Drew Weaver spake the following on 6/8/2006 11:15 AM:
Software RAID has failed us so many times in the past that I would never recommend it to anyone. Things like: the raid breaking for no reason and the server continually rebuilding over and over, and once a drive does finally die the other drive wasn't being mirrored properly (or wouldn't boot even though we manually sync'd the bootloaders as suggested.).
It has been nothing but a hassle, so if you need reliable data you need to find a card that works for you, I'm not sure why people are so ready to suggest software raid when the fact is its pretty unreliable.
The only time I had a real software raid problem, it was self-inflicted. I tried to use all the channels on an ide card. Using desktop drives instead of enterprise drives can also jinx it.