Suspending Global Mirror

You might need to suspend Global Mirror sessions to perform maintenance on the system.

Suspending Global Mirror with PowerHA® graphical interface

To suspend a Global Mirror session by using the PowerHA graphical interface, follow these steps:
  1. In a web browser, enter http://mysystem:2001, where mysystem is the host name of the system.
  2. Log on to the system with your user profile and password.
  3. Click PowerHA in the IBM® Navigator for iwindow.
  4. On the PowerHA page, click Independent ASPs.
  5. On the Independent ASPs page, select Details… from the context menu of the independent disk pool for which you want to suspend Global Mirror.
  6. On the Independent ASP Details page, select Suspend Mirroringfrom the Select Action menu below the mirroring status.
  7. Click Yes on the confirmation panel.

Suspending Global Mirror with command-line interface

To suspend a Global Mirror session by using the command-line interface, use the following command:
  • CHGASPSSN SESSION(session-name) OPTION(*SUSPEND) where session-name is the name of your DS8000 Global Mirror session.
  • CHGSVCSSN SESSION(session-name) OPTION(*SUSPEND) where session-name is the name of your SAN Volume Controller (SVC) Global Mirror session.