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Date:      Wed, 21 Feb 2007 13:15:29 +0000 (GMT)
From:      Robert Watson <rwatson@FreeBSD.org>
To:        freebsd-fs@freebsd.org
Cc:        "Rick C. Petty" <rick-arla@kiwi-computer.com>, arla-drinkers@stacken.kth.se, Tomas Olsson <tol@stacken.kth.se>
Subject:   Re: UFS2 with SAN
Message-ID:  <20070221131330.S80197@fledge.watson.org>
In-Reply-To: <20070215002206.G16383@fledge.watson.org>
References:  <20070213075627.63126.qmail@web34502.mail.mud.yahoo.com> <6FC9F9894A9F8C49A722CF9F2132FC2204C9DAB4@ms05.mailstreet2003.net> <a969fbd10702130839j727d055bu10c3ec80e38d2a3d@mail.gmail.com> <6FC9F9894A9F8C49A722CF9F2132FC2204C9DAB5@ms05.mailstreet2003.net> <6FC9F9894A9F8C49A722CF9F2132FC2204C9DAB6@ms05.mailstreet2003.net> <45D1F30A.6080403@freebsd.org> <eqsut3$6a3$1@sea.gmane.org> <20070213192906.U726@chrishome.localnet> <20070214162938.GA96725@keira.kiwi-computer.com> <20070214173211.L1054@chrishome.localnet> <20070214170808.GC96725@keira.kiwi-computer.com> <lsrvei45pq1.fsf@kashyyyk.ite.kth.se> <20070215002206.G16383@fledge.watson.org>

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On Thu, 15 Feb 2007, Robert Watson wrote:

>> I'm already funded and can work full time on this, but a FreeBSD hacker 
>> would help a lot.  Any volunteers?
>
> I'm not the right person to talk to you about FreeBSD VFS/buffering, but I'm 
> very interested in seeing support for Arla improve for recent FreeBSD 
> versions.  In particular, I think it would be very helpful it it worked on 
> FreeBSD 7-CURRENT, which would facilitate merging nnpfs into CVS.  This 
> might help solve the "forever playing catchup" problem that Arla seems 
> constantly to experience with FreeBSD, in which nnpfs (previously xfs) gets 
> left behind and works only on stale FreeBSD versions.  In any recent FreeBSD 
> kernel, nnpfs will need to run as an MPSAFE file system, however.

FYI to all as a follow-up on this thread: I've set Tomas up with an account on 
the FreeBSD Perforce server as a place to do the work-in-progress, which 
should improve exposure in (and opportunity for collaboration with) the 
FreeBSD developer community, as well as making it easier to track the 
7-CURRENT mainline.

Robert N M Watson
Computer Laboratory
University of Cambridge



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