Progress
Database Administration
Guide and Reference
Duration Of Offline Applications
The type of backup you perform depends on how long you can take the database offline while you back it up. Table 6–5 provides examples.
Table 6–5: Availability and Backup Time If the Application Can Be Offline . . .
Then Perform . . . Never Online backups with after-image files.1 Eight hours per week Weekly offline backups with daily online full or incremental backups. For daily backups, use incremental backups to avoid switching tapes during the backup, or to reduce the amount of time spent performing the backup.2 Eight hours per day Daily offline backups.
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