A budget HA disk stack

A budget HA disk stack Highly available disk stacks are nothing new. At the time of writing, Dell will happily sell you a no-single-point-of-failure MD3000 (SAS) or an MD3000i (iSCSI) array with a pair of 146GB 15K RPM SAS drives for about $4,500. Not bad, eh? Still, if you’re on a first name basis with