Re: [Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-05-16 Thread Fam Zheng
On Wed, 05/16 18:52, Vladimir Sementsov-Ogievskiy wrote: > 16.05.2018 18:32, Kevin Wolf wrote: > > Am 16.05.2018 um 17:10 hat Vladimir Sementsov-Ogievskiy geschrieben: > > > 16.05.2018 15:47, Kevin Wolf wrote: > > > > Am 14.05.2018 um 12:09 hat Vladimir Sementsov-Ogievskiy geschrieben: > > > > >

Re: [Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-05-16 Thread Vladimir Sementsov-Ogievskiy
16.05.2018 18:32, Kevin Wolf wrote: Am 16.05.2018 um 17:10 hat Vladimir Sementsov-Ogievskiy geschrieben: 16.05.2018 15:47, Kevin Wolf wrote: Am 14.05.2018 um 12:09 hat Vladimir Sementsov-Ogievskiy geschrieben: 14.05.2018 09:41, Fam Zheng wrote: On Wed, 04/18 17:00, Vladimir

Re: [Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-05-16 Thread Kevin Wolf
Am 16.05.2018 um 17:10 hat Vladimir Sementsov-Ogievskiy geschrieben: > 16.05.2018 15:47, Kevin Wolf wrote: > > Am 14.05.2018 um 12:09 hat Vladimir Sementsov-Ogievskiy geschrieben: > > > 14.05.2018 09:41, Fam Zheng wrote: > > > > On Wed, 04/18 17:00, Vladimir Sementsov-Ogievskiy wrote: > > > > > Is

Re: [Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-05-16 Thread Vladimir Sementsov-Ogievskiy
16.05.2018 15:47, Kevin Wolf wrote: Am 14.05.2018 um 12:09 hat Vladimir Sementsov-Ogievskiy geschrieben: 14.05.2018 09:41, Fam Zheng wrote: On Wed, 04/18 17:00, Vladimir Sementsov-Ogievskiy wrote: Is it possible, that target will change the disk, and then we return control to the source? In

Re: [Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-05-16 Thread Kevin Wolf
Am 14.05.2018 um 12:09 hat Vladimir Sementsov-Ogievskiy geschrieben: > 14.05.2018 09:41, Fam Zheng wrote: > > On Wed, 04/18 17:00, Vladimir Sementsov-Ogievskiy wrote: > > > Is it possible, that target will change the disk, and then we return > > > control > > > to the source? In this case bitmaps

Re: [Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-05-14 Thread Fam Zheng
On Mon, 05/14 13:23, Vladimir Sementsov-Ogievskiy wrote: > > So, you agree, that dropping all bitmaps after inactivation is good > > idea.. The second question, is it possible to not drop them? Is there a > > way, to check that disk was not changed after pair of > > inactivate-invalidate? I have

Re: [Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-05-14 Thread Vladimir Sementsov-Ogievskiy
14.05.2018 13:09, Vladimir Sementsov-Ogievskiy wrote: 14.05.2018 09:41, Fam Zheng wrote: On Wed, 04/18 17:00, Vladimir Sementsov-Ogievskiy wrote: Hi all. We now have the following problem: If dirty-bitmaps migration capability is enabled, persistance flag is dropped for all migrated bitmaps,

Re: [Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-05-14 Thread Vladimir Sementsov-Ogievskiy
14.05.2018 09:41, Fam Zheng wrote: On Wed, 04/18 17:00, Vladimir Sementsov-Ogievskiy wrote: Hi all. We now have the following problem: If dirty-bitmaps migration capability is enabled, persistance flag is dropped for all migrated bitmaps, to prevent their storing to the storage on inactivate.

Re: [Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-05-14 Thread Vladimir Sementsov-Ogievskiy
12.05.2018 00:23, John Snow wrote: On 04/18/2018 10:00 AM, Vladimir Sementsov-Ogievskiy wrote: Hi all. We now have the following problem: If dirty-bitmaps migration capability is enabled, persistance flag is dropped for all migrated bitmaps, to prevent their storing to the storage on

Re: [Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-05-14 Thread Fam Zheng
On Wed, 04/18 17:00, Vladimir Sementsov-Ogievskiy wrote: > Hi all. > > We now have the following problem: > > If dirty-bitmaps migration capability is enabled, persistance flag is > dropped for all migrated bitmaps, to prevent their storing to the storage on > inactivate. Why do we prevent

Re: [Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-05-11 Thread John Snow
On 04/18/2018 10:00 AM, Vladimir Sementsov-Ogievskiy wrote: > Hi all. > > We now have the following problem: > > If dirty-bitmaps migration capability is enabled, persistance flag is > dropped for all migrated bitmaps, to prevent their storing to the > storage on inactivate. It works ok,

Re: [Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-04-23 Thread Dr. David Alan Gilbert
* Vladimir Sementsov-Ogievskiy (vsement...@virtuozzo.com) wrote: > Hi all. > > We now have the following problem: > > If dirty-bitmaps migration capability is enabled, persistance flag is > dropped for all migrated bitmaps, to prevent their storing to the storage on > inactivate. It works ok,

[Qemu-devel] Restoring bitmaps after failed/cancelled migration

2018-04-18 Thread Vladimir Sementsov-Ogievskiy
Hi all. We now have the following problem: If dirty-bitmaps migration capability is enabled, persistance flag is dropped for all migrated bitmaps, to prevent their storing to the storage on inactivate. It works ok, persistence itself is migrated through the migration channel. But on source,