Re: [libvirt] [PATCH v2 4/4] qemu: Forbid migration with cache != none

2012-02-23 Thread Jiri Denemark
On Wed, Feb 22, 2012 at 12:54:35 -0700, Eric Blake wrote: On 02/22/2012 07:51 AM, Jiri Denemark wrote: Migrating domains with disks using cache != none is unsafe unless the disk images are stored on coherent clustered filesystem. Thus we forbid migrating such domains unless

[libvirt] [PATCH v2 4/4] qemu: Forbid migration with cache != none

2012-02-22 Thread Jiri Denemark
Migrating domains with disks using cache != none is unsafe unless the disk images are stored on coherent clustered filesystem. Thus we forbid migrating such domains unless VIR_MIGRATE_UNSAFE flags is used. --- Notes: Version 2: - use virStorageFileIsClusterFS src/qemu/qemu_driver.c|

Re: [libvirt] [PATCH v2 4/4] qemu: Forbid migration with cache != none

2012-02-22 Thread Daniel P. Berrange
On Wed, Feb 22, 2012 at 03:51:11PM +0100, Jiri Denemark wrote: Migrating domains with disks using cache != none is unsafe unless the disk images are stored on coherent clustered filesystem. Thus we forbid migrating such domains unless VIR_MIGRATE_UNSAFE flags is used. --- Notes: Version

Re: [libvirt] [PATCH v2 4/4] qemu: Forbid migration with cache != none

2012-02-22 Thread Jiri Denemark
On Wed, Feb 22, 2012 at 14:57:00 +, Daniel P. Berrange wrote: On Wed, Feb 22, 2012 at 03:51:11PM +0100, Jiri Denemark wrote: Migrating domains with disks using cache != none is unsafe unless the disk images are stored on coherent clustered filesystem. Thus we forbid migrating such

Re: [libvirt] [PATCH v2 4/4] qemu: Forbid migration with cache != none

2012-02-22 Thread Eric Blake
On 02/22/2012 07:51 AM, Jiri Denemark wrote: Migrating domains with disks using cache != none is unsafe unless the disk images are stored on coherent clustered filesystem. Thus we forbid migrating such domains unless VIR_MIGRATE_UNSAFE flags is used. --- Notes: Version 2: - use