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: > > > > > 14

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 Sementsov-Ogievski

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 th

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 an

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 inactiva

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

2018-05-13 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 sour

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, persis

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, per