HP StorageWorks XP Remote Web Console Software User Manual
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Contents
1 Overview of TrueCopy for Mainframe...........................................................8
TrueCopy for Mainframe............................................................................................................8
Feature Highlights.....................................................................................................................8
Business Benefits.......................................................................................................................9
Applications of TrueCopy Synchronous and TrueCopy Asynchronous...............................................9
2 About TrueCopy for Mainframe Operations.................................................10
Storage Systems.................................................................................................................11
Control Units (MCUs and RCUs)...........................................................................................14
Pairs (M-VOLs and R-VOLs)..................................................................................................14
Remote Copy Connections..................................................................................................15
Initiator Ports and RCU Target Ports.......................................................................................16
TrueCopy Software.............................................................................................................16
TrueCopy Open/MF Consistency Groups..............................................................................17
Asynchronous Consistency Groups.......................................................................................17
Host I/O Time-Stamping Function.........................................................................................18
Error Reporting Communications..........................................................................................18
Initial Copy Operation........................................................................................................19
Update Copy Operation.....................................................................................................19
Read and Write I/O Operations for TrueCopy for Mainframe Volumes.....................................20
R-VOL Read Option............................................................................................................21
Creating and Storing Recordsets at the MCU.........................................................................22
Sending Recordsets to the RCU............................................................................................22
Storing Recordsets at the RCU..............................................................................................22
Selecting and Settling Recordsets at the RCU.........................................................................22
Types of Recordsets............................................................................................................23
Inflow Control of Recordsets................................................................................................23
Graduated Delay Sidefile Management................................................................................25
TrueCopy Open/MF Consistency Group Operations...................................................................26
TrueCopy for Mainframe Async Consistency Group Operations....................................................31
Group Options..................................................................................................................32
Group Consistency Time.....................................................................................................32
Group Operations.............................................................................................................33
Suspended Pairs................................................................................................................35
Suspended TrueCopy for Mainframe Async Pairs....................................................................38
P/DAS Support..................................................................................................................46
GDPS Support...................................................................................................................46
RMF PPRC Link-path Statistical Information Support.................................................................47
TPC-R Cooperation Support.................................................................................................49
ShadowImage for Mainframe..............................................................................................54
Universal Replicator for Mainframe.......................................................................................58
Contents
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