Re: Mapping RBD On Ceph Cluster Node

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On Sat, Apr 30, 2016 at 5:32 PM, Oliver Dzombic <info@xxxxxxxxxxxxxxxxx> wrote:
> Hi,
>
> there is a memory allocation bug, at least in hammer.
>

Could you give us any pointer?

> Mouting an rbd volume as a block device on a ceph node might run you
> into that. Then your mount wont work, and you will have to restart the
> OSD daemon(s).
>
> Its generally not a perfectly good idea.
>
> Better use a dedicated client for the mounts.
>
> --
> Mit freundlichen Gruessen / Best regards
>
> Oliver Dzombic
> IP-Interactive
>
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>
> Am 29.04.2016 um 17:30 schrieb Edward Huyer:
>> This is more of a "why" than a "can I/should I" question.
>>
>> The Ceph block device quickstart says (if I interpret it correctly) not to use a physical machine as both a Ceph RBD client and a node for hosting OSDs or other Ceph services.
>>
>> Is this interpretation correct? If so, what is the reasoning? If not, what is it actually saying?
>>
>> Thanks in advance.
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>>
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