>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'
}
On Fri, May 17, 2019 at 2:31 AM Strahil Nikolov <hunter86...@yahoo.com>
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 <
> bu...@onholyground.com> написа:
>
>
> On May 16, 2019, at 1:41 PM, Nir Soffer <nsof...@redhat.com> wrote:
>
>
> On Thu, May 16, 2019 at 8:38 PM Darrell Budic <bu...@onholyground.com>
> 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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