I'm in IT and have an interest in the edges. Have minimal programming, some scripting, ability to tie things together, (db's, code, servers and storage).
It's akin to the lobster-in-a-boiling-pot scenario.
Put a lobster in already boiling water and it screams, stick it in room-temp water and heat to boiling and the lobster won't notice it's being cooked until it's too late...
1. Sun's shared source license sucks and this is why ZFS isn't natively supported in Linux.
2. btrfs will soon have better features/performance/stability than ZFS, and a better architecture to boot: http://lwn.net/Articles/342892/