An untested disaster recovery or backup plan is a bad plan. Sorry you had to learn that the hard way. Agreed that identical or confirmed working spare compone

An untested disaster recovery or backup plan is a bad plan. Sorry you had to learn that the hard way. Agreed that identical or confirmed working spare components are important. I've migrated RAID arrays through several generations of Areca cards successfully and even tested back and forth between models. I like them. Also remember RAID is not backup; keep a second copy of your data around (offsite if you're serious).