HP XP Array Manager Software User Manual

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Contents

1 Overview of HP StorageWorks XP Cache Residency Manager..........................5

2 About Cache Residency Manager Operations................................................6

Pre-staging Specific Data...........................................................................................................6
Cache Residency Modes...........................................................................................................7

Priority Mode......................................................................................................................7
Bind Mode.........................................................................................................................7
Changing from Priority Mode to Bind Mode............................................................................8

Using Pre-staging for Immediate Data Access in Priority and Bind Modes.........................................8

3 Preparing for Cache Residency Manager Operations....................................10

Preparing Storage System and Remote Web Console Computers..................................................10
System Requirements...............................................................................................................10
Enabling the Cache Residency Option.......................................................................................10
Launching Cache Residency.....................................................................................................11
Required Cache Size for Cache Residency.................................................................................11

Cache Requirements for Open-Systems..................................................................................12
Cache Requirements for Mainframe Systems..........................................................................14

Cache Residency Cache Extents...............................................................................................15
Cache Residency Manager Restrictions......................................................................................16
HP StorageWorks XP Disk/Cache Partition Support Requirements..................................................18

4 Using the Cache Residency Manager GUI...................................................19

Cache Residency Window.......................................................................................................19

CLPR list ...........................................................................................................................21
Pre-staging checkbox..........................................................................................................21
CU:LDEV tree....................................................................................................................21
LDEV Information Table.......................................................................................................22
Cache Information Area......................................................................................................24
Operations Box.................................................................................................................26
Apply and Cancel.............................................................................................................29

Multi Set Dialog Box...............................................................................................................29
Multi Release Dialog Box.........................................................................................................31

5 Performing Cache Residency Manager Operations.......................................33

Placing Specific Data into Cache Residency Cache.....................................................................33
Placing LDEVs into Cache Residency Cache...............................................................................37
Releasing Specific Data from Cache Residency Cache.................................................................40
Releasing LDEVs from Cache Residency Cache...........................................................................42
Changing Modes after Cache Residency is Registered in Cache...................................................44

6 Troubleshooting........................................................................................46

Troubleshooting......................................................................................................................46
Calling HP Technical Support...................................................................................................46

7 Support and Other Resources.....................................................................47

Related Documentation............................................................................................................47

Contents

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