I would be inclined to use the 20GB IDE disk for booting as well as for extra space to back up the db to.
I would also do raid 1 on the two identical 18GB SCSI disks. Nightly backups of the database to the IDE disk would be an extremely good idea. You can never have too many backups. Raid 1 should improve your read performance (Correct me if im wrong here), however write performance will stay about the same if not slow slightly. This is all assuming that 18GB is enough space to store your database :) I would also make the backup partition seperate on the 20GB disk, that way if the vinum array fails for whatever reason, you can just null mount the 'backup' partition in place of the array and keep working. If all this machine is doing is holding a database, 2GB of space off the 20GB disk should be more than enough to hold the OS+apps. --Shaun Ion-Mihai Tetcu wrote:
Hi,
I have to setup a database (MySQL) server this days.
The machine will be a AthlonXP 2000+, 1G RAM, 2x Cheetah X15 36LP series drive of 18GB.
And I could spare a 20G ATA100 IDE drive.
I have no experience with vinum, so i want to ask you if it is a good ideea to add the IDE drive. I was thinking to use it as a backup drive in case the SCSI controller fail. I'm courios about what impact will have on the performance of the system and as the server will have to enter in production in a few days I do not have the time to play with.
Thanks,
IOnut
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