Hi... Currently running FreeBSD 5.5-STABLE, but am considering running jails with ezjail however nullfs does not seem to be stable in 5.5. Has any of you upgrade a life system 5.x to 6.1-STABLE? Any serious gotcha's? How is 6.1-STABLE for server purposes stability wise? (Dual Opteron machines with 2 GB of RAM and 256GB SATA drives) Thanks! Jan