At least go with hardware raid and stay away from software raid. Get a couple $400 LSI SATA RAID cards and add them to your existing boxes. It's pretty darn fast and the recovery after drive failure is much easier and cleaner.

Stephen

Quoting Josh <[EMAIL PROTECTED]>:

Hi everyone, thankyou for your responses. I'll try to address
everyone's comments in the one email.
I agree with Stephen. How many servers are there? Maybe a SAN with SCSI or SAS drives would make even more sense in that case. They'll be sitting in the same rack anyway. Correct?

Unfortunately we already have the machines, they are 1U with two 160Gb
SATA disks, 2.5Gb RAM with 3GHz CPU. We have three identical machines
with 2xGb ethernet, we'll be using one for crossover to keep the data
in sync between two of them and the other to connect to the network.
I've got dbmail running on all three, and MySQL data is shared via a
drbd and managed with heartbeat between two of them.


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