The period matches any character, and the asterisk means any number of that character. When issuing this command outside of interactive mode, it is necessary to enclose any strings containing metacharacters with double quotes or escape the metacharacters with other delimiters. Otherwise, the shell attempts to resolve the metacharacters. The volume set must already have been created with backup addvolset. Legal values are a specific machine name or the .
Legal values are a specific partition name or the .
The chapter on the AFS Backup System in the AFS System Administrator's Guide presents additional examples as well as advice on the proper way to group volumes.