[Drbd-dev] New Features: write-back cache mode
lars.ellenberg at linbit.com
Tue Sep 30 22:02:48 CEST 2008
On Sun, Sep 21, 2008 at 01:19:38AM +0200, Lars Ellenberg wrote:
> On Sat, Sep 20, 2008 at 05:04:44PM -0600, Morey Roof wrote:
> > This is pretty much what I was thinking. For the btree, generations,
> > and ref-count a good example to look at is how btrfs (This is the other
> > project I have started to mess with) works. The design is very
> > efficient and I think we could use a very close match for our setup. I
> > haven't read the paper you sent yet but will get to that today.
> > Let me know how you would like to start and I can start working a proof
> > of concept and we can see how to go from there.
> I still think that should be implemented as a
> generic device-mapper write-back target,
> not as part of drbd.
> maybe you can use that as a starting point,
> and point it to a ram disk as cache?
any news on that?
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