Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-07-10 Thread John Snow
On 07/10/2017 05:17 AM, Vladimir Sementsov-Ogievskiy wrote: Can we document this somehow? In this terminology, what happens with frozen bitmap (which in fact is like "active" for the user) on successful backup finish? It turns into a difference between current-state and what-was-backed-up?

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-07-10 Thread Vladimir Sementsov-Ogievskiy
08.07.2017 02:32, John Snow wrote: On 07/07/2017 05:13 AM, Vladimir Sementsov-Ogievskiy wrote: 06.07.2017 20:53, John Snow wrote: On 07/06/2017 04:05 AM, Vladimir Sementsov-Ogievskiy wrote: 06.07.2017 00:46, John Snow wrote: On 07/05/2017 05:24 AM, Vladimir Sementsov-Ogievskiy wrote:

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-07-07 Thread John Snow
On 07/07/2017 05:13 AM, Vladimir Sementsov-Ogievskiy wrote: > 06.07.2017 20:53, John Snow wrote: >> >> On 07/06/2017 04:05 AM, Vladimir Sementsov-Ogievskiy wrote: >>> 06.07.2017 00:46, John Snow wrote: On 07/05/2017 05:24 AM, Vladimir Sementsov-Ogievskiy wrote: > 16.02.2017 16:04, Fam

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-07-07 Thread Vladimir Sementsov-Ogievskiy
06.07.2017 20:53, John Snow wrote: On 07/06/2017 04:05 AM, Vladimir Sementsov-Ogievskiy wrote: 06.07.2017 00:46, John Snow wrote: On 07/05/2017 05:24 AM, Vladimir Sementsov-Ogievskiy wrote: 16.02.2017 16:04, Fam Zheng wrote: +dbms->node_name = bdrv_get_node_name(bs); +

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-07-07 Thread Denis V. Lunev
On 07/06/2017 08:53 PM, John Snow wrote: > > On 07/06/2017 04:05 AM, Vladimir Sementsov-Ogievskiy wrote: >> 06.07.2017 00:46, John Snow wrote: >>> On 07/05/2017 05:24 AM, Vladimir Sementsov-Ogievskiy wrote: 16.02.2017 16:04, Fam Zheng wrote: >> +dbms->node_name =

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-07-06 Thread John Snow
On 07/06/2017 04:05 AM, Vladimir Sementsov-Ogievskiy wrote: > 06.07.2017 00:46, John Snow wrote: >> >> On 07/05/2017 05:24 AM, Vladimir Sementsov-Ogievskiy wrote: >>> 16.02.2017 16:04, Fam Zheng wrote: > +dbms->node_name = bdrv_get_node_name(bs); > +if

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-07-06 Thread Vladimir Sementsov-Ogievskiy
06.07.2017 00:46, John Snow wrote: On 07/05/2017 05:24 AM, Vladimir Sementsov-Ogievskiy wrote: 16.02.2017 16:04, Fam Zheng wrote: +dbms->node_name = bdrv_get_node_name(bs); +if (!dbms->node_name || dbms->node_name[0] == '\0') { +dbms->node_name =

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-07-05 Thread John Snow
On 07/05/2017 05:24 AM, Vladimir Sementsov-Ogievskiy wrote: > 16.02.2017 16:04, Fam Zheng wrote: >>> +dbms->node_name = bdrv_get_node_name(bs); >>> +if (!dbms->node_name || dbms->node_name[0] == '\0') { >>> +dbms->node_name = bdrv_get_device_name(bs); >>>

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-07-05 Thread Vladimir Sementsov-Ogievskiy
16.02.2017 16:04, Fam Zheng wrote: +dbms->node_name = bdrv_get_node_name(bs); +if (!dbms->node_name || dbms->node_name[0] == '\0') { +dbms->node_name = bdrv_get_device_name(bs); +} +dbms->bitmap = bitmap; What protects the case

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-04-26 Thread Vladimir Sementsov-Ogievskiy
25.02.2017 20:56, Vladimir Sementsov-Ogievskiy wrote: 16.02.2017 16:04, Fam Zheng wrote: On Mon, 02/13 12:54, Vladimir Sementsov-Ogievskiy wrote: Postcopy migration of dirty bitmaps. Only named dirty bitmaps, associated with root nodes and non-root named nodes are migrated. If destination

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-02-27 Thread Dr. David Alan Gilbert
* Vladimir Sementsov-Ogievskiy (vsement...@virtuozzo.com) wrote: > 24.02.2017 16:26, Dr. David Alan Gilbert wrote: > > * Vladimir Sementsov-Ogievskiy (vsement...@virtuozzo.com) wrote: > > > Postcopy migration of dirty bitmaps. Only named dirty bitmaps, > > > associated with root nodes and non-root

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-02-25 Thread Vladimir Sementsov-Ogievskiy
16.02.2017 16:04, Fam Zheng wrote: On Mon, 02/13 12:54, Vladimir Sementsov-Ogievskiy wrote: Postcopy migration of dirty bitmaps. Only named dirty bitmaps, associated with root nodes and non-root named nodes are migrated. If destination qemu is already containing a dirty bitmap with the same

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-02-25 Thread Vladimir Sementsov-Ogievskiy
24.02.2017 16:26, Dr. David Alan Gilbert wrote: * Vladimir Sementsov-Ogievskiy (vsement...@virtuozzo.com) wrote: Postcopy migration of dirty bitmaps. Only named dirty bitmaps, associated with root nodes and non-root named nodes are migrated. If destination qemu is already containing a dirty

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-02-24 Thread Dr. David Alan Gilbert
* Vladimir Sementsov-Ogievskiy (vsement...@virtuozzo.com) wrote: > Postcopy migration of dirty bitmaps. Only named dirty bitmaps, > associated with root nodes and non-root named nodes are migrated. > > If destination qemu is already containing a dirty bitmap with the same name > as a migrated

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-02-16 Thread Fam Zheng
On Mon, 02/13 12:54, Vladimir Sementsov-Ogievskiy wrote: > Postcopy migration of dirty bitmaps. Only named dirty bitmaps, > associated with root nodes and non-root named nodes are migrated. > > If destination qemu is already containing a dirty bitmap with the same name > as a migrated bitmap (for

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-02-01 Thread Max Reitz
On 22.11.2016 18:54, Vladimir Sementsov-Ogievskiy wrote: > Postcopy migration of dirty bitmaps. Only named dirty bitmaps, > associated with root nodes and non-root named nodes are migrated. > > If destination qemu is already containing a dirty bitmap with the same name > as a migrated bitmap (for

Re: [Qemu-devel] [PATCH 12/17] migration: add postcopy migration of dirty bitmaps

2017-01-24 Thread Juan Quintela
Vladimir Sementsov-Ogievskiy wrote: > Postcopy migration of dirty bitmaps. Only named dirty bitmaps, > associated with root nodes and non-root named nodes are migrated. > > If destination qemu is already containing a dirty bitmap with the same name > as a migrated bitmap