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Takeover or giveback failures

Correcting takeover or giveback failure  Top

The following table describes tests you can run to determine why takeover or giveback failed and also provides information to correct the problem.

Note
You must reboot the cluster after completing each test.

To correct a takeover or giveback failure, complete the following steps.

Step

Action

1

Check communication between the local and partner nodes by entering the following command and observing the messages:

cf status

Result

If there is a problem with cabling or the adapter, the appropriate message is displayed. Recable the cluster adapter or replace the adapter, as needed.

2

If the error message indicates...

Then...

A cluster adapter error

Check the cluster adapter cabling. Make sure that the cabling is correct and properly seated at both ends of the cable.

That the NVRAM5 adapter card is in the wrong slot number

Check the NVRAM slot number. Move it to the correct slot if it is in the wrong one.

A Channel B cabling error

Check the cabling of the Channel B disk shelf loops and reseat and tighten any loose cables.

A networking error

Check for network connectivity.

See the System Administrator's Guide for more information.

3

Run the cluster configuration checker script, as described in Setting options and parameters with the cluster configuration checker.

Correct any errors or differences displayed in the output.

4

Reboot the cluster and rerun the takeover and giveback tests.

5

If you still do not have clustering enabled, call Customer Support.

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