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Figures – HP 3PAR Operating System Software User Manual

Page 10

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Figures

1

Unidirectional 1-to-1 Remote Copy......................................................................................16

2

Bidirectional 1-to-1 Remote Copy........................................................................................17

3

N-to-1 Remote Copy.........................................................................................................18

4

1-to-N Remote Copy.........................................................................................................19

5

M-to-N Remote-Copy Configuration—Example.....................................................................20

6

SLD Remote Copy............................................................................................................21

7

Remote Copy Links...........................................................................................................23

8

Remote-Copy Links...........................................................................................................26

9

Network and RCIP Setup—Example Initial Pair.....................................................................27

10

Network and RCIP Setup—Example Initial-Pair Worksheet.....................................................28

11

Network and RCIP Setup Information—Example Additional Pairs Worksheet............................29

12

Network and RCFC Setup.................................................................................................35

13

Network and RCFC Setup Information—Example Worksheet.................................................35

14

RCFC Dedicated Node Pairs.............................................................................................36

15

N-to-1 Remote-Copy Configuration Supporting Four Primary Systems.......................................43

16

N-to-1 Remote-Copy Configuration.....................................................................................44

17

1-to-N Remote-Copy Configuration.....................................................................................45

18

Unidirectional 1-to-1 Remote-Copy Pair—Example.................................................................46

19

N-to-1 Remote-Copy Configuration—Example......................................................................47

20

Example 1-to-N Remote-Copy Configuration........................................................................48

21

SLD Remote-Copy Configuration—Example.........................................................................63

22

SLD Remote-Copy Configuration, Normal Operation.............................................................71

23

Failure of an Individual Volume Group in SLD Remote-Copy Configuration...............................72

24

SystemA-to-System B Failover in SLD Remote-Copy Configuration............................................72

25

SystemA Becomes the Secondary-Reverse System.................................................................73

26

SystemA-to-SystemC Failover..............................................................................................74

27

SystemC Becomes Primary-Reverse System...........................................................................74

28

SystemA Becomes Secondary-Reverse System.......................................................................75

29

Unidirectional Remote-Copy Configuration—Example...........................................................77

30

Bidirectional Remote-Copy Configuration—Example.............................................................87

31

Target Definitions for a Bidirectional Remote-Copy Pair........................................................100

32

Supported Sending-Link Connections................................................................................103

33

Sending Links for a Remote-Copy Pair—Example................................................................104

34

Volume Mapping between Unidirectional Primary and Backup Systems.................................113

35

Volume Mapping between Bidirectional Primary and Backup Systems...................................114

36

Remote Copy in Synchronous Mode.................................................................................121

37

Remote Copy in Asynchronous Periodic Mode....................................................................122

38

Snapshot Creation before Resynchronization (Asynchronous Periodic Mode)...........................124

39

Full Synchronization Using Primary Volume Snapshots (Asynchronous Periodic Mode)..............125

40

Fast Resynchronization Using Resynchronization Snapshots..................................................126

41

Quorum Witness Update and Status Messaging................................................................134

42

Peer Persistence with Synchronous Remote Copy.................................................................134

43

HP 3PAR Quorum Witness..............................................................................................135

44

Manual Peer Persistence Switchover..................................................................................136

45

HP 3PAR Peer Persistence—Working Principle....................................................................137

46

Transition States.............................................................................................................138

47

Secondary Path Activates................................................................................................138

48

I/O Service Starts..........................................................................................................139

49

Role Reversal Begins.......................................................................................................140

50

Role Reversal Is Complete................................................................................................140

51

Manual Transparent Switchover Is Complete......................................................................141

52

VMware vMSC Certification—Uniform Host Access............................................................143