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Figures
1
URComponentsforFibre-ChannelConnection................... 22
15
Data Transfer Speed with URz (Data Transfer Speed between the Primary Storage System
20
Example 2: Remote Copy Operations Among Three Primary Storage Systems and Three
23
Shared URz Primary Data Volume and SIz S-VOL, and URz Secondary Data Volume and SIz
2 URzComponents ............................... 23
3
Connection ConfigurationofPluralSecondaryStorageSystems............ 24
4
RemoteCopyOperations............................ 30
5
RemoteCopyOperations............................ 34
6
SelectingandSettlingJournalattheSecondarySubsystem.............. 39
7
Delta Resy
nc Setting in 3DC Multi-target Configuration (Before Failure Occurs) . . . . . 42
8
Delta Resync Setting in 3DC Multi-target Configuration (After Failure Occurred) . . . . . 44
9
URz Remote Copy Connection Configuration.................... 65
10 DirectRemoteCopyConnections......................... 66
11
SwitchRemoteCopyConnection......................... 66
12
ExtenderRemoteCopyConnection........................ 66
13
Data Transfer Speed with URz (Data Transfer Speed of Journal Volumes) . . . . . . . . 68
14
Data Transfer Speed with URz (InfluenceonJournalVolumeCapacity)......... 69
andtheSecondaryStorageSystem) ........................ 70
16
Using More Than One Primary and Secondary Subsystem for Remote Copy . . . . . . 72
17
A URz Operation When Two Primary Subsystems and Two Secondary Subsystems are Used 73
18
Time Stamps of Data that Have Not Been Restored to Secondary Data Volumes . . . . . 75
19
An Exam
pleofConnectionsamongSecondarySubsystems.............. 77
SecondaryStorageSystems............................ 78
21
SharedURzPrimaryDataVolumeandSIzS-VOL.................. 82
22
SharedURzSecondaryDataVolumeandSIzS-VOL ................ 83
S-VOL..................................... 8
3
24
SIzT-VOLinSplitStatusFunctioningasURzPrimaryDataVolume........... 84
25 RestoringaSIzS-VOL-Step1.......................... 85
26 RestoringaSIzS-VOL-Step2.......................... 85
27 Res
toringaSIzS-VOL-Step3.......................... 85
28
RestoringaSIzS-VOL-Step4.......................... 86
29 RestoringaSIzS-VOL-Step5.......................... 86
30 RestoringaSIzS-VOL-Step6.......................... 86
31 RestoringaSIzS-VOL-Step7.......................... 86
32 RestoringaSIzS-VOL-Step8.......................... 87
33 RestoringaSIzS-VOL-Step9.......................... 87
34
OverviewofSplitOperation........................... 88
35
3DC Cascading Configuration(CombiningURzwithTCz).............. 90
8
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