Jake
On Thursday, June 30, 2016, Mike Jacobacci <mikej@xxxxxxxxxx> wrote:
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/addIt 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 <jak3kaj@xxxxxxxxx> wrote:
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:and this plugin (which looks nice):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,MikeI'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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