I didn't realize there was a separate api call (migrateSystemVm) for migrating systemvms. Any particular reason we have it like that? Both seem to ultimately call the same migrateVirtualMachine routine in UserVmManagerImpl.
Regards, Devdeep > -----Original Message----- > From: Nitin Mehta [mailto:nitin.me...@citrix.com] > Sent: Wednesday, December 19, 2012 9:07 PM > To: cloudstack-dev@incubator.apache.org > Subject: Re: [DISCUSS] Enabling storage xenmotion on xenserver 6.1 > > +1 > > Would this be available for system vms (ssvm, cpvm and rvm ) as well ? > > Thanks, > -Nitin > > On 19-Dec-2012, at 2:33 PM, Devdeep Singh wrote: > > > Hi Alex, > > > > I was planning to cover the following scenarios: > > 1. Live migrate a VM with disks from Host A to Host B within the same > cluster. This currently works with shared storage. I was thinking of > extending it > to support local storage too. > > 2. Live migrate a VM from Host A to Host B across cluster. VM's disks also > move from one storage repository to another. > > 3. Live migrate a VM's disks from one storage repository to another, but VM > stays in the same host. I didn't make it clear in my earlier mail, sorry about > that. Should it be a separate jira ticket? > > > > For each of them the disk offerings for each disk should be honored. That > > is, > if a disk is using shared storage it should be moved to a shared SR. Same > applies to disks using local storage too. > > > > Regards, > > Devdeep > > > >> -----Original Message----- > >> From: Alex Huang [mailto:alex.hu...@citrix.com] > >> Sent: Wednesday, December 19, 2012 4:56 AM > >> To: cloudstack-dev@incubator.apache.org > >> Subject: RE: [DISCUSS] Enabling storage xenmotion on xenserver 6.1 > >> > >> Devdeep, > >> > >> It sounds like from this that all you're doing is the ability to live > >> migrate vms from one cluster to another cluster. > >> > >> Is there anything on storage migration itself? > >> > >> --Alex > >> > >>> -----Original Message----- > >>> From: Devdeep Singh [mailto:devdeep.si...@citrix.com] > >>> Sent: Tuesday, December 18, 2012 12:40 AM > >>> To: cloudstack-dev@incubator.apache.org > >>> Subject: [DISCUSS] Enabling storage xenmotion on xenserver 6.1 > >>> > >>> Hi, > >>> > >>> XenServer introduced support for Storage XenMotion in the latest > >>> version (6.1). Storage XenMotion allows VMs to be moved from one > >>> host to another, where the VMs are not located on storage shared > >>> between the two hosts. It provides the option to live migrate a VM's > >>> disks along with the VM itself. It is now possible to migrate a VM > >>> from one resource pool to another, or to migrate a VM whose disks > >>> are on local storage, or even to migrate a VM's disks from one > >>> storage repository to > >> another, all while the VM is running. > >>> More information on Storage XenMotion can be found at [1]. > >>> > >>> I have filed a jira request [2] to track this feature. I plan to > >>> extend the migrate vm cloudstack api call to allow migration of > >>> instances across clusters. Do let me know your comments. > >>> > >>> [1] http://blogs.citrix.com/2012/08/24/storage_xenmotion/ > >>> [2] https://issues.apache.org/jira/browse/CLOUDSTACK-659 > >>> > >>> Regards, > >>> Devdeep
