This implies live migration between VMware clusters is supported in CloudStack:
https://issues.apache.org/jira/browse/CLOUDSTACK-4265 On Fri, Oct 4, 2013 at 4:56 PM, Mike Tutkowski <mike.tutkow...@solidfire.com > wrote: > For anyone who is interested in the outcome of this thread, this seems to > answer the XenServer part: > > > https://cwiki.apache.org/confluence/display/CLOUDSTACK/Enabling+Storage+XenMotion+for+XenServer > > "CloudStack currently allows live migration of a virtual machine from one > host to another only within a cluster." > > Document was last updated June 28, 2013. > > > On Fri, Oct 4, 2013 at 12:41 PM, Mike Tutkowski < > mike.tutkow...@solidfire.com> wrote: > >> Yeah, that's kind of what I was interested in learning about. >> >> Now that we have zone-wide primary storage, does that mean CS is able to >> issue the live migration of a VM from one cluster to another (or are we >> still confined to clusters)? >> >> >> On Fri, Oct 4, 2013 at 11:55 AM, Travis Graham <tgra...@tgraham.us>wrote: >> >>> Was that a limitation caused by the primary storage only being available >>> to a single cluster and not zone wide like 4.2.0 provides? >>> >>> Travis >>> >>> On Oct 4, 2013, at 1:52 PM, Mike Tutkowski <mike.tutkow...@solidfire.com> >>> wrote: >>> >>> > Maybe this is a silly question, but if CS handles Live Migrations, are >>> we >>> > still constrained to migrating VMs from one host to another in the same >>> > cluster? >>> > >>> > Same question for HA. >>> > >>> > >>> > On Wed, Oct 2, 2013 at 8:42 AM, Clayton Weise <cwe...@keyinfo.com> >>> wrote: >>> > >>> >> AFAIK, no, but it's a great RFE that I would vote for. >>> >> >>> >> -----Original Message----- >>> >> From: Mike Tutkowski [mailto:mike.tutkow...@solidfire.com] >>> >> Sent: Tuesday, October 01, 2013 9:26 PM >>> >> To: dev@cloudstack.apache.org >>> >> Subject: Re: Hypervisor Questions >>> >> >>> >> Oh, and, yes, when I referred to HA, it was (as you said) with the >>> meaning >>> >> of a host going offline and VMs being restarted on other hosts >>> (perhaps in >>> >> a prioritized order if there are an insufficient number of resources >>> to >>> >> support all of the VMs that were running on the downed host). >>> >> >>> >> Does CS support assigning a priority to a VM in case not all VMs can >>> be >>> >> restarted on the remaining resources? >>> >> >>> >> >>> >> On Tue, Oct 1, 2013 at 6:35 PM, Mike Tutkowski < >>> >> mike.tutkow...@solidfire.com >>> >>> wrote: >>> >> >>> >>> Thanks, Clayton! >>> >>> >>> >>> Yeah, copy/paste mistake there. :) I meant it as you said. >>> >>> >>> >>> >>> >>> On Tue, Oct 1, 2013 at 4:54 PM, Clayton Weise <cwe...@keyinfo.com> >>> >> wrote: >>> >>> >>> >>>> First, I think you meant to put XenServer, KVM, and VMware and not >>> >>>> XenServer 3 times in a row. That being said I think in all cases >>> >>>> (somebody correct me if I'm wrong here) it goes something like this: >>> >>>> >>> >>>> Live Migration: Request is made by CS but carried out by the HV. >>> >>>> High Availability: More accurately it's "recovery after host >>> failure" >>> >>>> because it's still a disruptive action when a host goes sideways, >>> but >>> >>>> by default this is handled by CS. I _think_ there's an option to >>> let >>> >>>> the HV handle this but I'm not totally sure. >>> >>>> DRS: Managed by CS through one of several methods with the global >>> >>>> setting vm.allocation.algorithm (see