HP StorageWorks XP24000/XP20000 Thin Provisioning Software User Guide (T5227-96015, May 2011)

Contents
1 Overview of HP StorageWorks XP Thin Provisioning Software...........................6
XP Thin Provisioning Features......................................................................................................6
XP Thin Provisioning Benefits......................................................................................................6
Nondisruptive Addition of Physical Disks.................................................................................7
Improved Performance..........................................................................................................7
Reduced Storage Acquisition Costs........................................................................................7
Simplified Replication Planning..............................................................................................7
Complementary Software..........................................................................................................8
2 About XP Thin Provisioning Operations..........................................................9
XP Thin Provisioning Components................................................................................................9
Relationship between XP Thin Provisioning volumes and pools...................................................9
Supported Configurations.....................................................................................................9
Pools................................................................................................................................10
V-VOLs.............................................................................................................................10
Growing a V-VOL .........................................................................................................10
Reclaiming Pages from a V-VOL......................................................................................11
V-VOL Management Table...................................................................................................11
Managing Pool Capacity.........................................................................................................12
Monitoring Pool Usage Levels..............................................................................................13
Full Pool Handling..............................................................................................................14
Thresholds.........................................................................................................................15
SIM Reference Codes.........................................................................................................16
Pool Status........................................................................................................................17
Balancing I/O Load Across the Pool.....................................................................................18
Interoperability with Other Products and Functions......................................................................18
Using XP Continuous Access Software..................................................................................21
Using XP Continuous Access Journal Software........................................................................21
Using XP Business Copy Software........................................................................................22
Using XP Disk/Cache Partition.............................................................................................23
Using XP Auto LUN............................................................................................................23
3 Preparing for XP Thin Provisioning Operations..............................................24
Preparing the Storage System and Remote Web Console Computers.............................................24
Hardware and Software Requirements..................................................................................24
License Requirements..........................................................................................................24
Shared Memory Requirements.............................................................................................24
Operating System and File System Capacity..........................................................................24
Volume and Pool Requirements............................................................................................26
Installing and Uninstalling XP Thin Provisioning...........................................................................28
Installing XP Thin Provisioning..............................................................................................28
Uninstalling XP Thin Provisioning..........................................................................................28
4 Using the XP Thin Provisioning GUI.............................................................29
Pool Window.........................................................................................................................29
V-VOL Window......................................................................................................................34
XP Thin Provisioning Window...................................................................................................38
New Pool Dialog Box..............................................................................................................40
Change Pool Information Dialog Box.........................................................................................41
Contents 3