HP XP7 External Storage for Open and Mainframe Systems User Guide (TK914-96001)

DescriptionItem
CLPR for accessing the external volume.Cache Partition
See “Editing external volume policies (settings)” (page 42) for more
information.
Cache Mode
• Enable: Write data from the host is propagated asynchronously
• Disable: Write data from the host is propagated synchronously
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 42) for more
information.
Select 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.
• Disable: Performs I/O operation with a single path, without load balance.
The default is Normal Round-robin.
MP blade for the external volume.MP 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.
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 120)
• “Confirm window” (page 121)
Edit External Volumes wizard 119