HP StorageWorks XP Remote Web Console Software - Manual (Page 3)

Contents
1 Overview of connecting external arrays .............................................. 13
XP External Storage features ....................................................................................................... 13
2 Preparing for XP External Storage operations ....................................... 17
Supported storage platforms and firmware ................................................................................... 17
Prerequisites ............................................................................................................................. 17
System requirements .................................................................................................................. 17
Storage arrays that can be connected as external arrays ......................................................... 18
XP External Storage requirements ................................................................................................ 21
Installing XP External Storage ..................................................................................................... 22
Preparing for XP External Storage settings .................................................................................... 22
External ports .................................................................................................................... 23
External LU to be mapped ................................................................................................... 23
External LU groups ............................................................................................................. 23
External LU attributes set by mapping .................................................................................... 24
Alternate paths .................................................................................................................. 25
Example of an alternate path configuration ..................................................................... 26
Examples of switching I/O execution paths to alternate paths ............................................ 27
Powering arrays on or off ........................................................................................................... 31
Commands for Turning On or Off Only an External Array ....................................................... 32
Powering local arrays on or off ............................................................................................ 32
To power local arrays off .............................................................................................. 32
To power local arrays on .............................................................................................. 33
Powering external arrays on or off ........................................................................................ 33
To power external arrays off .......................................................................................... 33
To power external arrays on .......................................................................................... 34
Turning On or Off Power Supply of Both local and external arrays ............................................ 34
Using mapped external LUs from the host connected to the local array ............................................. 35
Writing new data to mapped external LUs ............................................................................. 35
Using existing data in mapped external LUs ........................................................................... 36
Uninstalling XP External Storage ................................................................................................. 38
Limitations on XP External Storage operations ............................................................................... 38
Combining XP External Storage with other HP StorageWorks products ............................................. 46
Using external LUs for XP Auto LUN operations ....................................................................... 48
Using external LUs for XP Continuous Access operations .......................................................... 50
Using external LUs for XP Continuous Access Journal operations ............................................... 51
Using external LUs for XP Business Copy operations ................................................................ 52
Using external LUs for XP Snapshot Software operations .......................................................... 53
3 Managing cache with external storage ............................................... 55
Guidelines for using cache with external storage ........................................................................... 55
Determining, setting, or changing the external LU cache mode ........................................................ 56
Determining if the cache mode is disabled ............................................................................ 56
Changing the cache mode .................................................................................................. 57
XP External Storage Software User Guide 3