HP XP P9500 Storage - Manual (Page 4)

Choosing mapping policy........................................................................................................30
Port discovery and volume discovery....................................................................................30
System requirements................................................................................................................31
Storage systems supported as external storage systems...........................................................31
External Storage requirements.............................................................................................32
Guidelines for External Storage operations.................................................................................32
Mapping guidelines...........................................................................................................32
Recommended applications according to HDD type...............................................................33
Capacity guidelines...........................................................................................................34
Guidelines for mainframe volumes.......................................................................................35
Volume attribute guidelines.................................................................................................35
Creating LUSE volume guidelines.........................................................................................36
Maintenance guidelines for an external storage system...........................................................36
Performance and status guidelines........................................................................................36
RAID level considerations....................................................................................................37
Thunder 9500V series guidelines.........................................................................................37
AMS 2000 series guidelines...............................................................................................37
5 Flowchart................................................................................................39
Overview of operations to make external volumes usable from a host............................................39
Overview of operations after making external volumes usable from a host......................................40
6 Performing External Storage operations.......................................................41
Setting ports..........................................................................................................................41
Setting ports of external storage systems...............................................................................41
Setting port attribute for local storage system.........................................................................41
Mapping an external volume...................................................................................................41
Setting the external paths.........................................................................................................42
Create new path group and configure external paths..............................................................43
Add external path to existing path group..............................................................................43
Change configured external path priority..............................................................................44
Cancel external path configuration.......................................................................................44
Changing an external path.................................................................................................45
Replace all external paths with newly added external paths.....................................................45
Checking the external volume details.........................................................................................46
Turning on or off the storage system .........................................................................................46
Commands for turning on or off only the external storage system..............................................46
Turning on or off only the external storage system...................................................................47
Turning on or off only the local storage system.......................................................................48
Turning on or off both storage systems..................................................................................49
Disconnecting external storage system or external volume............................................................50
Disconnecting all external volumes (disconnect external storage systems)...................................51
Disconnecting an individual external volume (disconnect external volumes)................................51
Checking connection status and resuming external volume operation.............................................52
Resuming all external volumes (reconnect external storage systems)...........................................52
Resuming an individual external volume (reconnect external volumes).......................................53
Stopping the use of paths to the external volume (disconnect external paths)...................................53
Restoring the paths to the external volume (reconnect external paths).............................................54
Changing the cache mode setting of the external volume.............................................................54
Changing the inflow control setting of the external volume...........................................................55
Changing the port setting of the external storage system..............................................................56
Editing mapping policy...........................................................................................................56
Deleting external volume mappings...........................................................................................56
Changing the processor blade assigned to an external volume.....................................................58
Using a mapped external volume from a connected host..............................................................58
Storing new data in the mapped external volume...................................................................58
4 Contents