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.

I/O fencing

An optional Scalable File Server feature that configures a specific group of LUNs with (to have) an additional layer of data protection. This extra protection prevents data loss from occurring in the rare case that the redundant cluster interconnect and public low-priority interconnect fails.