Just adding some more info in case it helps… looking at the ceph-osd.admin.log and I see this on every disk:
2016-06-30 09:47:03.326176 7f15353aa800 1 journal _open /dev/sdb1 fd 4: 24006098944 bytes, block size 4096 bytes, directio = 0, aio = 0 2016-06-30 09:47:03.326472 7f15353aa800 1 journal close /dev/sdb1 2016-06-30 09:47:03.326554 7f15353aa800 0 probe_block_device_fsid /dev/sdb1 is filestore, cff08772-4b94-4411-ba03-1e25fa1b567e 2016-06-30 09:47:08.096126 7f8adecbd800 0 ceph version 10.2.2 (45107e21c568dd033c2f0a3107dec8f0b0e58374), process ceph-osd, pid 8515 2016-06-30 09:47:08.096381 7f8adecbd800 -1 bluestore(/dev/sdc4) _read_bdev_label unable to decode label at offset 66: buffer::malformed_input: void bluestore_bdev_label_t::decode(ceph::buffer::list::iterator&) decode past end of struct encoding Does this line indicate a problem? "bluestore(/dev/sdc4) _read_bdev_label unable to decode label at offset 66: buffer::malformed_input: void bluestore_bdev_label_t::decode(ceph::buffer::list::iterator&) decode past end of struct encoding” Cheers, Mike > On Jun 30, 2016, at 10:55 AM, Mike Jacobacci <mi...@flowjo.com> wrote: > > I am not sure why the mapping is failing, so I tried to install ceph on > XenServer with ceph-deploy but got the following error: > > [ceph_deploy][ERROR ] UnsupportedPlatform: Platform is not supported: > XenServer xenenterprise 7.0.0 > fddf > > I feel like I am close but I am not sure where to go from here… > > Cheers, > Mike > >> On Jun 30, 2016, at 10:23 AM, Mike Jacobacci <mi...@flowjo.com >> <mailto: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 >>> <mailto: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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