> -----Original Message----- > From: Koushik Das [mailto:koushik....@citrix.com] > Sent: Wednesday, June 3, 2015 6:08 PM > To: dev@cloudstack.apache.org > Subject: RE: [DISCUSS] Out of Band VR migration, should we reboot VR or not? > > I think as a design principle we shouldn't introduce HV specific checks in the > orchestration/API layers. > I am not sure if the problem is specific to Vmware. Any out of band VR > movement can lead to this issue. For now it is seen in Vmware but what about > other HVs where CS relies on native HA provided by HV.
[Sateesh] Same is applicable to Hyper-v if HA is enabled Also in case of VMware, even enabling DRS causes out of band movement of VMs from host to host. I think it'd be better to address this irrespective of underlying hypervisor. Regards, Sateesh > > -----Original Message----- > From: Remi Bergsma [mailto:rberg...@schubergphilis.com] > Sent: Wednesday, 3 June 2015 17:54 > To: dev@cloudstack.apache.org > Subject: Re: [DISCUSS] Out of Band VR migration, should we reboot VR or not? > > This is a VMware specific problem, right? > We could also limit the fix to this hypervisor only. > > Regards, > Remi > > > On 03 Jun 2015, at 14:12, Koushik Das > <koushik....@citrix.com<mailto:koushik....@citrix.com>> wrote: > > In case the VR is moved out of band (say as part of Vmware DRS), all network > rules are lost. Rebooting VR from CS re-applies all the rules. Either the > reboot is > done manually from UI/API or automatically as was done as part of > CLOUDSTACK-7994. > > I haven't looked at the aggregate command. If it can be used to apply rules on > VR without a reboot then that should work as well. > > -Koushik > > -----Original Message----- > From: Rohit Yadav [mailto:rohit.ya...@shapeblue.com] > Sent: Wednesday, 3 June 2015 17:18 > To: dev > Subject: [DISCUSS] Out of Band VR migration, should we reboot VR or not? > > Hi all, > > Recently a behaviour was reported for ACS 4.5.1, where out of band VR > migration would cause rebooting of VR. It seems this is a desired behaviour as > per this issue: https://issues.apache.org/jira/browse/CLOUDSTACK-7994 > > It was shared on the thread on users ML that since CloudStack now supports > aggregate commands for VR, this behaviour is unnecessary. > > The VR in 4.5+ supports aggregated execution of commands on VRs to allows us > to achieve eventual consistency of VR state without actually rebooting it, see > this for details: https://issues.apache.org/jira/browse/CLOUDSTACK-6047 > > Please share your comments on whether if we should revert the fix or not, and > the best way to do it. 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