The remaining partition on all four drives is used for the (raid 5) actual file storage, I put it on /storage, though you may have a better preference. Of course, it won't help with the raid5 below. I also made sure to pair those across separate ide controllers - sda3/sdc3 and sdb2/sdd2 so if a ide chip goes out, it may still have some limited functionality. the third partion had two drives mirrored for the root partition and another two for the /var system. I divided the drives into 4 partitions each: a small one mirrored across all drives for the /boot info a swap mirrored across all four.
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Not good for a file server! The performance of a software raid is more than adequate, given that the CPU has nothing else to do - it's a file server! The cost/risk/usefulness balance is very heavy in favor of software raid. OTOH, I have had a hardware raid card go bad, and man, that's a world of hurt unless you have an exact duplicate card on hand. For a home backup system, it's the way to go - I can always stick the drives in a new system and have it recognize and reconstruct the array. I don't use the raid chip on the mobo, just Linux Software Raid all the way. If you really want to rock and roll, get some of the new 1TB drives! inexpensive AMD64, mobo with built in Gb nic and 4 SATA controllersĪll for just under $700.I just recently made a backup server from parts off newegg:
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