Hi,
to answer myself.
With ceph osd crush show-tunables I see a little bit more, but doesn't
know how far away from firefly-tunables I'm at the procuction cluster are.
New testcluster with profile optimal:
ceph osd crush show-tunables
{ "choose_local_tries": 0,
"choose_local_fallback_tries": 0,
"choose_total_tries": 50,
"chooseleaf_descend_once": 1,
"profile": "firefly",
"optimal_tunables": 1,
"legacy_tunables": 0,
"require_feature_tunables": 1,
"require_feature_tunables2": 1}
the production cluster:
ceph osd crush show-tunables
{ "choose_local_tries": 0,
"choose_local_fallback_tries": 0,
"choose_total_tries": 50,
"chooseleaf_descend_once": 0,
"profile": "unknown",
"optimal_tunables": 0,
"legacy_tunables": 0,
"require_feature_tunables": 1,
"require_feature_tunables2": 0}
Look this like argonaut or bobtail?
And how proceed to update?
Does in makes sense first go to profile bobtail and then to firefly?
Regards
Udo
Am 01.12.2014 17:39, schrieb Udo Lembke:
> Hi all,
> http://ceph.com/docs/master/rados/operations/crush-map/#crush-tunables
> described how to set the tunables to legacy, argonaut, bobtail, firefly
> or optimal.
>
> But how can I see, which profile is active in an ceph-cluster?
>
> With "ceph osd getcrushmap" I got not realy much info
> (only "tunable choose_local_tries 0
> tunable choose_local_fallback_tries 0
> tunable choose_total_tries 50)
>
>
> Udo
>
> _
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