Confirm window for edit local replica options, Bc z/fc z/fcse system options table – HP XP P9500 Storage User Manual

Page 121

BC Z/FC Z/FCSE System Options table

This table is displayed when the System Type is Mainframe.

Description

Item

The system options include:

System Option

•

Swap & Freeze: Use this option when you want to save data immediately after Quick
Restore as-is. When you enable this option and execute Quick Restore, update copying
after Quick Restore is inhibited, the secondary volume in the DUPLEX status is saved
without being updated.

•

Host I/O Performance: Use this option when you give higher priority on I/O response
than volume copy time. Enabling this option inhibits execution of copy processing, thereby
improving host I/O response.

•

FC Slower Copy1: Reduces background copying to one half, thereby improving host I/O
response.

•

FC Slower Copy2: Reduces background copying to one quarter, thereby improving the
host I/O response.

•

FC Ext. Slower Copy1: When the MP operating ratio of the MP blade to which the source
volume or target volume in a Compatible FlashCopy relationship is allocated exceeds
65%, background copy operations are suppressed, and consequently host I/O response
improves.

•

FC Ext. Slower Copy2: When the MP operating ratio of the MP blade to which the source
volume or target volume in a Compatible FlashCopy relationship is allocated exceeds
50%, background copy operations are suppressed, and consequently host I/O response
improves.

Enabled or Disabled:

Status

•

Enabled: If you select a system option you want to enable, the Status column displays
Enabled.

•

Disabled: If you select a system option you want to disable, the Status column displays
Disabled.

Confirm window for Edit Local Replica Options