[PVE-User] Using move disk when moving large disks

Alessandro Briosi ab1 at metalit.com
Wed Apr 12 11:52:34 CEST 2017

Il 12/04/2017 07:50, Sten Aus ha scritto:
> I can confirm that we've succesfully moved from iSCSI 10G (HP EVA
> storage) to Ceph (10G) by doing move disk from Proxmox GUI.
> Haven't encountered any problems yet. :)
> On 08.03.17 1:36, Kevin Lemonnier wrote:
>>> Has anyone used PVE "move disk" when moving large disks from one
>>> storage
>>> to another? Especially when the VM is live?
>>> Is disk writes really 100% synced from one disk to another while moving
>>> process is still active?
>>> Have you encountered even data loss? Or filesystem inconsistency which
>>> can be fixed like any other?
>> I've done it a lot between glusterfs and other storages (local, nfs,
>> other gfs ..),
>> works fine. No dataloss, no inconsistency.
>> The only problem I have is the vm crashes when it reaches 100% almost
>> everytime,
>> it gets restarted by HA quickly but that's still annoying. It's been
>> happening
>> for years on all our clusters, but for some reason no one else has
>> that problem,
>> so I assume it's something to do with the glusterfs implementation or
>> something. 

I have moved disks between gluster too and experienced no down when
moving. Only annoing thing is that you need to map the mounted directory
as a shared directory with another name, otherwise it cannot be moved,
but that's gluster specific.

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