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HP StorageWorks XP Remote Web Console Software User Manual

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Contents

1 Overview of Universal Replicator for Mainframe.............................................8

Universal Replicator for Mainframe.............................................................................................8
Features..................................................................................................................................9
Benefits...................................................................................................................................9
Business Solutions...................................................................................................................10

2 About Universal Replicator for Mainframe Operations...................................11

Functionality Overview............................................................................................................11

Journal Obtain..................................................................................................................12
Journal Copy.....................................................................................................................12
Journal Restore..................................................................................................................12

Components..........................................................................................................................13

XP Storage Systems............................................................................................................14
Universal Replicator for Mainframe Software.........................................................................17
Main and Remote Control Units...........................................................................................17
LDKC...............................................................................................................................18
Remote Copy Connections..................................................................................................18
Initiator Ports and RCU Target Ports.......................................................................................18
Data Volume Pair...............................................................................................................19
Journal Volume..................................................................................................................19

The Number of Journal Volumes......................................................................................20
Specifications of Journal Volumes....................................................................................20
Restrictions on Journal Volumes.......................................................................................20
Journal Volume Areas....................................................................................................21

Journal Group...................................................................................................................21

Extended Consistency Groups.........................................................................................22

Functionality of Host...........................................................................................................24

Host I/O Time Stamp.....................................................................................................24
ERC.............................................................................................................................24

Remote Copy Operations.........................................................................................................25

Initial Copy Operation........................................................................................................25
Update Copy Operation.....................................................................................................26
Journal Group Operations...................................................................................................27

Timer Type Option.........................................................................................................27
Journal Group Operations..............................................................................................28

Read and Write I/O Operations During Universal Replicator for Mainframe Operations.............28
Secondary Data Volume Write Option..................................................................................29
Secondary Data Volume Read Option..................................................................................29
Difference Management.....................................................................................................29

Journal Processing..................................................................................................................29

Journal Processing at the Primary Storage System...................................................................30

Types of Journal............................................................................................................30

Journal Processing at the Secondary Storage System..............................................................30

Storing Journal at the Secondary Storage System...............................................................31
Selecting and Restoring Journal at the Secondary Storage System........................................31

Universal Replicator for Mainframe Delta Resync Operation.........................................................32
Journal Obtain in TrueCopy for Mainframe Synchronous Secondary Site........................................33
Switching the Master Journal Group of Universal Replicator for Mainframe.....................................34
Pair Status.............................................................................................................................36

Suspend Types...................................................................................................................40
Suspension Condition.........................................................................................................42

XP for Business Continuity Manager Software Support.................................................................43

Contents

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