Edit Local Replica Options window

Use this window to specify options that affect host server I/O performance. This is the first window of the Edit Local Replica Options wizard.

For full information, see the topic on system options that affect performance by clicking Show All Contents and then selecting In-System Replication to navigate to the desired software and information.

SI/TI System Options table

The following table shows the items in this table.

Item

Description

System Option

System options that you can enable or disable.

Values:

  • Swap & Freeze: Use this option to suppress the VSP G100, G200, G400, G600, G800 storage system's update copy operations after a Quick Restore and the pair is in PAIR status (for SI or HTI). The S-VOL 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 PAIR (for SI or HTI).

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 the topic on setting system options by clicking Show All Contents and then selecting In-System Replication to navigate to the desired software and information.

Status

Shows whether the option is currently enabled or disabled.

Enable button

Click to enable the option.

Disable button

Click to disable the option.