Re: [openstack-dev] [Nova][glance] Question about evacuate with no shared storage..

2014-02-23 Thread Lingxian Kong
I think we are running away from the original question here, 'live-migration' and 'evacuate' aim to handle different scenarios. When you use 'live migration', you have a plan that when your compute node will shutdown. IMHO, The only way to provide VM high availability automatically by using 'evacua

Re: [openstack-dev] [Nova][glance] Question about evacuate with no shared storage..

2014-02-21 Thread Sangeeta Singh
So we have to use the block-migrate flag in the live-migrate command set. Also which is the minimum libvirt version that support this. We use lbvirt-0.10.2-29 Thanks for the pointer to the patch. I will check that out. Sangeeta On 2/21/14, 9:38 AM, "Joe Gordon" wrote: >On Thu, Feb 20, 2014 at

Re: [openstack-dev] [Nova][glance] Question about evacuate with no shared storage..

2014-02-21 Thread Joshua Harlow
ng List (not for usage questions)" Subject: Re: [openstack-dev] [Nova][glance] Question about evacuate with no shared storage.. >On Thu, Feb 20, 2014 at 9:01 PM, Sangeeta Singh >wrote: >> Hi, >> >> At my organization we do not use a shared storage for VM disks bu

Re: [openstack-dev] [Nova][glance] Question about evacuate with no shared storage..

2014-02-21 Thread Joe Gordon
On Thu, Feb 20, 2014 at 9:01 PM, Sangeeta Singh wrote: > Hi, > > At my organization we do not use a shared storage for VM disks but need to > evacuate VMs from a HV that is down or having problems to another HV. The > evacuate command only allows the evacuated VM to have the base image. What I >

Re: [openstack-dev] [Nova][glance] Question about evacuate with no shared storage..

2014-02-21 Thread Sangeeta Singh
ists.openstack.org>> Subject: Re: [openstack-dev] [Nova][glance] Question about evacuate with no shared storage.. This looks like a useful feature, need some work to do that. evacuate function based on rebuild, if we want to use snapshot images, we need pass the the snapshot reference fr

Re: [openstack-dev] [Nova][glance] Question about evacuate with no shared storage..

2014-02-21 Thread ChangBo Guo
This looks like a useful feature, need some work to do that. evacuate function based on rebuild, if we want to use snapshot images, we need pass the the snapshot reference from API layer ,and expose the interface from python-novaclient. Correct me if I am wrong :) 2014-02-21 13:01 GMT+08:00 San

[openstack-dev] [Nova][glance] Question about evacuate with no shared storage..

2014-02-20 Thread Sangeeta Singh
Hi, At my organization we do not use a shared storage for VM disks but need to evacuate VMs from a HV that is down or having problems to another HV. The evacuate command only allows the evacuated VM to have the base image. What I am interested in is to create a snapshot of the VM on the down