HP StorageWorks XP24000/XP20000 Continuous Access Journal Software User Guide (T5278-96048, November 2011)

Requirements for Creating an XP Continuous Access Journal Pair for the Delta Resync
Operation....................................................................................................................89
Requirements for Performing the Delta Resync Operation....................................................89
Configuring Delta Resync Operation Environment that uses Remote Command Devices...........91
Changing to a 3DC Multi-Target Configuration After Recovering from Primary Site Failures.....93
Transferring Business Tasks from an XP Continuous Access Secondary Site to the Primary Site
(in a 3DC Cascading Configuration)...............................................................................93
Transferring Business Tasks from the XP Continuous Access Secondary Site to the Primary Site
(in a 3DC Multi-target Configuration)...............................................................................94
Transferring Business Tasks from XP Continuous Access Secondary Site to Primary Site (When
Delta Resync Operation is Performed in 3DC Multi-target Configuration)...............................95
Recovering from Failures at the Primary Site and the XP Continuous Access Synchronous
Secondary Site.............................................................................................................98
Transferring Business Tasks from the XP Continuous Access Journal Secondary Site to the
Primary Site..................................................................................................................99
XP Continuous Access Synchronous (2DC Configuration).......................................................100
Basic Behavior.................................................................................................................101
Hardware Configuration...................................................................................................102
Setup Procedure..............................................................................................................103
Restrictions About 2DC.....................................................................................................104
Changing to 2DC Configuration after Recovering from Primary Site Failures............................105
Data Retention Utility........................................................................................................106
Performance Monitor........................................................................................................108
XP Auto LUN Software...........................................................................................................108
Planning of Journal Volumes...................................................................................................109
Data Transfer Speed Required for Journal Volumes...............................................................109
RAID Group Configuration and Journal Group Configuration.................................................110
Arranging Journal Volumes................................................................................................110
Journal Volume Capacity..................................................................................................110
Journal Volumes in Restore Journal Groups..........................................................................111
Factors That Determine Data Transfer Speed Between the Primary and Secondary Storage System...112
Bandwidth of Data Transfer Paths.......................................................................................112
Journal Transfer Speed of the DKC.....................................................................................112
Performing Remote Copy Between an XP12000/XP10000 Disk Array and an XP24000/XP20000
Disk Array...........................................................................................................................113
Logical Storage System (LDKC) That Can Be Connected to an XP12000/XP10000 Disk Array....113
Volume that can Be Used to Create Pairs.............................................................................114
Connection with an HP XP12000/XP10000 Disk Array for a 3DC Remote Copy Configuration...114
4 Using the XP Continuous Access Journal GUI..............................................116
Journal Operation Window....................................................................................................116
Pair Operation Window........................................................................................................121
DKC Operation Window.......................................................................................................130
Viewing Information about Remote Storage Systems..............................................................132
Viewing Information about Logical Paths.............................................................................133
Viewing Information about Ports on the Local Storage System.................................................134
Usage Monitor Window........................................................................................................135
History Window...................................................................................................................136
Optional Operation Window.................................................................................................141
5 Configuring Storage Systems and Logical Paths..........................................143
Reviewing System Configuration Tasks.....................................................................................143
Configuring Port Attributes.....................................................................................................144
Configuring Storage System Options.......................................................................................145
Establishing the Relationship Between Primary and Secondary Storage Systems (Add DKC)............147
Changing Options for Logical Paths and Storage Systems..........................................................149
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