[Users] 2 node cluster with local storage?

Itamar Heim iheim at redhat.com
Mon Apr 1 14:31:57 UTC 2013


On 04/01/2013 05:26 PM, Itamar Heim wrote:
> On 04/01/2013 04:13 PM, Vijay Bellur wrote:
>> On 04/01/2013 06:13 PM, russell muetzelfeldt wrote:
>>> On 01/04/2013, at 8:53 PM, Itamar Heim <iheim at redhat.com> wrote:
>>>> On 04/01/2013 12:33 PM, russell muetzelfeldt wrote:
>>>>>
>>>>> Is there any supported way (or advice on the best unsupported way)
>>>>> to provision a 2-node cluster using local storage?
>>>>
>>>> have you considered using gluster? if you setup the cluster as
>>>> 'gluster' as well, it should be installed, you should be able to
>>>> create a volume on it, then create a posixfs storage domain using it
>>>> (and in ovirt 3.3, a glusterfs storage domain, which will provide
>>>> better performance)?
>>>
>>>
>>> I've got to admit I'd discounted gluster mainly because I've never
>>> touched it before and assumed the learning curve would distract me
>>> from what I actually want to be doing (getting a reasonably functional
>>> cluster to use as a target for programming against the REST API).
>>>
>>> Is the gluster support reasonably straightforward out of the box? If
>>> so I might give that a go and see how it pans out.
>>
>> Yes, setting up gluster is considered relatively easy. You can reach out
>> for support here and/or on gluster-users mailing list.
>
> or not try to do something like two hosts with local storage in same
> DC/Cluster...
> if this is just for some tests, either put them in different ones, or
> say, enable NFS on one of them and compromise on not using the storage
> from the other one (or NFS on each, and use two NFS storage domains in
> the same DC) - of course a failure of each node in this case will mean
> VMs hosted on it won't be able to run, so it would be similar to just
> having a local storage host alone...

btw, this will hold for gluster as well, unless you use replication. so 
in any case you are limited in capacity.




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