[one-users] hypervisor:/var/lib/one

[David Gaillard]

Thanks taking time answering me.

It is really nice to see people taking care of their community.

Virtually yours,

David

2012/8/28 Ruben S. Montero <rsmontero at opennebula.org>

> Hi,
>
> Some comments inline,
>
> On Mon, Aug 27, 2012 at 11:28 AM, David Gaillard <idrogn at gmail.com> wrote:
>
>> Hi,
>>
>> I am discovering OpenNebula and for my first install i have exported
>> /datastores from my NFS server then i have mounted /var/lib/one/datastores
>> on the FE and on the nodes.
>> Everything is working fine (for now...) but i wonder if this is a good
>> setup ?
>>
>
> It depends on the size of the datastores and number of nodes. If you need
> to add more storage for your images or balance I/O, you will need to add
> more NFS servers. So each datastore (from a different shared FS server)
> will have its own mount point.
>
> For small size setups your configuration is simpler and it should work.
>
>
>> The official doc says : " It is not needed to mount the system datastore
>> in the OpenNebula front-end as /var/lib/one/datastores/0 ". Does it mean
>> that FE don't need to mount it because only the nodes operate with it or it
>> need to be mounted on the FE but not necessarily in
>> /var/lib/one/datastore/0 ?
>>
>
> That is because only the nodes operate with it. No need to mount it in the
> FE anywhere.
>
> Cheers
>
> Ruben
>
>
>>
>>
>> Cloudly yours,
>>
>> David
>>
>> 2012/8/21 christopher barry <cbarry at rjmetrics.com>
>>
>>> Helps a lot - thanks Gary.
>>>
>>> -C
>>>
>>> On Fri, 2012-08-17 at 16:22 -0400, Gary S. Cuozzo wrote:
>>> > Hi,
>>> > On my FE, I only share out (via NFS) the DS's which are shared.  So, I
>>> create the DS as shared, get the ID, then NFS export
>>> /var/lib/one/datastores/<id>.
>>> >
>>> > I think if all your DS's were going to be shared, then you can do the
>>> whole datastores directory and it would not matter.  I was doing them on a
>>> more granular level because I have multiple clusters and some have shared
>>> and some don't.
>>> >
>>> > Hope that helps,
>>> > gary
>>> >
>>> >
>>> > ----- Original Message -----
>>> > From: "christopher barry" <cbarry at rjmetrics.com>
>>> > To: Users at lists.opennebula.org
>>> > Sent: Friday, August 17, 2012 3:52:02 PM
>>> > Subject: [one-users] hypervisor:/var/lib/one
>>> >
>>> > What directories from fe:/var/lib/one need to be exposed in
>>> > hypervisor:/var/lib/one for shared DS?
>>> >
>>> > I thought just ./datastores, but not sure.
>>> >
>>> >
>>> > Regards,
>>> > -C
>>> >
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>>
>>
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>
>
> --
> Ruben S. Montero, PhD
> Project co-Lead and Chief Architect
> OpenNebula - The Open Source Solution for Data Center Virtualization
> www.OpenNebula.org | rsmontero at opennebula.org | @OpenNebula
>
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