[one-users] How do i know the cluster's datastore's capacity?

[Carlos Martín Sánchez]

Hi there,

On Tue, Nov 26, 2013 at 9:48 AM, 曹海峰 <caohf at wedogame.com> wrote:

> Thanks for replay!
> But if I use a shared folder ,such as /var/lib/datastore/1/ on host A  and
> mount it on all hosts in a cluster. the whole storage capacity is very
> small,Opennebula can't use other hosts's disk space.?
>

On Tue, Nov 26, 2013 at 9:53 AM, Kenneth <kenneth at apolloglobal.net> wrote:

> You can of course. But it is up to you to monitor.
>
Not in OpenNebula 4.4 :)
Local (ssh) system datastores are also monitored, but the storage is
reported for each host: in the onehost show output, or selecting the host
in Sunstone.

Best regards.
--
Carlos Martín, MSc
Project Engineer
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org | cmartin at opennebula.org |
@OpenNebula<http://twitter.com/opennebula><cmartin at opennebula.org>


On Tue, Nov 26, 2013 at 9:53 AM, Kenneth <kenneth at apolloglobal.net> wrote:

>  You can of course. But it is up to you to monitor. And using storage on
> different hosts will cause the VMs to be copied via scp which is pretty
> slow.
>
> Another way to have a large storage is to remove other drives on the nodes
> (or use small drives in them) and then plug big capacity drives on the main
> NFS node. I mean put everything on the host A and let other have a small
> hard drive just enough for the OS itself.
>
> ---
>
> Thanks,
> Kenneth
> Apollo Global Corp.
>
>  On 11/26/2013 04:48 PM, 曹海峰 wrote:
>
> Thanks for replay!
> But if I use a shared folder ,such as /var/lib/datastore/1/ on host A  and
> mount it on all hosts in a cluster. the whole storage capacity is very
> small,Opennebula can't use other hosts's disk space.?
>
>
> ------------------------------
>   Best Wishes!
>  Dennis
>
>  *From:* users-bounces at lists.opennebula.org
> *Date:* 2013-11-26 16:27
> *To:* users at lists.opennebula.org
> *Subject:* Re: [one-users] How do i know the cluster's datastore's
> capacity?
>
> That's because you are not using a shared folder for all hosts. A better
> way to do it is to make the /var/lib/datastore/1/ folder on the sunstone as
> a NFS folder and then mount it all other hosts on the same location
> /var/lib/datastore/1/. This will enable you to do live migrations and very
> fast deployment of vms.
> ---
>
> Thanks,
> Kenneth
> Apollo Global Corp.
>
>  On 11/26/2013 04:17 PM, caohf wrote:
>
> Dear all:
> How do i get the whole capacity for a  cluster's datastores,
> I have two hosts in a cluster, every host has 100GB space for
> /var/lib/datastore.
> In sunstone i find the capacity of cluster only display the capacity of
> host where the sunstone deployed.
>
> ------------------------------
>   Best Wishes!
>  Dennis
>
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