We have a few s7x00 which we are very happy with, but there are a few additional features we would love to have.
ZFS S7000 missing feature wish list.
File system across multiple nodes
Auto balancing for file systems in same pool and across pools
Transparent pool migration
Throttle by client network usage
Throttle by client iop's
Support for replication sync
Support for multiple windows domains
One central BUI(gui) for all s7000
Better Oracle Enterprise Manager Ops Center integration
Smarter De-Duplication, being able to De-Dup backup file's and such
Enable to block specific files by file extension