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GroupWise data: This is backed up overnight at 4:45am. Base backups occur weekly on Tuesday mornings for the faculty and staff post offices, Wednesday morning for the student post offices. The base backups are written to tape and kept for six weeks. All other days are scheduled as incremental backups to tape, and are retained for four weeks.
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Users (provides U: and F: ): Backups start at 10pm every night. Base backups run on Fridays and take four five or five six hours to complete, barring any difficulties. The other nightly backups are differential backups. The Users volume is backed up to tape. We keep the base backups for six weeks, and the differential backups for three. Backups can persist outside that window if the system does not need to reuse the tape.
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