On Tue, Sep 08, 2009 at 05:35:06PM +0200, Gabor Gombas wrote: > On Tue, Sep 08, 2009 at 04:35:42PM +0200, Fabian Greffrath wrote: > > > With the namespace issue fixed and a blacklist to avoid mounting > > partitions in a virtualization environment, would it make sense to > > make grub-pc recommend (or even depend on) os-prober again? > > The problem is not just virtualization but also exporting the block > device over the network. E.g. vblade does not open the device with > O_EXCL, so it is possible to mount it locally while some remote client > also have it mounted, resulting in data corruption.
I think the best thing to do would be to use some kind of COW scheme on the device before mounting it. Setting up a device mapper snapshot, backed by a sparse file in a tmpfs is probably a good though hackish solution. I can give some help if needed. Mike -- To UNSUBSCRIBE, email to debian-devel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org