I need to purchase a new system for our developers, for use as a
Postgres database test server. Having a RAID, probably RAID1, is
desirable for performance and reliability. I have recently set up a
system with a gmirror-based software RAID1 on a pair of 250GB ATA
drives. I would like to stick with gmirror, because:
- We save money on extra hardware.
- Since gmirror is part of FreeBSD, maintenance is a lot easier than
with a hardware solution.
But before I go balls out, I should see how well it compares to hardware
RAID. So, ...