[ovirt-users] edit gluster storage domain

[Nir Soffer]

On Tue, Aug 16, 2016 at 7:28 PM, Edward Clay <edward.clay at uk2group.com> wrote:
> So I've run into an issue where I add
> "-obackup-volfile-servers=10.4.16.19:10.4.16.12"

-o is added by vdsm on the host, try:

    backup-volfile-servers=10.4.16.19:10.4.16.12

> to the storage domain
> object and click ok.  Then I get an error that says "Failed to connect
> Host hv5.domain.com to the Storage Domains SANB".  Am I getting the
> mount option correct?  Any thoughts on what I'm doing wrong here?
>
>
> On 08/11/2016 12:38 PM, Nir Soffer wrote:
>> On Thu, Aug 11, 2016 at 9:22 PM, Edward Clay <edward.clay at uk2group.com> wrote:
>>> Hello,  I need to edit a glusterfs storage domain to add the mount
>>> option " backupvolfile-server=SERVER" So when the primary servers IP is
>>> not accessible the remaining servers will be used to retrieve data
>>> stored on the gluster volume.  Right now when I try to edit the storage
>>> domain the mount options box is grayed out and not editable.  I recently
>>> had to take all vms down so I put the HV in maintenance mode and the
>>> edit options wasn't present.
>>>
>>>
>>> I need to understand if this is the correct option to make a glusterfs
>>> volume fault tolerant?
>> Yes.
>>
>>> Also I need to understand how to make this edit in the ovirt web
>>> interface or other method.
>> You need to put the storage domain in maintenance mode, and then
>> you can edit the gluster mount options.
>>
>> This requires either shutting down all the vms using this storage, or
>> if you cannot afford any downtime, you can live-migrate the disks to
>> another storage domain, edit gluster options, and live-migrate the disks
>> back.
>>
>> Nir
>
> --
> Best regards,
> Edward Clay
> Systems Administrator
> UK2 Group - US Operations
> Phone: 1-800-222-2165
> FAX: 435-755-3449
> E-mail: edward.clay at uk2group.com
>
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>