Operating System Software User Manual

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