On Mon, Feb 04, 2013 at 03:49:10PM +0100, Markus Armbruster wrote:
> Stefan Hajnoczi writes:
>
> > LVM volumes can be set read-only with "lvchange --permission r
> > ". The device node permissions remain unchanged so the volume
> > can still be opened O_RDWR. Actual writes will fail.
>
> Are y
Stefan Hajnoczi writes:
> LVM volumes can be set read-only with "lvchange --permission r
> ". The device node permissions remain unchanged so the volume
> can still be opened O_RDWR. Actual writes will fail.
Are you sure it's just LVM? blockdev(8) suggests it's a more general
issue. Check ou
LVM volumes can be set read-only with "lvchange --permission r
". The device node permissions remain unchanged so the volume
can still be opened O_RDWR. Actual writes will fail.
This results in odd behavior for QEMU. bdrv_open() is supposed to fail
if a read-only image is being opened with BDRV
