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From Wido den Hollander <w...@widodh.nl>
Subject Re: Wrong storage capacity issue reported
Date Wed, 17 Jul 2013 16:28:27 GMT
Hi,

On 07/17/2013 11:32 AM, Indra Pramana wrote:
> Dear Wido and all,
>
> FYI, I managed to resolve the problem by installing latest version of
> libvirt. Apparently, the libvirt version that I was using (1.0.2), which
> I got from here:
>
> http://blog.widodh.nl/2013/06/a-quick-note-on-running-cloudstack-with-rbd-on-ubuntu-12-04/
>

Odd, I haven't noticed that.

> was the culprit. I downloaded the latest libvirt version (version 1.1.0)
> from their FTP site:
>
> ftp://libvirt.org/libvirt/libvirt-1.1.0.tar.gz
>
> Install the latest librbd-dev package:
>
> apt-get install librbd-dev
>
> Then compile libvirt with storage RBD enabled:
>
> ./autogen.sh --prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin
> --with-storage-rbd
>
> Restart the KVM host after it's done.
>
> virsh pool-info is now showing the correct "Allocation" amount:
>
> root@hv-kvm-02:~# virsh pool-info d433809b-01ea-3947-ba0f-48077244e4d6
> Name:           d433809b-01ea-3947-ba0f-48077244e4d6
> UUID:           d433809b-01ea-3947-ba0f-48077244e4d6
> State:          running
> Persistent:     no
> Autostart:      no
> Capacity:       5.47 TiB
> Allocation:     328.00 B
> Available:      5.47 TiB
>
> Tried to create a VM instance, and now the VM can utilise the RBD
> storage pool. No more "insufficient space on pool" error message on the log.
>
> The only issue is that, I noted that only the DATADISK volume is created
> on the RBD primary storage pool. The ROOT volume of that VM is still
> created on the NFS primary storage pool.
>
> Is there a way to ensure that the ROOT volume will also be created on
> the RBD primary storage pool instead of the NFS pool?
>

Yes, make sure you use the right storage tags to force the ROOT disk on 
the RBD storage pool as well.

Wido

> Looking forward to your reply, thank you.
>
> Cheers.
>
>
>
> On Wed, Jul 17, 2013 at 12:42 PM, Indra Pramana <indra@sg.or.id
> <mailto:indra@sg.or.id>> wrote:
>
>     Dear Wido and all,
>
>     On Tue, Jul 16, 2013 at 10:49 AM, Indra Pramana <indra@sg.or.id
>     <mailto:indra@sg.or.id>> wrote:
>
>         Hi Prasanna,
>
>         On Mon, Jul 15, 2013 at 12:38 PM, Prasanna Santhanam
>         <tsp@apache.org <mailto:tsp@apache.org>> wrote:
>
>             It might be a bug on ceph but the thread you referenced was
>             resolved.
>             See here: http://markmail.org/message/mkm2fqyawmwpufsc
>
>             If it still persists, can you please file a bug on JIRA?
>
>
>         As suggested, I have filed a bug on JIRA.
>
>         https://issues.apache.org/jira/browse/CLOUDSTACK-3542
>
>         Appreciate any advise on how to resolve the problem. Wido, any
>         comments from your end? :)
>
>
>     Anyone has any clues on how to resolve this problem? It is a
>     show-stopper for me, I can't proceed further without able to get my
>     RBD primary storage to work.
>
>     Any advice is greatly appreciated.
>
>     Looking forward to your reply, thank you.
>
>     Cheers.
>
>

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