Date: Fri, 04 Jan 2008 14:02:59 -0500 From: Graham Todd <gtodd@bellanet.org> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Mikhail Teterin <mi@bonkers.video-collage.com>, efinleywork@efinley.com, current@freebsd.org Subject: Re: a new way to hang 7.0 Message-ID: <477E82E3.6000303@bellanet.org> In-Reply-To: <200801032334.m03NY7Zd019292@apollo.backplane.com> References: <200801012116.m01LGQhN012860@bonkers.video-collage.com> <200801032334.m03NY7Zd019292@apollo.backplane.com>
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Matthew Dillon wrote: > DragonFly has a new filesystem called HAMMER in the works which should > become production ready in a few months. All primary operations work now > so it is very real, but major pieces still need to be written and others > need to be rewritten and stabilized. It's in pre-alpha state now and > will be early-alpha by the DFly 2.0 release later this month. It should > be in a state that can be ported without having to play constant catchup > in maybe 2-3 months. This filesystem has full historical capabilities... > you don't even have to make snapshots per say, just sync, and you can get > at any data as-of any point in the past with a simple @@<timestamp> > file/directory name extension. Wow, pretty neat. If HAMMER becomes the default filesystem and snapshots are low cost and easy are they any plans to leverage these features? :-) If I understand some of the opensolaris work correctly they are starting to make use of zfs snapshots for upgrades/updates and packaging systems.
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