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Re: ETCP Project

To: Greg Lindahl <lindahl@conservativecomputer.com>
Subject: Re: ETCP Project
From: Alan Robertson <alanr@unix.sh>
Date: Thu, 01 Mar 2001 18:37:48 -0700
Cc: "linux-cluster@nl.linux.org" <linux-cluster@nl.linux.org>
Organization: Linux-HA
References: <3A9ECCF8.14414C29@kasey.umkc.edu> <3A9ED127.26B129F1@unix.sh> <20010301183942.A1690@wumpus> <3A9EF590.E4AED8BE@oracle.com> <20010301203329.A1984@wumpus>
Sender: owner-linux-cluster@nl.linux.org

Greg Lindahl wrote:

> The HigherAvailabilityMirrorFS I described is a filesystem that can
> execute a given system call in 2 places: (1) against a local
> underlying filesystem (of any kind), and (2) against a remote
> underlying filesystem (of any kind). PVFS is actually forwarding the
> call up to a user-level process. In order to keep the 2 underlying
> filesystems synchronized, you need to do all writes against both, but
> reads only need to go against 1. (Screw atime.)

You might look into Intermezzo.  It does something very similar.  It is
referenced by the linux-ha home page http://linux-ha.org/

	-- Alan Robertson
	   alanr@unix.sh

Linux-cluster: generic cluster infrastructure for Linux
Archive:       http://mail.nl.linux.org/linux-cluster/

Follow-Ups:
- Re: ETCP Project
  - From: Greg Lindahl <lindahl@conservativecomputer.com>

References:
- ETCP Project
  - From: "David L. Nicol" <david@kasey.umkc.edu>
- Re: ETCP Project
  - From: Alan Robertson <alanr@unix.sh>
- Re: ETCP Project
  - From: Greg Lindahl <lindahl@conservativecomputer.com>
- Re: ETCP Project
  - From: David Brower <David.Brower@oracle.com>
- Re: ETCP Project
  - From: Greg Lindahl <lindahl@conservativecomputer.com>

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