Comments on: Raid1 vs Raid5 Microsoft exchange data http://itknowledgeexchange.techtarget.com/itanswers/raid1-vs-raid5-microsoft-exchange-data/ Sat, 25 May 2013 13:28:28 +0000 hourly 1 By: wrobinson http://itknowledgeexchange.techtarget.com/itanswers/raid1-vs-raid5-microsoft-exchange-data/#comment-52993 wrobinson Thu, 01 May 2008 02:51:42 +0000 #comment-52993 There is more than meets the eye here. RAID-1 is recommended for transaction logs and queues because of heavy write activity. The Exchange databases typically perform more read than write activity, so the speed sacrificed using RAID-5 is not as impactful and the positive trade-off in terms of capacity and ault-tolerance is often desirable.

There is specific guidance on Exchange storage design considerations for Exchange Server 2003 and Exchange Server 2007 on TechNet. You should check the following references as starters (see: http://technet.microsoft.com/en-us/library/bb125079.aspx and http://technet.microsoft.com/en-us/library/bb124518.aspx).

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