HP XP7 Storage - Manual (Page 4)

Maximum number of pairs supported...................................................................................37
Calculating maximum number of pairs.............................................................................37
Priority for initial copy operations and scheduling order..........................................................38
Example 1: more initial copies than previously specified.....................................................39
Example 2: initial copy started, new pairs added..............................................................39
Consistency group planning.....................................................................................................40
Consistency group for pairs in one primary and one secondary XP7........................................40
Consistency group for pairs in multiple primary and secondary systems....................................40
Consistency group requirements ..........................................................................................41
Requirements for a CTG for one primary and one secondary system....................................41
Requirements for a CTG for multiple primary and secondary systems....................................42
Assigning pairs to a consistency group.................................................................................42
Assigning pairs belonging to one primary and secondary system........................................42
Assigning pairs belonging to multiple primary and secondary systems.................................42
Split behaviors for pairs in a CG..........................................................................................44
Host access after split....................................................................................................45
Pair status before and after a split operation.....................................................................45
Error reporting communications................................................................................................46
Data path requirements and configurations................................................................................46
Bandwidth requirements......................................................................................................46
Fibre Channel requirements.................................................................................................46
Supported data path configurations.....................................................................................47
Direct connection..........................................................................................................47
Switch connection.........................................................................................................47
Extender connection......................................................................................................48
Ports.................................................................................................................................49
Port requirements ..........................................................................................................49
Port attributes................................................................................................................49
4 Sharing Continuous Access Synchronous Z volumes......................................50
Volume types that can be shared with Continuous Access Synchronous Z.......................................50
Thin Provisioning Z ................................................................................................................52
global virtualization................................................................................................................53
Performance Monitor...............................................................................................................54
Business Copy Z.....................................................................................................................54
Configurations with Business Copy Z P-VOLs..........................................................................54
Configurations with Business Copy Z S-VOLs.........................................................................55
Status reporting and data currency.......................................................................................56
Continuous Access Journal Z....................................................................................................56
Virtual LVI..............................................................................................................................57
Auto LUN .............................................................................................................................57
Restrictions........................................................................................................................57
Volume Retention....................................................................................................................57
5 Cnt Ac-S Z configuration............................................................................59
Configuration workflow...........................................................................................................59
Defining port attributes............................................................................................................59
Setting up primary and secondary systems for Cnt Ac-S Z............................................................60
Setting # of vols. copied, path blockade, other options................................................................62
Changing SCP time................................................................................................................65
6 Cnt Ac-S Z pair operations.........................................................................66
Pair operations workflow.........................................................................................................66
Checking pair status...............................................................................................................66
Creating pairs........................................................................................................................66
Splitting pairs.........................................................................................................................69
4 Contents