Re: [Qemu-block] [Qemu-devel] Behavior of QMP "query-block"

2017-05-26 Thread Konrad Rzeszutek Wilk
On Fri, May 26, 2017 at 10:02:32PM +0200, Kevin Wolf wrote: > Am 26.05.2017 um 18:55 hat John Snow geschrieben: > > On 05/26/2017 07:40 AM, Kevin Wolf wrote: > > > There is one completely crazy thing that Xen does with respect to disks. > > > Instead of having support for their PV disks (i.e. virti

Re: [Qemu-block] [Qemu-devel] Behavior of QMP "query-block"

2017-05-26 Thread Kevin Wolf
Am 26.05.2017 um 18:55 hat John Snow geschrieben: > On 05/26/2017 07:40 AM, Kevin Wolf wrote: > > There is one completely crazy thing that Xen does with respect to disks. > > Instead of having support for their PV disks (i.e. virtio-blk, just > > different) in the BIOS, they add _both_ an IDE disk

Re: [Qemu-block] [Qemu-devel] Behavior of QMP "query-block"

2017-05-26 Thread John Snow
On 05/26/2017 07:40 AM, Kevin Wolf wrote: > Am 25.05.2017 um 20:44 hat Bruno Alvisio geschrieben: >> Hello John, >> >> Thanks. Yes, typo when I wrote the e-mail. >> >> It might be possible that XEN does that (I will ask in the XEN forum). >> However, >> I have noticed that it is not the case for

Re: [Qemu-block] [Qemu-devel] Behavior of QMP "query-block"

2017-05-26 Thread Kevin Wolf
Am 25.05.2017 um 20:44 hat Bruno Alvisio geschrieben: > Hello John, > > Thanks. Yes, typo when I wrote the e-mail. > > It might be possible that XEN does that (I will ask in the XEN forum). > However, > I have noticed that it is not the case for all of the VMs I have launched. In > some of them

Re: [Qemu-block] [Qemu-devel] Behavior of QMP "query-block"

2017-05-25 Thread Bruno Alvisio
Hello John, Thanks. Yes, typo when I wrote the e-mail. It might be possible that XEN does that (I will ask in the XEN forum). However, I have noticed that it is not the case for all of the VMs I have launched. In some of them I can query the block devices even after a long time the VM has been ru

Re: [Qemu-block] [Qemu-devel] Behavior of QMP "query-block"

2017-05-25 Thread John Snow
On 05/25/2017 12:27 AM, Bruno Alvisio wrote: > Hello all, > > Summary > > I am using XEN hypervisor to run a HVM with a QEMU backed disk. After I > start the HVM I use QMP "query-block" command to see the devices of the VM. > Initially the command returns the disk that I set as part of the > co