Compex Systems Advanced SerialRAID Adapters SA33-3285-02 - Manual (Page 300)

Files
/dev/pdisk0, /dev/pdisk1, ..., /dev/pdiskn
Provide an interface to allow SSA device drivers to access SSA physical disk
drives.
/dev/hdisk0, /dev/hdisk1,..., /dev/hdiskn
Provide an interface to allow SSA device drivers to access SSA logical disk
drives.
280 User’s Guide and Maintenance Information