below) >>> >>>> >>> >>>> 'random', 'firstfit', 'userdispersing', >>> 'userconcentratedpod_random', >>> >>>> 'userconcentratedpod_firstfit' : Order in which hosts within a >>> >>>> cluster will be considered for VM/volume allocation. >>> >>>> >>> >>>> That being said, after deployment there isn't any further DRS >>> >>>> monitoring; it's only done at the time an instance is instantiated. >>> >>>> >>> >>>> -Clayton >>> >>>> >>> >>>> -----Original Message----- >>> >>>> From: Mike Tutkowski [mailto:mike.tutkow...@solidfire.com] >>> >>>> Sent: Tuesday, October 01, 2013 3:00 PM >>> >>>> To: dev@cloudstack.apache.org >>> >>>> Subject: Hypervisor Questions >>> >>>> >>> >>>> Hi, >>> >>>> >>> >>>> I was wondering if people could clarify for me what CloudStack >>> >>>> manages versus what the hypervisor manages in terms of live >>> >>>> migration, high availability, and distributed resource scheduling? >>> >>>> >>> >>>> I know it is probably different for XenServer, VMware, and KVM. >>> >>>> >>> >>>> Can people fill in the info below (managed by the management server, >>> >>>> the hypervisor, or some combination of both)? >>> >>>> >>> >>>> XenServer >>> >>>> Live migration: >>> >>>> High availability: >>> >>>> Distributed Resource Scheduling: >>> >>>> >>> >>>> XenServer >>> >>>> Live migration: >>> >>>> High availability: >>> >>>> Distributed Resource Scheduling: >>> >>>> >>> >>>> XenServer >>> >>>> Live migration: >>> >>>> High availability: >>> >>>> Distributed Resource Scheduling: >>> >>>> >>> >>>> Thanks! >>> >>>> >>> >>>> -- >>> >>>> *Mike Tutkowski* >>> >>>> *Senior CloudStack Developer, SolidFire Inc.* >>> >>>> e: mike.tutkow...@solidfire.com >>> >>>> o: 303.746.7302 >>> >>>> Advancing the way the world uses the >>> >>>> cloud<http://solidfire.com/solution/overview/?video=play> >>> >>>> *(tm)* >>> >>>> >>> >>> >>> >>> >>> >>> >>> >>> -- >>> >>> *Mike Tutkowski* >>> >>> *Senior CloudStack Developer, SolidFire Inc.* >>> >>> e: mike.tutkow...@solidfire.com >>> >>> o: 303.746.7302 >>> >>> Advancing the way the world uses the >>> >>> cloud<http://solidfire.com/solution/overview/?video=play> >>> >>> *(tm)* >>> >>> >>> >> >>> >> >>> >> >>> >> -- >>> >> *Mike Tutkowski* >>> >> *Senior CloudStack Developer, SolidFire Inc.* >>> >> e: mike.tutkow...@solidfire.com >>> >> o: 303.746.7302 >>> >> Advancing the way the world uses the >>> >> cloud<http://solidfire.com/solution/overview/?video=play> >>> >> *(tm)* >>> >> >>> > >>> > >>> > >>> > -- >>> > *Mike Tutkowski* >>> > *Senior CloudStack Developer, SolidFire Inc.* >>> > e: mike.tutkow...@solidfire.com >>> > o: 303.746.7302 >>> > Advancing the way the world uses the >>> > cloud<http://solidfire.com/solution/overview/?video=play> >>> > *™* >>> >>> >> >> >> -- >> *Mike Tutkowski* >> *Senior CloudStack Developer, SolidFire Inc.* >> e: mike.tutkow...@solidfire.com >> o: 303.746.7302 >> Advancing the way the world uses the >> cloud<http://solidfire.com/solution/overview/?video=play> >> *™* >> > > > > -- > *Mike Tutkowski* > *Senior CloudStack Developer, SolidFire Inc.* > e: mike.tutkow...@solidfire.com > o: 303.746.7302 > Advancing the way the world uses the > cloud<http://solidfire.com/solution/overview/?video=play> > *™* > -- *Mike Tutkowski* *Senior CloudStack Developer, SolidFire Inc.* e: mike.tutkow...@solidfire.com o: 303.746.7302 Advancing the way the world uses the cloud<http://solidfire.com/solution/overview/?video=play> *™*
