
> conversion I mentioned:
> https://lists.ceph.io/hyperkitty/list/ceph-users@xxxxxxx/thread/675QZ2JXXX4RPRNPK2NL7FB5MVANKUB2/#675QZ2JXXX4RPRNPK2NL7FB5MVANKUB2
Thanks will check it out.
> The tool is "crushtool reclassify" and is recommended to use when upgrading from luminous to newer to convert crush rules to use device classes.
Same here - thanks a lot for the pointers!
Cheers,
Nico
--
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