On Mon, 10 Oct 2011 19:30:32 +0200 Kevin Wolf <kw...@redhat.com> wrote:
> Am 26.09.2011 22:43, schrieb Luiz Capitulino: > > This series adds support to the block layer to keep track of devices' > > I/O status. That information is also made available in QMP and HMP. > > > > The goal here is to allow management applications that miss the > > BLOCK_IO_ERROR event to able to query the VM to determine if any device has > > caused the VM to stop and which device caused it. > > > > Here's an HMP example: > > > > (qemu) info status > > VM status: paused (io-error) > > (qemu) info block > > ide0-hd0: removable=0 io-status=ok file=disks/test2.img ro=0 drv=qcow2 > > encrypted=0 > > ide0-hd1: removable=0 io-status=nospace file=/dev/vg_doriath/kvmtest ro=0 > > drv=qcow2 encrypted=0 > > ide1-cd0: removable=1 locked=0 io-status=ok [not inserted] > > floppy0: removable=1 locked=0 [not inserted] > > sd0: removable=1 locked=0 [not inserted] > > > > The session above shows that the VM is stopped due to an I/O error. By using > > the info block command it's possible to determine that the 'ide0-hd1' device > > caused the error, which turns out to be due to no space. > > Thanks, applied all to the block branch. This series will conflict with my "first round of qapi conversions" series. It seems to me that the conflicts are rather simple, just doing s/RSTATE_/RUN_STATE should fix them, but I can resend the series if you think that's better. > > Kevin >