On Mon, May 27, 2002 at 04:37:49PM -0700, Ami Fischman wrote: > Hi there, > I am wondering whether it is possible to have a read-only fs (CDROM, image, > etc) as part of an LVM-managed volume. I see references to COW > (copy-on-write, I'm hoping :)) in the kernel drivers/md/ files, but it's not > at all clear to me whether or not the current drivers can be used to > implement a "translucent" or "inheriting" file system (one where a base fs > is given, on r-o media, and changes to it get recorded on another device, > presumabely a r-w fs). Please let me know whether this is currently > possible, being planned for the future, or if I'm making no sense above & > you want me to clarify :). For a not-quite-mature example of what I'm > talking about, see translucency.sf.net. In fact you can do this now if you use just device-mapper/dmsetup :) It's just the LVM2 tools that don't support it yet. - Joe _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
