Performing pair operations, About copy pair operations – HP 9000 rp5405 Servers User Manual

Page 195

Advertising
background image

Performing pair operations

This module describes supported pair operations and procedures for changing copy pair status:

About copy pair operations

, page 195

About copy pair states

, page 214

About changing copy pair status

, page 219

Confirming copy status during task execution

, page 235

About copy pair operations

You may need to perform operations that change the copy pair status (such as splitting and
re-synchronizing copy pairs), when errors occur in managed resources or when you backup data.

The following operations can be performed to change the copy pair status.

Operations for changing the copy pair status

Explanation

Operation

Creates a copy pair based on the configuration definition file (the initial copying
of a copy pair in simplex status is performed).

create

Splits a copy pair.

split

Performs data re-synchronization from the primary volume to the secondary volume.

resync

Performs data re-synchronization from the secondary volume to the primary volume.

restore

Waits until the synchronization of P- and S-VOLs is complete.

syncwait

Dissolves a copy pair (the copy pair is placed in simplex status).

delete

Related topics

About changing copy pair status

, page 219

Option items for copy pair operations (open systems)

The option items for a copy pair operation differ depending on the copy type. The following table
shows the option items that can be set for each copy type.

Copy pair operation options that can be set for each copy type

Copy type

Option

Copy pair op-
eration

Snapshot /
Fast Snap

Business
Copy

Continuous Ac-
cess Journal

Continuous Access
Asynchronous

Continuous Ac-
cess Synchron-
ous

N

Y

Y

Y

Y

Copy Pace

create

N

N

Y

Y

Y

Fence Level

User Guide

195

Advertising