HP XP7 Storage - Manual (Page 192)

Setting fields
The following table lists the items in the Edit Local Replica Options window of the Edit Local Replica
Options wizard.
Description Item
The storage system type. System Type
Values:
•
Open Select when you want to change system options that affect BC and FS performance.
•
Mainframe: Select when you want to change system options that affect BC Z, FC Z, and
FCSE performance.
Default: Open
BC/FS System Options table
The following table lists the items in the BC/FS System Options table in the Edit Local Replica Options
window of the Edit Local Replica Options wizard.
Description Item
The defined system option. System Option
Values:
•
Swap & Freeze: Quick Restores and then saves the current data. Used with
the Quick Restore, inhibits the Update Copy operation after performing Quick
Restore and the paired S-VOL is not updated.
•
Host I/O Performance: Use this option to give weight to I/O response rather
than the copy time. This option controls copy operations and improves the
host I/O response.
• Copy Pace Ext. Slower1
•
Copy Pace Ext. Slower2
•
Copy Pace Ext. None
Reducing the copy volume in “PAIR” status curbs the influence to the I/O
performance of the host server. This item is available to all pairs in “PAIR”
status. The order of Copy Pace Ext. Slower1, Copy Pace Ext. Slower2, and
Copy Pace Ext. None determines the host server’s I/O performance.
Shows whether the system option is currently enabled or disabled. Status
Click to enable the selected option. Enable button
Click to disable the selected option. Disable button
BC Z/FC Z/FCSE System Options table
The following table lists the items in the BC/FC Z/FCSE System Options table in the Edit Local Replica
Options window of the Edit Local Replica Options wizard.
Description Item
Options that you can change. System Option
Values:
•
Swap & Freeze: Quick Restores and then saves the current data. Used with
the Quick Restore, inhibits the Update Copy operation after performing Quick
Restore and the paired S-VOL (T-VOL for FC Z or FCSE) is not updated.
•
Host I/O Performance: Use this option to give weight to I/O response rather
than the copy time. This option controls copy operations and improves the
host I/O response.
192 Fast Snap GUI reference