Re: [Qemu-devel] [6388] Stop VM on ENOSPC error.

[Anthony Liguori]

Jamie Lokier wrote:
> Anthony Liguori wrote:
>   
> > > The idea is that if the guest at least sees the I/O error, then it won't
> > > continue writing as if everything were OK. It may not be able to continue
> > > normal operation, but it can at least mark the FS read-only and avoid
> > > ongoing damage.
> > >       
> > This simply doesn't happen in practice.  The FS needs to write data to 
> > the disk in order to remount it read-only.  Once all writes start 
> > failing, the errors are cascading.
> >     
>
> ext2/3/4 have documented errors=remount-ro / errors=panic mount options.
>
> Don't they work?
>   

This was a sles10sp1 guest which uses reiserfs by default.

Regards,

Anthony Liguori