[PVE-User] Mount ceph storage to replace vm image

[Eneko Lacunza]

You have to create a qcow2 disk as I said. You have to do so in a 
Directory type of storage.

On 24/02/15 12:06, Mailing Lists wrote:
> Hi Eneko,
>
> Thanks for your reply. I'm a little unsure how to replace my new vm 
> with the empty one I created. Using a regular file system like ext4 
> this is easy as I can just cd to the mounted file system and move my 
> image over the empty one, but with the ceph object store I can't seem 
> to find the mount point or the image I need to replace?
>
> I have 3 servers, each have 2 disks, here's an example from one of the 
> servers (ceph and proxmox are running on the same boxes):
>
> /dev/sdb1                                  2.8T   82G  2.7T   3% 
> /var/lib/ceph/osd/ceph-1
> /dev/sdc1                                  2.8T  102G  2.7T   4% 
> /var/lib/ceph/osd/ceph-4
>
> If I look inside /var/lib/ceph/osd/ceph-1/current where I believe some 
> my data is, I see many _head directories with even more files inside:
>
> /var/lib/ceph/osd/ceph-1/current# ls -l 9.da_head/ |head
> total 813816
> -rw-r--r-- 1 root root 4194304 Jan 24 06:50 
> rbd\udata.1598342ae8944a.00000000000000a3__head_C767A8DA__9
> -rw-r--r-- 1 root root 4194304 Jan 31 06:36 
> rbd\udata.1598342ae8944a.000000000000123a__head_1FA2DDDA__9
> -rw-r--r-- 1 root root 4194304 Jan 27 06:48 
> rbd\udata.16a7622ae8944a.00000000000000dd__head_ACDFF8DA__9
> ...
>
> A little lost :)
>
> Thanks
> Marc
>
>
> On Tue, Feb 24, 2015 at 12:52 PM, Eneko Lacunza <elacunza at binovo.es 
> <mailto:elacunza at binovo.es>> wrote:
>
>     Hi,
>
>
>     On 24/02/15 11:42, Mailing Lists wrote:
>
>
>         I'm running proxmox with ceph storage backend and I'm looking
>         to import an existing vm into proxmox. I've converted it to
>         kvm/qcow2 and created a new vm in proxmox with similar disk
>         parameters but I cannot figure out how to mount the ceph
>         volume so I can copy over the existing vm image.
>
>         Can anyone give me any pointers?
>
>         Current vm I want to replace in proxmox says:
>         ceph-store-1:vm-110-disk,size=32G
>
>
>     Remove that (empty) RBD disk. Create an empty qcow2 disk in the
>     VM, then replace the created empty file with the one you have.
>     Finally select the disk in proxmox interface and move it to ceph
>     storage.
>
>     Cheers
>     Eneko
>
>     -- 
>     Zuzendari Teknikoa / Director Técnico
>     Binovo IT Human Project, S.L.
>     Telf. 943575997
>           943493611
>     Astigarraga bidea 2, planta 6 dcha., ofi. 3-2; 20180 Oiartzun
>     (Gipuzkoa)
>     www.binovo.es <http://www.binovo.es>
>
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>
>


-- 
Zuzendari Teknikoa / Director Técnico
Binovo IT Human Project, S.L.
Telf. 943575997
       943493611
Astigarraga bidea 2, planta 6 dcha., ofi. 3-2; 20180 Oiartzun (Gipuzkoa)
www.binovo.es

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