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Date:      Wed, 07 May 2003 08:29:54 -0400
From:      Bill Moran <wmoran@potentialtech.com>
To:        Chris Pressey <cpressey@catseye.mb.ca>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Realtime Filesystem Replication
Message-ID:  <3EB8FC42.9030000@potentialtech.com>
In-Reply-To: <20030507013130.48812aa0.cpressey@catseye.mb.ca>
References:  <Pine.BSF.4.21.0305061221200.47177-100000@server1.ultratrends.com> <3EB807B9.4070603@potentialtech.com> <20030507013130.48812aa0.cpressey@catseye.mb.ca>

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Chris Pressey wrote:
> On Tue, 06 May 2003 15:06:33 -0400
> Bill Moran <wmoran@potentialtech.com> wrote:
> 
> 
>>YOU wrote:
>>
>>>Thanks so far to the suggestions including rsync and unison. Both
>>>appear to be triggered upon a command line or user typed command. Is
>>>someone using a system that tracks the mtimes for files and updates
>>>without prompt? 
>>
>>Are you sure you really need _realtime_?  That's a pretty tall order,
>>and I don't know of anything that can provide it.
> 
> Purely out of curiousity, would it even be technically possible?  Would
> kevents be the thing to handle something like this, or would they be too
> low-level?

Not 100% sure.  It would be an interesting research project if I could
find time to try it out.
I have some theories as to how to make it work, and I suspect that it's
possible.  I worry that it's not practical, however, that it will be too
slow to actually use.

-- 
Bill Moran
Potential Technologies
http://www.potentialtech.com



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