When will we can use ZFS v24?

krad kraduk at googlemail.com
Thu Apr 8 08:46:06 UTC 2010

On 7 April 2010 18:33, Dan Nelson <dnelson at allantgroup.com> wrote:

> In the last episode (Apr 07), krad said:
> > On 7 April 2010 05:38, Freddie Cash <fjwcash at gmail.com> wrote:
> > > On Tue, Apr 6, 2010 at 9:35 PM, lhmwzy <lhmwzy at gmail.com> wrote:
> > > > What's your mean??
> > >
> > > See the archives for the freebsd-fs mailing list.  There are two
> > > separate groups working on getting ZFSv22 added to FreeBSD 9-CURRENT.
> > > And there's work ongoing to get ZFSv15 added to FreeBSD 8-STABLE.
> > >
> > > IOW, just be patient.  Good things will come to those who wait.  ;)
> >
> > If you re hankering for dedup you better have a big box as its a complete
> > resource hog.  From what we have seen on our x4500 filers we need about
> > 100gig of ram or l2arc ssd to hold the all the metadata for the 34TB of
> > storage, otherwise the system grinds to a halt.
> I wish they had an option for "opportunistic" dedup, where if a block is
> already in ARC it can be a dedupe candidate, but it won't look it up in the
> DDT if it isn't already in memory.  That catches the simple "cp -R dir1
> dir2" cases without blowing up the ARC on DDT blocks that 99.9999% of the
> time don't match.
> --
>        Dan Nelson
>        dnelson at allantgroup.com
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ZFS is still currently in heavy development so it might happen. Having siad
that it looks like oracle have totally buggered it up for everyone with
their retroactive licenses. I hope the CDL was tight enough that stuff wont
have to get pulled from freebsd

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