HP XP P9500

Contents
1 Introduction...............................................................................................6
P9500 overview.......................................................................................................................6
Hardware overview...................................................................................................................6
Controller chassis.................................................................................................................7
Drive chassis.......................................................................................................................8
Features..................................................................................................................................9
Scalability...........................................................................................................................9
High performance..............................................................................................................10
High capacity...................................................................................................................10
Connectivity......................................................................................................................11
P9500.........................................................................................................................11
Remote Web Console....................................................................................................11
High reliability...................................................................................................................11
Non disruptive service and upgrades....................................................................................11
Economical and quiet.........................................................................................................11
Specifications.........................................................................................................................12
Software features and functions................................................................................................13
2 Functional and operational characteristics....................................................17
System architecture overview....................................................................................................17
Hardware architecture.............................................................................................................17
RAID implementation overview.................................................................................................17
Array groups and RAID levels..............................................................................................17
Sequential data striping......................................................................................................19
LDEV striping across array groups........................................................................................19
CU Images, LVIs, and Logical Units...........................................................................................20
CU images.......................................................................................................................20
Logical Volume images.......................................................................................................21
Logical Units.....................................................................................................................21
Mainframe operations.............................................................................................................21
Mainframe compatibility and functionality.............................................................................21
Mainframe operating system support....................................................................................22
Mainframe configuration.....................................................................................................22
System option modes, host modes, and host mode options...........................................................22
System option modes..........................................................................................................22
Host modes and host mode options......................................................................................51
Open systems operations.........................................................................................................51
Open systems compatibility and functionality.........................................................................52
Open systems host platform support.....................................................................................52
Open systems configuration.................................................................................................52
Remote Web Console.............................................................................................................53
3 System components..................................................................................54
Controller chassis...................................................................................................................54
System control panel...............................................................................................................56
Drive chassis..........................................................................................................................57
Cache memory......................................................................................................................59
Memory operation..................................................................................................................60
Data protection......................................................................................................................60
Shared memory......................................................................................................................61
Flash storage chassis...............................................................................................................61
P9000 flash module...........................................................................................................61
Contents 3