There is another backup method, called as hot backup . In this method, during the backup process, the databases need not be closed. In hot backup there are some Oracle operations, which can be followed before and after backup procedure. If backup is done without these operations, the database can not be opened when it is restored because of inconsistency. Back-Up System VTLS works with Oracle database management system on a disk spaceof 6.5 GB, in beluga .
Backup system consists of some korn shell programs.
It has a mechanism that warns administrator and operators by e-mails. If the cartridge of that day is not in the drive, administrator and operators are warned about the problem by e-mail. CC-LAG has done gathering information about users differently for both cases. A shareware program, pwebstats is used for Web statistics. This program collects data for Web usage and does the entire job to create results, daily.