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Re: High Availability/Fault Tolerant outbound mail servers

From: Rob Chanter (robcadelie.national.com.au)
Date: Mon Jun 25 2007 - 18:00:59 CDT

On Mon, Jun 25, 2007 at 06:03:16PM +1000, Bron Gondwana wrote:
> On Mon, Jun 25, 2007 at 04:45:51PM +1000, Rob Chanter wrote:
> >
> > Around here we'd probably use SRDF for that sort of thing. I haven't
> > really considered it for DMZ MXes, though.
> Haven't heard of that, I'll give it a look tonight (no internet on the
> train, but a good time to catch up on mailing lists)

SRDF is just the EMC SAN replication thingy. Other SAN vendors will have
their own equivalents. Since it's block-level replication, you don't have
to worry about inodes being out of whack. I'm assuming the same for
zreplicate from what I've read.

> ZFS seems really nice. I'm hoping it gets freed up to Linux-compatible
> licence levels soonish.

I wouldn't hold your breath. My sense of the OpenSolaris community(ies) is
that they feel that major license changes would be an unnecessary
distraction at best. On the bright side, someone's already gotten a
working port running under FUSE
http://zfs-on-fuse.blogspot.com/, http://www.wizy.org/wiki/ZFS_on_FUSE).


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