Sun Cluster Data Service for Oracle RAC Guide for Solaris OS

Operation of the Fault Monitor for Scalable File-System Mount Points

To determine if the mounted file system is available, the fault monitor performs I/O operations such as opening, reading, and writing to a test file on the file system. If an I/O operation is not completed within the timeout period, the fault monitor reports an error. To specify the timeout for I/O operations, set the IOTimeout extension property.

The response to an error depends on the type of the file system, as follows: