HP XP External Storage Software - Manual (Page 3)

Contents
About this guide ................................................................................. 11
Supported storage platforms and firmware ................................................................................... 11
Intended audience .................................................................................................................... 11
Prerequisites ............................................................................................................................. 11
Related documentation .............................................................................................................. 11
Document conventions and symbols ............................................................................................. 12
HP technical support ................................................................................................................. 13
Subscription service .................................................................................................................. 13
HP web sites ............................................................................................................................ 13
Documentation feedback ........................................................................................................... 13
1 Overview of connecting external arrays .............................................. 15
External Storage XP features ....................................................................................................... 15
2 Preparing for External Storage XP operations ....................................... 19
System requirements .................................................................................................................. 19
Storage arrays that can be connected as external arrays ......................................................... 20
External Storage XP requirements ................................................................................................ 23
Installing External Storage XP ..................................................................................................... 23
Preparing for External Storage XP settings .................................................................................... 24
External ports .................................................................................................................... 24
External LU to be mapped ................................................................................................... 24
External LU groups ............................................................................................................. 25
External LU attributes set by mapping .................................................................................... 25
Alternate paths .................................................................................................................. 26
Example of an alternate path configuration ..................................................................... 27
Examples of switching I/O execution paths to alternate paths ............................................ 28
Powering arrays on or off ........................................................................................................... 32
Powering local arrays on or off ............................................................................................ 34
To power local arrays off .............................................................................................. 34
To power local arrays on .............................................................................................. 34
Powering external arrays on or off ........................................................................................ 35
To power external arrays off .......................................................................................... 35
To power external arrays on .......................................................................................... 35
Turning On or Off Power Supply of Both local and external arrays ............................................ 35
Using mapped external LUs from the host connected to the local array ............................................. 36
Writing new data to mapped external LUs ............................................................................. 36
Using existing data in mapped external LUs ........................................................................... 38
Uninstalling External Storage XP ................................................................................................. 39
Limitations on External Storage XP operations ............................................................................... 40
Combining External Storage XP with other HP StorageWorks products ............................................. 46
Using external LUs for Auto LUN XP operations ....................................................................... 48
Using external LUs for Continuous Access XP operations .......................................................... 50
Using external LUs for Continuous Access XP Journal operations ............................................... 51
External Storage XP user guide for the XP12000, XP10000, SVS200 3