Create a new crush rule with the correct failure domain, test it
properly and assign it to the pool(s).
--
Beste Grüße, Joachim Kraftmayer
___________________________________
Clyso GmbH
Am 05.05.2021 um 15:11 schrieb Andres Rojas Guerrero:
>
> Nice observation, how can avoid this problem?
>
>
> El 5/5/21 a las 14:54, Robert Sander escribió:
>> Hi,
>>
>> Am 05.05.21 um 13:39 schrieb Joachim Kraftmayer:
>>
>>> the crush rule with ID 1 distributes your EC chunks over the osds
>>> without considering the ceph host. As Robert already suspected.
>>
>> Yes, the "nxtcloudAF" rule is not fault tolerant enough. Having the
OSD
>> as failure zone will lead to data loss or at least intermediate
>> unavailability.
>>
>> The situation is now that all copies (resp. EC chunks) for a PG are
>> stored on OSDs of the same host. These PGs will be unavailable if the
>> host is down.
>>
>> Regards
>>
>>
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>