Glossary

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.

DCO volume

A special volume that is used to hold Persistent FastResync change maps, and dirty region logs. The map layout within the DCO volume changed with the release of VxVM 4.0, although the original format is still available. The old layout is available in DCO Version 0 objects, and the new layout is available in DCO Version 20 objects.

A special volume that is used to hold Persistent FastResync change maps and dirty region logs. See also see dirty region logging.