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

Contents
1 Overview of XP Continuous Access Software..................................................7
XP Continuous Access...............................................................................................................7
Feature Highlights.....................................................................................................................7
Business Benefits.......................................................................................................................8
Applications of XP Continuous Access Synchronous and XP Continuous Access Asynchronous.............8
Program Products that Require XP Continuous Access.....................................................................8
2 About XP Continuous Access Operations.......................................................9
XP Continuous Access Components.............................................................................................9
Storage Systems.................................................................................................................10
Main and Remote Control Units (MCUs and RCUs).................................................................11
Pairs (P-VOLs and S-VOLs)...................................................................................................12
Synchronous Consistency Groups.........................................................................................13
Asynchronous Consistency Groups.......................................................................................14
Remote Copy Connections..................................................................................................14
Initiator Ports and RCU Target Ports.......................................................................................15
Storage System XP Continuous Access Remote Web Console Software......................................15
Host Failover Software........................................................................................................16
XP Continuous Access Remote Copy Operations.........................................................................16
Initial Copy Operation........................................................................................................16
Update Copy Operation.....................................................................................................17
Read and Write I/O Operations for XP Continuous Access Volumes.........................................18
S-VOL Write Option...........................................................................................................19
Difference Management.....................................................................................................19
XP Continuous Access Asynchronous Recordset Operations..........................................................21
Creating and Storing Recordsets at the MCU.........................................................................21
Sending Recordsets to the RCU............................................................................................21
Storing Recordsets at the RCU..............................................................................................22
Selecting and Settling Recordsets at the RCU.........................................................................22
Types of Recordsets............................................................................................................23
Inflow Control of Recordsets................................................................................................23
XP Continuous Access Synchronous Consistency Group Operations...............................................24
XP Continuous Access Asynchronous Consistency Group Operations.............................................29
Group Options..................................................................................................................30
Group Operations.............................................................................................................30
Pair Status.............................................................................................................................31
XP Continuous Access Split Types (PSUS)...............................................................................33
XP Continuous Access Suspend Types...................................................................................34
XP Continuous Access Asynchronous Suspension Conditions....................................................35
Interoperability with Other Products and Functions......................................................................36
XP Business Copy...............................................................................................................40
Data Retention Utility..........................................................................................................43
LUN Expansion..................................................................................................................44
Custom Volume Size...........................................................................................................44
Cache Residency Manager.................................................................................................45
LUN Manager...................................................................................................................45
XP Thin Provisioning...........................................................................................................45
Performance Monitor..........................................................................................................45
XP Performance Control Software.........................................................................................46
XP Auto LUN Software........................................................................................................46
Restriction for Connecting with Former Model of Storage System..............................................48
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