Can you install the ceph client tools on your server? They may give you a more obvious error. Try to install the package and config/keys manually instead of with ceph-deploy.
Also see this: http://xenserver.org/blog/entry/tech-preview-of-xenserver-libvirt-ceph.html Jake On Thursday, June 30, 2016, Mike Jacobacci <mi...@flowjo.com> 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/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 > <javascript:_e(%7B%7D,'cvml','jak3...@gmail.com');>> wrote: > > > > On Wednesday, June 29, 2016, Mike Jacobacci <mi...@flowjo.com > <javascript:_e(%7B%7D,'cvml','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 >> >> 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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