You can back up all data in a specified volume that is not in a qtree. The specified volume is the dump path. You use this method if you back up on a qtree basis and want to back up the remaining data in a volume. Usually, the data in qtrees changes frequently, while the remaining data, such as configuration files, changes rarely.
You cannot do incremental backups using this method.
The following command backs up all items in /vol/vol0 that are not in a qtree: