Re: [9fans] FS to skip/put-together duplicate files

["Francisco J Ballesteros" <nemo@lsub.org>]

We use venti-fossil on Coraid´s SR aoe drives just fine.
The frontend is a separate Plan 9 machine that uses fs(3) to partition the aoe
drives (which are raid-1 lblades). It works great.


On 8/13/07, erik quanstrom <quanstro@quanstro.net> wrote:
> On Sun Aug 12 23:35:45 EDT 2007, 9.nashi@gmail.com wrote:
> > how about mounting venti-backed fossil files from a linux as an AoE drives?
> > vblade on sources exports the plan 9 file and the aoe driver for linux
> > does the mounting.
> >
> > Venti would be compressing and condensing duplicated blocks to a single block.
> > I'm not sure if same files are boundaried in same manner to each other though.
>
> we are going to do this with kenfs and aoe.  our main filesystem is going to look
> something like
>
>         cm0f{(m1m2m3)e99.0e100.1}
>
> where e99.0 will be a local shelf and 100.1 will be remote.  there is no compression,
> but only changed blocks are dumped and kenfs doesn't really care how long the
> dump takes.
>
> - erik
>