Re: Mounting Ceph RBD image to XenServer 7 as SR

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On Wednesday, June 29, 2016, Mike Jacobacci <mikej@xxxxxxxxxx> 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

and this plugin (which looks nice):
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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