I'm building a new server for exchange 2007 to replace my old exchange 2003. here is what I have: 11 disks SAS drive (300GB 15K = 8 drives and 600GB 10K = 3 drives)
I'm planning to configure the RAID as follow:
OS: RAID 1 (300GB 15K *2) = 278GB
Logs: RAID 5 (600GB 10K * 3) = 1TB
Data: RAID 5 (300GB 15K * 6) = 1.3TB
We have about 420 mailboxes and the limit is 2.5GB each mailbox. What do you recommend for the size like this? Should i use RAID1 instead of RAID5? Please advise. Thanks!