HP XP Racks - Manual (Page 126)

Description Item
for FC Z or FCSE) remains unchanged, and differential data is not copied to
the new S-VOL.
Default status: Disabled
• HOST I/O Performance: Suppresses copy operations at all times regardless
of the workload. This system option increases I/O performance.
Default status: Disabled
•
Copy Pace: Maximizes host server I/O performance by suppressing copy
processing only if the pair status is “DUPLEX” (for BC Z, FC Z, or FCSE) or
“PAIR” (for BC or FS).
Processing-suppression/performance-improvement levels:
◦
Copy Pace Ext. Slower1
Default status: Disabled
◦
Copy Pace Ext. Slower2
Default status: Disabled
◦
Copy Pace Ext. None
Default status: Disabled
The I/O performance of the host server is improved most effectively with Copy
Pace Ext. None, followed by Copy Pace Ext. Slower2, and then Copy Pace Ext.
Slower1.
For more information about the system options, see “System options that affect
performance” (page 30) .
Shows whether the option is currently enabled or disabled. Status
Click to enable the option. Enable button
Click to disable the option. Disable button
Confirm window
The following image shows this window of the Edit Local Replica Options wizard.
126 Business Copy GUI reference