HP XP Racks - Manual (Page 194)

Performing pair operations
This module describes supported pair operations and procedures for changing copy pair status:
• About copy pair operations , page 194
• About copy pair states , page 212
• About changing copy pair status , page 217
• Confirming copy status during task execution , page 232
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
Dissolves a copy pair (the copy pair is placed in simplex status). delete
Related topics
• About changing copy pair status , page 217
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 opera-
tion
Snapshot Business Copy
Continuous Access
Asynchronous or Con-
tinuous Access Journal Continuous Ac-
cess Synchron-
ous
Y Y Y Y Copy Pace
create N N Y Y Fence Level
N N Y
1 N JNLG ID(P)
Managing pair life cycle 194