Use the following information as a guide for determining when to use backup and restore methods to migrate data.
All backup and restore methods require that the file systems or logical volumes that you are backing up be in a quiescent state. Typically, you run backups after hours when there is minimal use of the system and you can shut down databases.
Some databases require that you export the data before you move it between file systems or logical volumes. You must then import the data on to the new file system or logical volume. You might have to reconfigure the database so that it points to the new data locations.