Release notes for hpsa driver on VMware release .74-1.0:

The hpsa driver teams with HP Smart Array controllers and Smart HBA products to provide a full range of storage connectivity options on ProLiant Gen9 initial release servers.

New features include:
New Smart Array controller support:
HP Smart Array P244br
HP Smart Array P440
HP Smart Array P440ar
HP Smart Array P441
HP Smart Array P840

New Smart HBA support:
HP Smart HBA H240
HP Smart HBA H240ar
HP Smart HBA H241
HP Smart HBA H244br

HBA mode for RAID controllers:
Besides operating in their traditional RAID controller mode, the newly added Smart Array controllers now support HBA mode capability, where they may be switched to operate as an HBA, directly presenting physical disks to the operating system, instead of RAID-protected logical disks.

RAID mode for HBA controllers:
Smart HBA products may operate either in HBA mode, directly presenting physical disks to the operating system, or they may be switched into simple RAID mode, where they are capable of RAID 0, 1, and 5 mode, without acceleration or cache module support.

Performance improvements:
The hpsa driver has been extensively refactored for significant performance improvements over previous versions. 

Bug fixes:
Includes all fixes released in the .60-1.0 driver release.
