Re: [Engine-devel] move disk command

----- Original Message ----- > From: "Omer Frenkel" <ofrenkel(a)redhat.com&gt; > To: "Jon Choate" <jchoate(a)redhat.com&gt; > Cc: engine-devel(a)ovirt.org > Sent: Tuesday, January 17, 2012 10:41:43 AM > Subject: Re: [Engine-devel] move disk command > > > > ----- Original Message ----- >> From: "Jon Choate" <jchoate(a)redhat.com&gt; >> To: "Ayal Baron" <abaron(a)redhat.com&gt; >> Cc: engine-devel(a)ovirt.org >> Sent: Monday, January 16, 2012 9:39:55 PM >> Subject: Re: [Engine-devel] move disk command >> >> On 01/16/2012 02:26 PM, Ayal Baron wrote: >>> >>> ----- Original Message ----- >>>> On 01/16/2012 05:26 PM, Jon Choate wrote: >>>>> As part of the multiple storage domains feature there will be >>>>> new >>>>> functionality added to allow users to move individual disks. >>>>> >>>>> What are the prerequisites for moving a disk? >>>>> >>>>> 1) the disk must exist >>>>> 2) the associated VM must be down >>>> this can't just be a CanDoAction check - the lock has to be real >>>> to >>>> prevent a race from starting the VM after the validation. >>>> >>> Either down or disk is unplugged. >>> >>>>> 3) the associated VM must not be locked >>>>> 4) the source storage domain must exist >>>>> 5) the source storage domain must be available >>>>> 6) the target domain must exist >>>>> 7) the target domain must be available >>>>> 8) the target domain must have adequate disk space >>>>> 9) the target domain cannot be an ISO or export domain >>>>> 10) the source domain cannot be an ISO or export domain >>> This may be unrelated, but user would be allowed to export and >>> import a floating disk, right? >>> I would like the ability to import *any* disk in the export >>> domain >>> as a floating disk, but in the least, export and import disks not >>> associated with a VM. > > you are right, it is unrelated, this thread is about move disk of a > vm between SDs, > export and import is copy, and floating disks is part of the shared > disk feature, > this indeed need to be discussed in that scope. So what is the behavior of a move of a floating disk? can I move any type of disk? (shared?) between SDs?