HP XP P9500 Storage - Manual (Page 4)

Establishing connections between multiple secondary systems..................................................34
Planning extended consistency groups (EXCTG).....................................................................34
Planning for previous models ...................................................................................................35
Guidelines for preparing systems for Continuous Access Journal Z.................................................36
System option modes..........................................................................................................36
4 Planning the data path..............................................................................39
Data path design workflow .....................................................................................................39
Sizing bandwidth ..................................................................................................................39
Five sizing strategies ..........................................................................................................39
Calculating bandwidth ......................................................................................................40
Sizing bandwidth for peak write-workload........................................................................40
Sizing bandwidth for peak rolling average write-workload..................................................41
Latency .......................................................................................................................42
Packet loss ...................................................................................................................42
Planning ports for data transfer ................................................................................................43
Determining required number of ports ..................................................................................43
On setting up ports ...........................................................................................................44
Distances supported for Fibre Channel type, number of switches ..................................................44
Supported data path configurations .........................................................................................45
5 Using extended consistency groups.............................................................47
Overview .............................................................................................................................47
Register journals in an EXCTG .................................................................................................49
Split, restore, release pairs in an EXCTG ...................................................................................50
Pair-split operation.............................................................................................................50
Operations for a specific journal .........................................................................................50
Remove journals from an EXCTG ..............................................................................................51
Forcibly remove journals.....................................................................................................52
Using EXCTGs with P9500.......................................................................................................52
6 Configuration operations...........................................................................55
Configuration workflow ..........................................................................................................55
Define Fibre Channel port attributes .........................................................................................55
Configure storage systems for Continuous Access Journal Z, define logical paths ............................57
Configure additional logical paths ...........................................................................................59
Specify number of volumes for initial copy, resync ......................................................................60
Register journal volumes in a journal.........................................................................................62
7 Pair operations.........................................................................................66
Pair operations workflow.........................................................................................................66
Check pair status....................................................................................................................66
Create the initial copy ............................................................................................................66
Split a pair ...........................................................................................................................70
Split a mirror..........................................................................................................................72
Create a point-in-time copy .....................................................................................................72
Restore a pair........................................................................................................................73
Resynchronize a mirror............................................................................................................75
Delete a pair ........................................................................................................................76
Delete pair volumes from a mirror.............................................................................................78
8 Monitoring the system...............................................................................79
Monitor pair activity, status......................................................................................................79
Pair status definitions..........................................................................................................79
Suspend types..............................................................................................................82
Suspension conditions from the secondary system..............................................................83
Filtering Information in the List in the Pair Operation window...............................................84
4 Contents