On Fri, May 17, 2019 at 1:12 AM Nir Soffer <[email protected]> wrote:
> On Thu, May 16, 2019 at 10:12 PM Darrell Budic <[email protected]> > wrote: > >> 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? >> > > I'm not sure who is responsible for changing these settings. oVirt always > required directio, and we > never had to change anything in gluster. > > Sahina, maybe gluster changed the defaults? > > Darrell, please file a bug, probably for RHHI. > Hello Darrell & Nir, Do we have a bug available now for this issue ? I just need to make sure performance.strict-o-direct=on is enabled on that volume. Satheesaran Sundaramoorthi Senior Quality Engineer, RHHI-V QE Red Hat APAC <https://www.redhat.com> <https://red.ht/sig>
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