Hi Jake,
Interesting… XenServer 7 does has rbd installed but trying to map the rbd image
with this command:
# echo {ceph_monitor_ip} name={ceph_admin},secret={ceph_key} {ceph_pool}
{ceph_image} >/sys/bus/rbd/add
It fails with just an i/o error… I am looking into now. My cluster health is
OK, so I am hoping I didn’t miss a configuration or something.
> On Jun 29, 2016, at 3:28 PM, Jake Young <jak3...@gmail.com> wrote:
>
>
>
> On Wednesday, June 29, 2016, Mike Jacobacci <mi...@flowjo.com
> <mailto:mi...@flowjo.com>> wrote:
> Hi all,
>
> Is there anyone using rbd for xenserver vm storage? I have XenServer 7 and
> the latest Ceph, I am looking for the the best way to mount the rbd volume
> under XenServer. There is not much recent info out there I have found except
> for this:
> http://www.mad-hacking.net/documentation/linux/ha-cluster/storage-area-network/ceph-xen-domu.xml
>
> <http://www.mad-hacking.net/documentation/linux/ha-cluster/storage-area-network/ceph-xen-domu.xml>
>
> and this plugin (which looks nice):
> https://github.com/mstarikov/rbdsr <https://github.com/mstarikov/rbdsr>
>
> I am looking for a way that doesn’t involve too much command line so other
> admins that don’t know Ceph or XenServer very well can work with it. I am
> just curious what others are doing… Any help is greatly appreciated!
>
> Cheers,
> Mike
>
> I'm not a XenServer user, so I can't help you there; but I feel your pain
> using Ceph for VMware storage.
>
> I'm surprised that any major Linux distributions haven't considered enabling
> rbd modules in initrd.
>
> I can see having a tiny OS image containing not much more than grub and the
> boot kernel. The trick would be to find a way to manage the boot string in
> the grub conf on a large scale.
>
> Jake
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