On 01/18/2014 12:57 AM, squadra wrote:
On Fri, Jan 17, 2014 at 11:48 PM, Itamar Heim <[email protected]
<mailto:[email protected]>> wrote:

    On 01/09/2014 10:16 AM, squadra wrote:

        Hello folks,

        since the nfs discussion remembered me that i got some vm left to
        migrate... here some kind of special question. i am open for
        non-bestpractice hacky solutions, too

        Situation is:

        - 2 Ovirt Cluster - Same DC - one NFS backed, one iSCSI backed
        - NFS Share and iSCSI Share are exported from the same phys. Machine
        - Bot DC use the same filer, just different Luns / Protocolls


        so, i thought about something simple like just move vm folder
        from a to
        b and do a little bit database voodoo?

        anyone did something like this yet? or is storage live migration
        already
        working for this? the docs didnt tell me very much about this.


    are the VMs thin or pre-allocated? with or without snapshots?


mostly thin, but i wouldnt care about loosing the thin feature since the
underlaying filer runs zfs with compression. and nop, no snaps through
ovirt.


you got some ugly hack suggestion for me? :D


well, no voodo for nfs to iscsi.

you can try and create the same VMs/disks (manually to check, then script with a different vm name (due to uniqueness) on the new DC.
then try to dd the source disk to the target one.

unless your storage can somehow do such mapping of LVs.

3.4 will hopefully allow to attach both nfs and iscsi domains to same DC, then you could try to move the VMs offline (or online) between the two.
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