HP StorageWorks XP24000/XP20000 Continuous Access Software User Guide (T5278-96049, November 2011)

Optimizing XP Continuous Access Operations and Storage System Performance...........................113
Discontinuing XP Continuous Access Operations.......................................................................114
6 Performing XP Continuous Access Pair Operations......................................116
Preparing for XP Continuous Access Pair Operations.................................................................116
Pair Operation Window...................................................................................................117
XP Continuous Access Snapshot Function............................................................................118
Creating XP Continuous Access Pairs.......................................................................................119
Initial Copy Options.........................................................................................................124
Pair Options....................................................................................................................125
Changing Pair Options..........................................................................................................125
Viewing XP Continuous Access Pair Status................................................................................127
Splitting XP Continuous Access Pairs........................................................................................130
Resynchronizing XP Continuous Access Pairs............................................................................134
Releasing XP Continuous Access Pairs.....................................................................................137
Powering Off/On XP Continuous Access Components...............................................................141
Planned Outage of the MCU.............................................................................................141
Planned Outage of the RCU or Remote Copy Connection......................................................142
Planned Outage of the MCU and RCU...............................................................................142
Pinned Track Recovery for XP Continuous Access Volumes..........................................................142
7 Usage Scenarios....................................................................................144
Data Migration Using XP Continuous Access Synchronous..........................................................144
Point-in-Time (PiT) Data Duplication Using XP Continuous Access Asynchronous.............................145
Using XP Continuous Access for Disaster Recovery Operations....................................................145
Considering the P-VOL Fence Level Setting...........................................................................146
Setting the Fence Level......................................................................................................147
Transferring Sense Information Between Sites.......................................................................147
File and Database Recovery Procedures..............................................................................147
Switching Operations to the Remote Site.............................................................................148
Analyzing the Currency of XP Continuous Access Synchronous S-VOLs....................................148
Analyzing the Consistency of XP Continuous Access Asynchronous S-VOLs..............................149
Transferring Operations Back to the Primary Site..................................................................150
Resuming Normal Operations at the Primary Site.................................................................151
8 Troubleshooting......................................................................................152
General Troubleshooting........................................................................................................152
Error Codes and Messages....................................................................................................157
Troubleshooting When Using RAID Manager...........................................................................157
SIM Report..........................................................................................................................165
Calling HP Technical Support.................................................................................................166
9 Support and Other Resources...................................................................167
Related Documentation..........................................................................................................167
Conventions for Storage Capacity Values.................................................................................167
HP Technical Support............................................................................................................167
Subscription Service..............................................................................................................168
HP Websites........................................................................................................................168
Documentation Feedback.......................................................................................................168
A XP Continuous Access Load Balancing and Sidefile Management and Control.169
B Retention of Pair Consistency using the Consistency Group of the XP Continuous
Access Synchronous...................................................................................171
Automatic Registration for the Consistency Groups....................................................................171
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