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Best Server Practices RAID

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by smeglor

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Whats the best practice for setting up a W2k3 server with hardware RAID? I read that it was

A minimum of 5 Drives
RAID1(2 drives mirrored for OS)
and
RAID 5(min 3 drives) for remaining resources

And how does this work with Say, setting up an MS Exchange server. Also, if say one of the drives in the RAID array goes bad and the other(s) takes over, how are you informed that a drive in an array has gone bad?

2 replies

by malcolm r

Most of our Exchange 2000 servers have a pair of mirrored drives for the OS, a separate pair of mirrored drives for the transaction log files, and a RAID-5 array for the information stores. Microsoft has some good best practices docs for configuring Exchange servers.

Notification of bad drives depends on your RAID implementation. Our Dell servers notify us through Dell's OpenManage software.

Malcolm

by smeglor

How large of drives should I get for the mirrored transaction logs? Also, is it best to use RAID5 arrays for server resources rather than RAID1 mirriored pairs for resources?

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