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Planning ports...................................................................................................................37
Port requirements...........................................................................................................37
Error reporting communications................................................................................................37
4 Sharing Continuous Access Synchronous Z volumes......................................39
Volume types that can be shared with Continuous Access Synchronous Z.......................................39
Continuous Access Journal Z....................................................................................................41
Business Copy Z.....................................................................................................................41
Configurations with Business Copy Z S-VOLs.........................................................................41
Configurations with Business Copy Z T-VOLs..........................................................................42
Status reporting, data currency............................................................................................43
Virtual LVI/LUN......................................................................................................................43
Cache Residency....................................................................................................................44
Compatible XRC and CC.........................................................................................................44
Auto LUN..............................................................................................................................44
Restrictions........................................................................................................................44
5 Configuration operations...........................................................................45
Configuration workflow...........................................................................................................45
Define port attributes...............................................................................................................45
Configure disk arrays and define logical paths...........................................................................46
Configure additional logical paths............................................................................................51
Set number of volumes to be copied concurrently, path watch time................................................52
6 Pair operations.........................................................................................55
Pair operations workflow.........................................................................................................55
Check pair status....................................................................................................................55
Create pairs..........................................................................................................................55
Suspend pairs........................................................................................................................58
Resynchronize pairs................................................................................................................59
Delete pairs...........................................................................................................................59
Change fence level, other pair options......................................................................................60
7 Monitoring and maintenance.....................................................................61
Monitor pair status..................................................................................................................61
How pair status changes.....................................................................................................61
Pair status definitions..........................................................................................................61
Suspend types..............................................................................................................62
System behavior............................................................................................................63
Export pair information...........................................................................................................64
Monitor copy operations, I/O .................................................................................................64
Select data to be graphed .................................................................................................65
Resize graph, save data.................................................................................................66
Monitor, maintain logical paths................................................................................................66
Logical path status definitions..............................................................................................67
Delete logical paths...........................................................................................................67
RCU maintenance...................................................................................................................68
Change minimum paths, round trip time, other RCU options....................................................68
Add, delete SSIDs for an RCU.............................................................................................68
Delete Continuous Access Synchronous Z..............................................................................69
Managing power-off for disk arrays and network devices.............................................................69
General information...........................................................................................................69
Planned outage of the main disk array..................................................................................70
Planned outage of the remote disk array or data path.............................................................70
Planned outage of the main and remote systems....................................................................70
Miscellaneous maintenance.....................................................................................................71
ICKDSF maintenance..........................................................................................................71
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