[Users] Anyone started working on the documentation for GlusterFS and Ovirt 3.1 yet?

[Robert Middleswarth]

On 06/11/2012 02:11 AM, Shireesh Anjal wrote:
> On Sunday 10 June 2012 02:02 AM, Robert Middleswarth wrote:
>> On 06/09/2012 11:33 AM, Haim Ateya wrote:
>>> adding Shireesh\Daniel
>>>
>>> Hi Robert,
>>>
>>> afaik, there is no official documentation that show's how to work
>>> with glusterFS using oVirt since its too new and we are in early 
>>> integration phases (shireesh, correct me if i'm wrong).
>> That is why I asked is anyone has started working on the doc's
>
> Here is the feature page: http://ovirt.org/wiki/Features/Gluster_Support
> We intend to add more documentation soon, though nothing else is 
> available right now.
>
>>> I would start by browsing tohttp://www.gluster.org/  and read about 
>>> the underlying technology (glusterFS, admin guide is good place to 
>>> start).
>> Read though there doc's but wasn't sure how much needed to be done 
>> using native glusterfs tools and how much is done using ovirt engine 
>> because of the fact it was recently integrated means there are still 
>> likely holes in the process.
>
> Most of the features mentioned in the feature page, except async tasks 
> (rebalance volume, migrate brick) and bootstrapping changes are 
> currently available from UI and REST api. You should run engine with 
> the option "InstallVds" set to false and SSL disabled (on both engine 
> and vdsm). When creating clusters, make sure you select the checkbox 
> to enable gluster services, and always add hosts to such clusters from 
> UI only.
I see some documentation on setting SSL to disable but I can't find were 
I set InstallVds to false.  How do I set that?

Thanks
Robert
>
>>> as for tips and hints, I will describe what you need in general 
>>> (very high-level):
>>>
>>> - cluster and data-center - edit cluster and set the gluster check box
>>> - host side (vds):
>>>    * install vdsm-gluster package
>>>    * install all gluster-related packages
>>>    * make sure all gluster related services are fully operational
>> Didn't see vdsm-gluster when I built the nodes but when I looked for 
>> the package it was there.  Already had all the glusterfs services 
>> running.
>>> - create new volume (volume is a collection of bricks which 
>>> represent a collection of export domains):
>>>    * allocate storage space on your host
>>>    * make sure this space is exposed via export (NFS) directory
>>>    * create new volume\bricks
>> This is where I am confused.  glusterfs supports 3 methods of 
>> exposing the cluster.  Is ovirt using the NFS or the native(fs) 
>> method?  If it is NFS why the interface for bricks?  Wouldn't you 
>> just create a giant nfs share?  This is the area I am most confused 
>> with and looking for hints on.
>
> To be more precise, glusterfs supports 3 methods of exposing a 
> *volume*, and not cluster. A cluster can contain a number of volumes. 
> In Gluster terminology, Bricks (server:directory) are building blocks 
> of a "volume". Volumes can be exported using native (GLUSTER), NFS or 
> CIFS protocols, though only GLUSTER and NFS are available from the UI 
> for now. A volume need not necessarily have bricks on all servers of 
> the cluster. If you want one giant NFS share spread over all servers 
> of the cluster, you'll have to use one brick from each of the servers 
> when creating the volume, and then export the Volume via NFS.
>
> Feel free to ask glusterfs specific questions on the #gluster IRC 
> channel on FreeNode.
>
>>
>> Thanks
>> Robert
>>> Thanks,
>>>
>>> Haim
>>> ----- Original Message -----
>>>> From: "Robert Middleswarth"<robert at middleswarth.net>
>>>> To:users at ovirt.org
>>>> Sent: Friday, June 8, 2012 9:23:40 PM
>>>> Subject: [Users] Anyone started working on the documentation for 
>>>> GlusterFS and Ovirt 3.1 yet?
>>>>
>>>> I installed ovirt 3.1 using the assume repo provided by
>>>> http://www.dreyou.org/ovirt/  and it works really well.  Been a few
>>>> glitches but overall it works well.  I see an interface for GlusterFS
>>>> is
>>>> in there but no clue how to use it any hints or info been created
>>>> yet?
>>>>
>>>> Thanks
>>>> Robert
>>>>
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>>>> Users at ovirt.org
>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>
>>
>>
>

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