[ovirt-users] configuring gluster volumes/bricks from ovirt ??

[knarra]

On 05/04/2017 12:28 PM, knarra wrote:
> On 05/03/2017 07:44 PM, Matthias Leopold wrote:
>> hi,
>>
>>
>> i'm trying to get into this gluster thing with oVirt and added a 2 
>> node gluster cluster to my oVirt 4.1 data center (just for testing, i 
>> know it can't have HA with 2 nodes). provisioning of the storage 
>> hosts did apparently work and my storage cluster seems to be 
>> operational.
>>
>> i have very little understanding of glusterfs right know, but what i 
>> think i am missing in the interface is a way to configure 
>> volumes/bricks on my gluster cluster/hosts so i can use them for 
>> storage domains (i want to use a "managed gluster volume"), the drop 
>> down "Gluster" in "New domain" is empty. all i could find for storage 
>> specific UI was the "Services" tab for the storage cluster which is 
>> empty.
> once gluster hosts are added into the UI, user will be able to see 
> volumes created on that hosts and to use them as storage domains. For 
> this you will need to create a new storage domain with the mount path 
> as gluster volume path.
>>
>> i'm not using a hyperconverged/self-hosted setup, my engine is 
>> located on a dedicated server and i used iSCSI storage for data 
>> master domain. my hosts (for hypervisors and gluster storage) where 
>> installed on top of centos7, not using oVirt Node.
>>
>> does my setup make sense (it's only for testing)?
>> do i have to configure gluster hosts manually?
> yes, you will have to do this manually .
Installing gluster packages have to done manually. Once gluster packages 
are installed you can create a gluster cluster from ovirt UI , add 
gluster hosts and create volumes on them using the volumes tab.
>> do i need more than 2 storage hosts when i want to configure gluster 
>> with ovirt (in hyperconverged setup 3 hosts are mandatory)?
> It is always recommended to have 3 hosts as we say that in replica 3 
> volumes there is less / no chance to see split brain issues. For hyper 
> converged setup 3 hosts are mandatory.
>> do i need oVirt Node/cockpit on the storage hosts to do further 
>> configuration?
> you can reduce the pain of configuring gluster hosts manually if we 
> cockpit on centos7 / Ovirt Node.
>>
>> thanks a lot for reading
>> matthias
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>
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