RAID 0 is the fastest, but you'll lose the whole array if you lose a drive. One thing to keep in mind is that SSDs get slower as they get filled up and closer to their capacity due to garbage collection.
If you want more info on how SSDs perform in general, Percona guys have done extensive tests. (In addition to comparing all the raid levels and etc. http://www.percona.com/docs/wiki/benchmark:ssd:start http://www.mysqlperformanceblog.com/2009/05/01/raid-vs-ssd-vs-fusionio/ (see the "RELATED SEARCHES" on the right side too) - Drew On Apr 13, 2011, at 9:42 PM, Anurag Gujral wrote: > Hi All, > We are using three ssd disks with cassandra 0.7.3 , should we set > them as raid0 .What are the advantages and disadvantages of doing this. > Please advise. > > Thanks > Anurag
