ZFSGuru FreeBSD ZFS NAS Web-GUI

FreeNAS is an embedded open source NAS (Network-Attached Storage) distribution based on FreeBSD, supporting the following protocols: CIFS (samba), FTP, NFS, TFTP, AFP, RSYNC, Unison, iSCSI (initiator and target) and UPnP.

FreeNAS Forums - "Absolutely must virtualize FreeNAS!" ... a guide to not completely losing your data.
FreeNAS Forums - Please do not run FreeNAS in production as a Virtual Machine!
FreeNAS Forums - How I did ZFS through FreeNAS on a 32bit proc with low memory.