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Re: [SAGE] SMTP/POP/IMAP mail server redundancy

To: Matthew Barr <mbarr@mbarr.net>
Subject: Re: [SAGE] SMTP/POP/IMAP mail server redundancy
From: Stephen Schaefer <stephen_schaefer27517@yahoo.com>
Date: Wed, 28 Aug 2002 18:32:58 -0700 (PDT)
Cc: sage-members@usenix.org
In-Reply-To: <37698.216.223.34.13.1030562679.squirrel@neuromancer.local>
Sender: owner-sage-members@usenix.org

``They have products that do live replication. In line virtualization stuff, etc.'' Yes. And they are deep, deep voodoo. Programs/OS's not written to expect things to change out from under them tend to destroy data when data does change out from under them. I'm not claiming it's impossible to do correctly, it's just very difficult. Many of the issues are discussed by the makers of the distibuted file system GFS: http://www.sistina.com/products_GFS_publications.htm I've read about this stuff, but I've never had the need for enough 9's to try to use it. - Stephen P. Schaefer

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Follow-Ups:
- Re: [SAGE] SMTP/POP/IMAP mail server redundancy
  - From: "Sam Johnston" <samj@aos.net.au>

References:
- Re: [SAGE] SMTP/POP/IMAP mail server redundancy
  - From: "Matthew Barr" <mbarr@mbarr.net>

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