Re: [libvirt] [PATCH] qemu-migration: Disallow migration of read only disk

2016-09-19 Thread Daniel P. Berrange
On Fri, Sep 16, 2016 at 04:03:55PM -0400, Jason J. Herne wrote: > On 09/14/2016 10:40 AM, Daniel P. Berrange wrote: > > On Wed, Sep 14, 2016 at 10:37:07AM -0400, Corey S. McQuay wrote: > > > Currently Libvirt allows attempts to migrate read only disks. Qemu cannot > > > handle this as read only >

Re: [libvirt] [PATCH] qemu-migration: Disallow migration of read only disk

2016-09-16 Thread Jason J. Herne
On 09/14/2016 10:40 AM, Daniel P. Berrange wrote: On Wed, Sep 14, 2016 at 10:37:07AM -0400, Corey S. McQuay wrote: Currently Libvirt allows attempts to migrate read only disks. Qemu cannot handle this as read only disks cannot be written to on the destination system. The end result is a crypti

Re: [libvirt] [PATCH] qemu-migration: Disallow migration of read only disk

2016-09-14 Thread Daniel P. Berrange
On Wed, Sep 14, 2016 at 10:37:07AM -0400, Corey S. McQuay wrote: > Currently Libvirt allows attempts to migrate read only disks. Qemu cannot > handle this as read only > disks cannot be written to on the destination system. The end result is a > cryptic error message > and a failed migration. >

[libvirt] [PATCH] qemu-migration: Disallow migration of read only disk

2016-09-14 Thread Corey S. McQuay
Currently Libvirt allows attempts to migrate read only disks. Qemu cannot handle this as read only disks cannot be written to on the destination system. The end result is a cryptic error message and a failed migration. This patch causes migration to fail earlier and provides a meaningful error