[ovirt-users] Issue / strange behavior with GlusterFS nodes
Sahina Bose
sabose at redhat.com
Fri Jun 6 09:21:38 UTC 2014
On 06/06/2014 02:03 PM, Joop wrote:
> René Koch wrote:
>> Hi,
>>
>> I have the following oVirt setup:
>> 2 storage hosts with GlusterFS (replicated) - will be extended to 4
>> hosts (distributed-replicated)
>> 4 virtualization hosts
>> 1 datacenter
>> 2 clusters (1 only for virtualization, 1 only for GlusterFS)
>>
>> The strange thing is now:
>> One of the 2 GlusterFS hosts (these hosts and the Gluster volumes are
>> managed by oVirt) fails to mount one of the storage domains, but I
>> can mount it manually.
>>
>> So the first question is: why should these hosts mount the storage
>> domains? They are in a cluster without virtualization, so it's not
>> possible to run virtual machines on these hosts. I think they try to
>> mount the storage domains because the storage domains are attached to
>> the data center, but imho the cluster should be checked as well if
>> virtualization is enabled.
>>
>> So I was thinking of moving the GlusterFS cluster to a new data
>> center without storage domains, but this is impossible as Gluster
>> volumes are created. The only possibility would be to remove the
>> Gluster volume.
>>
>> So do you have any idea how I can solve this issue? I mean the
>> Gluster volume is working fine, but it's really disturbing that I get
>> an error message every 5 minutes.
>>
> Just to let you know you're not the only one with this problem. I have
> had it too a couple of times and still don't know the right
> incantation to get rid of it. I have the same setup: 2 clusters,
> storage and virt, 2 nodes each, one datacenter. Currently on 3.4.1 and
> had the problem on the 3.2/3 series. For me it seemed related to
> upgrading but that could be just chance. It might as well be related
> to a complete shutdown/restart of all machines ( this test setup is
> not behind a ups which gives some rare opportunities to troubleshoot
> problems :-) )
Yes, this is a bug I would think. For a gluster only cluster, the
storage domain is not relevant.
Could you log a bug with the error attached, and we will try to fix
this. If it's a simple enough fix, we could backport it to 3.4
thanks!
sahina
>
> Joop
>
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