A default 25-second time-out exists for the completion of quorum operations during a cluster reconfiguration. You can increase the quorum time-out to a higher value by following the instructions in How to Configure Quorum Devices in Oracle Solaris Cluster Software Installation Guide . Rather than increasing the time-out value, you can also switch to a different quorum device.
Additional troubleshooting information is available in How to Configure Quorum Devices in Oracle Solaris Cluster Software Installation Guide .