The glossary below contains many of the terms you will find in common use throughout the Symantec Security Response website. Please refer to this list to find definitions of terms and answers to other Internet security-related questions.

coordinator disks

Three or more LUNs designated to function as part of the I/O fencing mechanism of the Scalable File Server. Coordinator disks cannot be used to store user data.

Special-purpose disks in an environment. Coordinator disks are three (or an odd number greater than three) standard disks, or LUNs, set aside for use by I/O fencing during cluster reconfiguration.