Suspending Metro Mirror

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

Suspending metro mirroring with PowerHA® graphical interface

To suspend a Metro 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 from the IBM® Navigator for i window.
  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 Metro Mirror.
  6. On the Independent ASP Details page, select Suspend Mirroring from the Select Action menu below the mirroring status.
  7. Click Yes on the confirmation panel.

Suspending metro mirroring with command-line interface

To suspend a Metro 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® Metro Mirror session.
  • CHGSVCSSN SESSION(session-name) OPTION(*SUSPEND) where session-name is the name of your SAN Volume Controller(SVC) Metro Mirror session.