> > > > > "attach-disk" does not give an
error,
> > > > > when the domain which is attached has already used the source
which attach.
> > > > > This has danger of the data corruption.
> > > > >
> > > > > I make the patch to add the check of this.
> > > > > This patch outputs an error,
> > > > > when the domain which is attached has already used the source
which attach.
> > > >
> > > > What hypervisor were you testing with ? AFAIR, XenD should already
raise
> > > > an appropriate error in this scenario.
> > > >
> > > XenD Don't check this
> > > when I confirm it in xen(cs 18756:5fd51e1e9c79).
> > >
> > > Therefore,
> > > I think that it had better add check to virsh.c,
> > > because this should be checked whether xen or qemu.
> >
> > No, because then the check is only performed for people using virsh, and
> > would have to be duplicated across every single other application using
> > libvirt. If it is done in the XenD or libvirtd at time of use, then all
> > users of libvirt are automatically protected.
> Of course, it is the best if it guarded in Xend.
> But, the user may be not protected depending on cs of xen,
>
> Had better it attach check-method in libvirt.c to protect all users of libvirt ?
yes the patch need to be done in libvirt.c to protect applications
which are not virsh,
> Of course, it is the best if it guarded in Xend.
> But, the user may be not protected depending on cs of xen,
>
> Had better it attach check-method in libvirt.c to protect all users of libvirt ?
yes the patch need to be done in libvirt.c to protect applications
which are not virsh,
I remake a patch so that user is protected in libvirt.c
Thanks,
Shigeki Sakamoto.