APPENDIX BTroubleshooting ASM
The ASM instance is typically a passive instance that does not need much tending. However, there may be cases where ASM does not start up or diskgroups fail to mount because of external issues, such as an incorrect setup or configuration. The following appendix describes the troubleshooting steps that you should take to ensure that the ASM environment runs properly.
ASM Startup Issues
If ASM has problems starting, check the following:
If ASM cannot start and the message "Cannot contact Cluster Manager" displays, Make sure that CSS is started and is running in the correct mode. CSS should be started from the ASM home ...
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