On Fri, May 17, 2019 at 7:54 AM Gobinda Das <[email protected]> wrote:
> From RHHI side default we are setting below volume options:
>
> { group: 'virt',
> storage.owner-uid: '36',
> storage.owner-gid: '36',
> network.ping-timeout: '30',
> performance.strict-o-direct: 'on',
> network.remote-dio: 'off'
>
According to the user reports, this configuration is not compatible with
oVirt.
Was this tested?
}
>
>
> On Fri, May 17, 2019 at 2:31 AM Strahil Nikolov <[email protected]>
> wrote:
>
>> Ok, setting 'gluster volume set data_fast4 network.remote-dio on'
>> allowed me to create the storage domain without any issues.
>> I set it on all 4 new gluster volumes and the storage domains were
>> successfully created.
>>
>> I have created bug for that:
>> https://bugzilla.redhat.com/show_bug.cgi?id=1711060
>>
>> If someone else already opened - please ping me to mark this one as
>> duplicate.
>>
>> Best Regards,
>> Strahil Nikolov
>>
>>
>> В четвъртък, 16 май 2019 г., 22:27:01 ч. Гринуич+3, Darrell Budic <
>> [email protected]> написа:
>>
>>
>> On May 16, 2019, at 1:41 PM, Nir Soffer <[email protected]> wrote:
>>
>>
>> On Thu, May 16, 2019 at 8:38 PM Darrell Budic <[email protected]>
>> wrote:
>>
>> I tried adding a new storage domain on my hyper converged test cluster
>> running Ovirt 4.3.3.7 and gluster 6.1. I was able to create the new gluster
>> volume fine, but it’s not able to add the gluster storage domain (as either
>> a managed gluster volume or directly entering values). The created gluster
>> volume mounts and looks fine from the CLI. Errors in VDSM log:
>>
>> ...
>>
>> 2019-05-16 10:25:09,584-0500 ERROR (jsonrpc/5) [storage.fileSD] Underlying
>> file system doesn't supportdirect IO (fileSD:110)
>> 2019-05-16 10:25:09,584-0500 INFO (jsonrpc/5) [vdsm.api] FINISH
>> createStorageDomain error=Storage Domain target is unsupported: ()
>> from=::ffff:10.100.90.5,44732, flow_id=31d993dd,
>> task_id=ecea28f3-60d4-476d-9ba8-b753b7c9940d (api:52)
>>
>>
>> The direct I/O check has failed.
>>
>>
>> So something is wrong in the files system.
>>
>> To confirm, you can try to do:
>>
>> dd if=/dev/zero of=/path/to/mountoint/test bs=4096 count=1 oflag=direct
>>
>> This will probably fail with:
>> dd: failed to open '/path/to/mountoint/test': Invalid argument
>>
>> If it succeeds, but oVirt fail to connect to this domain, file a bug and
>> we will investigate.
>>
>> Nir
>>
>>
>> Yep, it fails as expected. Just to check, it is working on pre-existing
>> volumes, so I poked around at gluster settings for the new volume. It has
>> network.remote-dio=off set on the new volume, but enabled on old volumes.
>> After enabling it, I’m able to run the dd test:
>>
>> [root@boneyard mnt]# gluster vol set test network.remote-dio enable
>> volume set: success
>> [root@boneyard mnt]# dd if=/dev/zero of=testfile bs=4096 count=1
>> oflag=direct
>> 1+0 records in
>> 1+0 records out
>> 4096 bytes (4.1 kB) copied, 0.0018285 s, 2.2 MB/s
>>
>> I’m also able to add the storage domain in ovirt now.
>>
>> I see network.remote-dio=enable is part of the gluster virt group, so
>> apparently it’s not getting set by ovirt duding the volume creation/optimze
>> for storage?
>>
>>
>>
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>>
>
>
> --
>
>
> Thanks,
> Gobinda
>
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