Re: [PATCH RFC 1/3] migration: switchover-hold parameter

2023-06-02 Thread Peter Xu
On Fri, Jun 02, 2023 at 12:14:20PM +0100, Daniel P. Berrangé wrote: > On Thu, Jun 01, 2023 at 09:16:24PM -0400, Peter Xu wrote: > > Add a new migration parameter switchover-hold which can block src qemu > > migration from switching over to dest from running. > > > > One can set this flag to true s

Re: [PATCH RFC 1/3] migration: switchover-hold parameter

2023-06-02 Thread Daniel P . Berrangé
On Thu, Jun 01, 2023 at 09:16:24PM -0400, Peter Xu wrote: > Add a new migration parameter switchover-hold which can block src qemu > migration from switching over to dest from running. > > One can set this flag to true so src qemu will keep iterating the VM data, > not switching over to dest even

[PATCH RFC 1/3] migration: switchover-hold parameter

2023-06-01 Thread Peter Xu
Add a new migration parameter switchover-hold which can block src qemu migration from switching over to dest from running. One can set this flag to true so src qemu will keep iterating the VM data, not switching over to dest even if it can. It means now live migration works somehow like COLO; we