Re: [Qemu-devel] vm live storage migration approach.

2015-01-30 Thread Yaodong Yang
Thank you Stefan! Now I understand the workflow. -Yaodong On Fri, Jan 30, 2015 at 2:37 PM, Stefan Hajnoczi wrote: > On Fri, Jan 30, 2015 at 8:13 PM, Yaodong Yang > wrote: > > An follow up questions. > > > > Suppose I have a running VM with two virtual disks, I would like to > migrate > > the v

Re: [Qemu-devel] vm live storage migration approach.

2015-01-30 Thread Stefan Hajnoczi
On Fri, Jan 30, 2015 at 8:13 PM, Yaodong Yang wrote: > An follow up questions. > > Suppose I have a running VM with two virtual disks, I would like to migrate > the vm from host A to host B. Both host A and host B have their own isolated > storage devices. Is there anyway to migrate the vm's memor

Re: [Qemu-devel] vm live storage migration approach.

2015-01-30 Thread Yaodong Yang
An follow up questions. Suppose I have a running VM with two virtual disks, I would like to migrate the vm from host A to host B. Both host A and host B have their own isolated storage devices. Is there anyway to migrate the vm's memory, two virtual disk images and other states together from host

Re: [Qemu-devel] vm live storage migration approach.

2015-01-30 Thread Eric Blake
On 01/30/2015 09:25 AM, Yaodong Yang wrote: > Hi all, > > I'm investigating the current schemes for the VM live storage migration in > QEMU system. I have the following questions: > > 1. What is the functionality of drive_mirror in QEMU? Is it designed as a > VM live storage migration approach?

[Qemu-devel] vm live storage migration approach.

2015-01-30 Thread Yaodong Yang
Hi all, I'm investigating the current schemes for the VM live storage migration in QEMU system. I have the following questions: 1. What is the functionality of drive_mirror in QEMU? Is it designed as a VM live storage migration approach? 2. What's the difference between drive_mirror and vMotion?