HP XP P9500 Storage - Manual (Page 99)

Description Item
Processor blade for the external volume. Processor Blade
• Range is from MPB0 to MPB7.
•
Auto (default): Blade is automatically selected by the system.
• Blade with lowest number is used when Auto cannot be selected.
Specifies whether to use the internal volume as an external volume (Enable)
or not (Disable). The default is Disable. Internal Volume Usage
Edit External Volumes wizard
Use this wizard to change settings for a mapped external volume.
The windows in the wizard are:
•
Edit External Volumes window (page 99)
•
Confirm window (page 100)
Edit External Volumes window
Description Item
Cache Mode • Enable: Write data from the host is propagated asynchronously.
•
Disable: Write data from the host is propagated synchronously.
•
This mode will be inactive in external volumes whose attribute is Online
Data Migration.
See Cache use and external storage performance (page 14) for more
information.
Inflow Control •
Enable: Limits or prevents write data from being written to cache memory
when the write operation cannot be performed.
•
Disable: Allows write data to be written to cache when the write
operation cannot be performed.
See Editing external volume policies (settings) (page 36) for more
information.
Selects I/O load balance system for external storage system. Load Balance Mode
• Normal Round-robin: Performs load balance in round-robin system.
•
Extended Round-robin: Load balance system is automatically switched
for sequential I/O and random I/O.
Edit External Volumes wizard 99