Pilgrim, kadischi, and stateless (was Re: [Fedora-livecd-list] pilgrim livecd work)

[Jeffrey Law]

On Wed, 2006-09-20 at 16:07 -0400, David Zeuthen wrote:
> Hi,
> 
> On Wed, 2006-09-20 at 10:48 -0700, Toshio Kuratomi wrote:
> > Does pilgrim make an attempt to integrate any of stateless's work?  In
> > my mind integrating stateless with livecd creation just makes sense.
> > But I don't think there's been much work done on that front since
> > Jeremy's proof of concept fork of kadischi which I don't think he's been
> > updating.
> 
> Nope, I think it's much more elegant to just use dm-snapshot to provide
> a real rw rootfs. Not sure what Bill Nottingham (Cc'ed) or people
> working on stateless team thinks of this, they might have a number of
> good reasons that I haven't thought out. I still think stateless makes
> sense for non-livecd work however.
Bill touched on a couple issues here.  I'd like to add another.

The code we're developing to allow for low-overhead distribution
of updates to the root filesystem from the server to its stateless
clients would probably break if we were using dm-snapshot on the 
clients.  It's vital to the update model that the client's root
filesystem not change at the block level.  ie, the image on the
client must match block for block the master image on the server.

Jeff