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Detaching Global Mirror copy

If you are using Global Mirror and want to access the target copy to perform save operations or data mining, you must detach the target copy from the source copy.

Detaching the mirror copy with PowerHA® graphical interface

To use the PowerHA graphical interface to detach the mirror copy, follow these steps:

  1. Start of changeIn a Web browser, enter http://mysystem:2001, where mysystem is the host name of the system.End of change
  2. Start of changeLog on to the system with your user profile and password.End of change
  3. Start of changeClick PowerHA from the IBM® Navigator for i window.End of change
  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 detach the mirror copy.
  6. On the Independent ASP Details page, select Detach from the context menu of the mirror copy.
  7. Click Yes on the confirmation panel.

Start of change Detaching the mirror copy with command-line interfaceEnd of change

Start of changeTo detach the mirror copy using the command-line interface, use the following command:Start of change
  • CHGASPSSN SESSION(session-name) OPTION(*DETACH) where session-name is the name of your DS8000 Global Mirror session.
  • CHGSVCSSN SESSION(session-name) OPTION(*DETACH) where session-name is the name of your SAN Volume Controller (SVC) Global Mirror session.
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Parent topic: Start of changeManaging Global MirrorEnd of change
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