RE: active passive clustering[Scanned]

  • From: Chris Wall <Chris.Wall@xxxxxxxxxxxxxxxxxxx>
  • To: "'[ExchangeList]'" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 6 Jan 2005 11:08:21 -0500

If you use iSCSI, you can have a two node cluster setup to reference an
external array (external array contains your drives).  If you want more than
two nodes, you will have to look at fiber attached storage or NAS/SAN
devices.  Definitely use Active/Passive for Exchange in a cluster


Couple of things -

Is this cluster for mailbox servers or for Front End servers?  If for front
end servers and you have Windows 2003 as the OS, you may want to look into
NLB (Network Load Balancing - high availability).  Other things come into
play based on your setup (such as mail filtering and maintaining identical
filter Databases with your filtering software).  Look at these options
closely when designing your solution....


Also, do a quick search on as there are detailed tutorials
for 2 node clustering of servers for Exchange Mailbox servers.  For front
end servers running OWA and RPC over HTTPS, I would recommend Network Load

Contact me off list if you need any additional information after





From: simon whale [mailto:simon@xxxxxxxxxxxxxx] 
Sent: Thursday, January 06, 2005 10:50 AM
To: [ExchangeList]
Subject: [exchangelist] RE: active passive clustering[Scanned]



I am looking into clustering for exchange using active / passive setup.
Have looked at both Google and Microsoft and have found an abundance of
information to read and I don't think much is relevant to what I am trying
to find out.  Can anybody point me to a good reference site or book?  Or can
anybody tell the answers to the following question


1.                   does clustering have to be setup on SCSI? Or can you
use IDE?

2.                   do the machines has to be identical in hardware setup
(this I believe is true but am unable to find this in black and white)


many thanks for your help


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