http://www.msexchange.org -------------------------------------------------------I think you got it reverse, Log files - Raid 1 or Raid 10 never Raid 0 Databases - Raid 5 HTH. Regards, Raj Periyasamy MCSE(Messaging), CCNA -----Original Message----- From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Nardini, Steve Sent: Wednesday, July 26, 2006 3:35 PM To: exchangelist@xxxxxxxxxxxxx Subject: [ExchangeList] Re: Installing Exchange Cluster on EMC SAN http://www.msexchange.org -------------------------------------------------------I've been running Exchange 2003 Active/Active Cluster on an EMC Clariion CX600 SAN for almost 3 years now - with about zero down time. There is some documentation on EMC's site about RAID configuration/sizing/etc - but as we all know, it'll take you 4 years to follow the calculations. Yes, guidelines have operating system on the internal hard drives. Create LUNs on the SAN for Log files (RAID 5) and Data files (RAID 1/0 is best, RAID 5 is what most do.) On the SAN, depending on configuration, split it all up as best as possible along with the other machines connected to the SAN. "Spread the wealth" is the best way to put it. Oh and installing the Exchange Cluster isn't the easiest thing in the world, but it can be done correctly - even after 3 tries. If ya run into troubles, don't be afraid to ask for help. Steve N. -----Original Message----- From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of John B Sent: Tuesday, July 25, 2006 8:55 AM To: ExchangeSparklist; MSExchange.org Subject: [ExchangeList] Installing Exchange Cluster on EMC SAN http://www.msexchange.org -------------------------------------------------------Does anyone have any recommendations on how to install an Exchange server on a EMC SAN solution? I'm just trying to gather all opinions and see what direction I should go with on this install. The install will consist of Exchange 2003 cluster (active/passive) We have no limits on mail storage (requirement) and no limits on message size (requirement) I'm looking for the fastest and the most reliable solution. I know I don't have all the details for you regarding the SAN and I don't have them all exactly either since I just started here. So just give me your best estimate. :) Thank you, John B. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! 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