We have a single SAN used for everything in the company (about 80 users). Just a small HP P2000 with RAID5. I've got no reason to get a dedicated SAN for SQL at this point.Since all of the disk operations go through the same controller, cable, disks, etc. is there a reason to keep the OS on C:, Data on D:, Logs on E: and TempDB on T:? It seems the traditional wisdom goes back to the days when disks were installed on the same box as the physical server. Does that still make sense since a controller going out on our little SAN is going to take out all of the drives. I'm pretty sure C:, D:, E: and T: are basically just sections of the same set of hardware.Any one have convincing arguments either way?Thanks!Norman
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