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Re: Linux and DMAPI

To: Björn JACKE <bj@xxxxxxxxx>
Subject: Re: Linux and DMAPI
From: Timothy Sesow <tsesow@xxxxxxxxx>
Date: Wed, 03 Nov 2010 17:52:55 -0600
Cc: Diego Woitasen <diego@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
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In the latest tarball at http://dvdvault.sourceforge.net is a
routine called "dmapid" that has a user-space implementation
of a DMAPI service routine, plus a copy of some example source
code from SGI.  Plus there is a "purgefile" program to poke holes
in files in the "migration" directory. The most recent upload was last month.

The tricky parts of session management and event handling are in
the dmapid code.

Its been run against a kernel build from SGI's XFS baseline
(most recently on 2.6.24).  You will either have to go back to
a prior kernel build to get DMAPI included, or run a patch against
a current version of the LINUX kernel.

On 11/03/2010 03:44 PM, Björn JACKE wrote:
On 2010-09-18 at 21:08 -0300 Diego Woitasen sent off:
  I'm looking for software that supports DMAPI on Linux. I haven't
found anything on the web. I need to implement HSM for a mail server,
to store old messages in a secondary storage.

  Are there something implemented? Open source or propietary one? I
prefer open source obviously...
unmaintained since years but might be interesting for you:

The only Linux distri I know that contains XFS with DMAPI support is
SLES 8/9/10 (not sure about 11).


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