HP StorageWorks XP Remote Web Console Software - Manual (Page 3)

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
TrueCopy for Mainframe Components.......................................................................................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
Remote Copy Operations.........................................................................................................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
TrueCopy for Mainframe Async Recordset Operations.................................................................21
Creating and Storing Recordsets at the MCU.........................................................................21
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..................................................................................................................31
Group Consistency Time.....................................................................................................32
Group Operations.............................................................................................................33
Pair Status.............................................................................................................................33
Suspended Pairs................................................................................................................35
Suspended TrueCopy for Mainframe Async Pairs....................................................................38
Business Continuity Manager Support.......................................................................................39
Command Device..............................................................................................................43
F/M = FB Message Output Control Option when Operating R-VOLs.........................................43
PPRC Support.........................................................................................................................44
P/DAS Support..................................................................................................................45
GDPS Support...................................................................................................................45
RMF PPRC Link-path Statistical Information Support.................................................................46
TPC-R Cooperation Support.................................................................................................49
Interoperability with Other Products and Functions......................................................................49
ShadowImage for Mainframe..............................................................................................53
Universal Replicator for Mainframe.......................................................................................57
Virtual LVI.........................................................................................................................57
Cache Residency Manager.................................................................................................57
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