You can suspend a Metro Mirror or Global Copy relationship.
Before you begin
You must
resume a volume pair after suspending
it to allow operations to continue.
About this task
To get access to the target volumes or for maintenance of
the remote storage unit, you can suspend (pause) the
Metro Mirror or Global Copy volume pair.
Metro MirrorMetro Mirror or Global Copy stops transferring
data to the target volume. The source storage unit keeps track of
all changed data on the source volume, and after you resume the connection,
only the changes to the source volume are copied to the target volume.
Procedure
Complete the following steps from the DS Storage Manager to
suspend a Metro Mirror or Global Copy relationship:
- In the navigation, select . The Metro Mirror/Global
Copy main page is displayed.
- Select one or more volumes
to suspend. Select Suspend from the Action menu.
The Suspend Metro Mirror/Global Copy window opens.
- Select the volumes to suspend,
based on the following criteria:
- Suspend at Source: The suspension is issued to the
source volume in a Metro Mirror relationship.
As a result, the target volume becomes suspended immediately.
- Suspend at Target: The suspension is issued to the
target volume in a Metro Mirror relationship.
As a result, the target volume becomes suspended, but the source might
not. Use this option only in a disaster situation when the source
LSS is no longer available.
- Click Suspend to
complete the process.