Hitachi Universal Replicator for z/OS user guide for XP12000/XP10000 Disk Arrays and SVS 200 (T1778-96007, October 2007)

..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
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