6.2. SAN Demands on Backup
Implementation of a SAN can be a real help to an enterprise. However, the more a SAN gives the enterprise in terms of capacity and flexibility, the greater the problem it imposes on backup.
Backing up data from a SAN is like backing up data in conventional storage. However, the SAN typically has a lot more data. Like conventional backup, SAN backup emphasizes completeness, accuracy, speed, and reliability.
6.2.1. Volume of Data
It’s nearly impossible to keep up. The volume of data to be backed up is driven by the volume of data stored on disks, and the general rule is that if it can be stored, it will be stored. The best example is the data warehouse, a database essentially dedicated to storing all the company information ...
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