I think you should be able create a gluster volume from the local LUN on each server and
use these to create 2 storage domains.
They should then be shared storage but not replicated so if a host goes down you will
loose that domain.
Maybe you will need to alter the fencing policy?
Regards,
Paul S.
________________________________
From: Tom <tk(a)mdevsys.com>
Sent: 10 October 2019 11:04
To: Strahil <hunter86_bg(a)yahoo.com>
Cc: users <users(a)ovirt.org>
Subject: [ovirt-users] Re: Trying to add a LUN to a host and use that, instead of Gluster,
as the datastore for my VM's.
I take it then theres no way to do so without NFS?
Sent from my iPhone
On Oct 10, 2019, at 2:53 AM, Strahil <hunter86_bg(a)yahoo.com>
wrote:
You can create an NFS on that host and export to itself that local storage...
Best Regards,
Strahil NikolovOn Oct 9, 2019 07:43, TomK <tomkcpr(a)mdevsys.com> wrote:
>
> Manged to reverse it through the options. Had to deactivate the custom
> local cluster.
>
> Now I have my GlusterFS back and want to try and add some local storage
> to each host under the same DC, Cluster and Storage Domain. So
> effectively I will have two storage locations. One on my GlusterFS and
> the other on the local storage I've just defined.
>
> Appears I can't make them coexist with oVirt. Either the host is placed
> in a separate cluster with local storage, or I move it back to the
> GlusterFS.
>
> Appears I can't have two usable storage types under one host. Is this
> correct?
>
> What I'm looking for is in the image and shared earlier.
>
> Cheers,
> TK
>
>> On 10/8/2019 11:03 PM, TomK wrote:
>> I'm working to reverse this scenario.
>>
>> My storage domain still exists. However I can't activate it. The
>> Manage button is greyed out without clear indication as to why.
>> Difficult to tell what my next move should be.
>>
>> Anyway to find out?
>>
>> Cheers,
>> TK
>>
>>> On 10/7/2019 8:25 AM, TomK wrote:
>>> Allright.
>>>
>>> So I followed this and configured local storage. It had some default
>>> names that I changed. It would have been either the default name, or
>>> one I choose. In either case it would be a different name then the
>>> Gluster storage domain the host was a part of anyway.
>>>
>>> Once the process completed for both hosts, I noticed the Gluster
>>> volume storage domain was offline and the gluster volume was gone. I
>>> can't seem to add that back in anymore. I get:
>>>
>>> "Error while executing action DisconnectStorageServerConnection: Error
>>> storage server disconnection"
>>>
>>> Guessing I can't have local storage in addition to Gluster on the same
>>> hosts and available for VM's?
>>>
>>> Reason why I need that is that Gluster is slow but provides redundancy
>>> and live migration. But I also wanted direct storage for VM's
>>> requiring faster IO. So here's my scenario:
>>>
>>> host01
>>> /dev/sda OS
>>> /dev/sdb 4TB (For Gluster)
>>> /dev/sdc 4TB (For Local Storage)
>>>
>>> host02
>>> /dev/sda OS
>>> /dev/sdb 4TB (For Gluster)
>>> /dev/sdc 4TB (For Local Storage)
>>>
>>> I would like to have:
>>>
>>> 1) GlusterFS volume available to oVirt via the two /dev/sdb drives in
>>> both physical hosts.
>>> 2) Two locally attached LUN's, each separate and local to that
>>> physical host.
>>>
>>> Is this possible?
>>>
>>> Cheers,
>>> TK
>>>
>>>> On 10/6/2019 12:38 AM, Strahil wrote:
>>>> Hi Tom,
>>>>
>>>> Have you checked
>>>>
https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Faccess....
>>>> ?
>>>>
>>>> Best Regards,
>>>> Strahil NikolovOn Oct 6, 2019 06:26, TomK <tomkcpr(a)mdevsys.com>
wrote:
>>>>>
>>>>> Hey All,
>>>>>
>>>>> I've added a 4TB LUN to my physical storage and now I want to use
that,
>>>>> instead of GlusterFS as my datastore for VM's on that physical.
How do
>>>>> I do this?
>>>>>
>>>>> I've tried a number of options, including adding LUN's but
appears I
>>>>> can
>>>>> only add them to VM's directly but not use them as my datastores
>>>>> instead
>>>>> of GlusterFS.
>>>>>
>>>>> --
>>>>> Thx,
>>>>> TK.
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>>>
>>>
>>
>>
>
>
> --
> Thx,
> TK.
>
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