RE: Clustering
- From: "Neil Hobson" <Neil.Hobson@xxxxxxxxxxxxxxxxx>
- To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
- Date: Mon, 14 Jul 2003 11:32:36 +0100
I wasn't personally a fan of MS clustering in Exchange 5.5 days, but I think
things improved enough in Exchange 2000. We've certainly seen quite a few
people implementing E2k clusters. E2k3 looks like it will raise the bar again.
That's not to say they are the quintessential answer to all downtime issues,
because they're not. You've still got shared storage, so clustering will not
protect you from database corruption. Also consider the increase in
complexity, and how that may affect your system - it has been known to increase
downtime! Also, don't consider active/active for a minute - stick with
active/passive. What I'd also say is try to determine what the business case
for clustering is - if it's a senior manager dictating 99.99% availability
simply because it's some macho figure plucked out of the air, then run for
cover. :-)
I've also got a customer using EMC symmetrix at multiple sites, replicating
stuff in all directions. Nice redundancy, but £££/$$$.
Cheers,
Neil
-----Original Message-----
From: Luke Marioni [mailto:lmarioni@xxxxxxxxxxxxx]
Sent: 14 July 2003 11:25
To: [ExchangeList]
http://www.MSExchange.org/
Hey all,
I am thinking of implementing some form of clustering into my E2k environment,
and I basically want to know peoples experiences with the clustering included
with the Enterprise Edition and other 3rd party solutions, Veritas etc.
Any thougts and experiences are greatly appreciated!!
Cheers
Luke Marioni
Senior Systems Analyst
ITG Europe
River Plate House,
7-11 Finsbury Circus,
London,
EC2M 7EB,
England.
Tel: +44 (0) 207 670 4200
Fax: +44 (0) 207 670 4243
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