version 11 features

  1. M

    Upgrading from 9.3 stable to current version 11

    I am currently running version 9.3 and I am considering upgrading (is it an upgrade?) to version 11 (whatever is the current). Questions: 1) In doing the upgrade, am I placing my pool at risk? I would certainly be devastated at losing 40+TB of data that is currently resident on the server. 2)...