Installation and configuration issues

You might encounter errors with GPFS installation, configuration, and operation. Use the information in this topic to help you identify and correct errors.

An IBM Storage Scale installation problem should be suspected in case of following scenarios:

• The GPFS modules are not loaded successfully.
• Commands do not work on the node that you are working on or on the other nodes.
• New command operands that are added with a new release of IBM Storage Scale are not recognized.
• Issues are found with the Kernel extension.

A GPFS configuration problem should be suspected in case of following scenarios:

• The GPFS daemon does not activate, it does not remain active, or it fails on some nodes but not on others.
• If a quorum is lost, then certain nodes appear to hang or do not communicate properly with GPFS and nodes cannot be added to the cluster or are expelled.
• The GPFS performance is noticeably degraded once a new release of GPFS is installed or configuration parameters are changed.