1 2013 PRO-TECH Users’ Group (day 1) Database Backup Backup *.fdb files daily Three methods – Operating system (o/s) – Firebird nbackup utility – Firebird.

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Presentation transcript:

PRO-TECH Users’ Group (day 1) Database Backup Backup *.fdb files daily Three methods – Operating system (o/s) – Firebird nbackup utility – Firebird gbak utility Operating system – Tape, usb, external hard drive, MozyPro, etc. – Database corruption can occur if user is in PRO-TECH and o/s backup occurs

PRO-TECH Users’ Group (day 1) Database Backup Firebird nbackup utility – Main database file is locked ».delta file created » All transactions saved in.delta file – Main database file can be copied via o/s – Main database file is unlocked ».delta file transactions applied to main db file ».delta file deleted – Incremental backups available – Can be done while using PRO-TECH

PRO-TECH Users’ Group (day 1) Database Backup Firebird utility (gbak) – Can be used to ”defragment” a database. » Backup Saves database structure Saves flat data » Restore Builds database structure Inserts records Balances indices

PRO-TECH Users’ Group (day 1) Database Backup – Options Operating system » Schedule stop/start of Firebird service before/after backup software » Stop/start of Firebird service Ends any open transaction Frees memory No one can access PRO-TECH while service is stopped » If needed, restore time is determined by media » Database compression possible before backup

PRO-TECH Users’ Group (day 1) Database Backup – Options Operating system with Firebird nbackup – Can be used in conjunction with o/s backup – Can be done while database is in use – Does not ”defrag” database

PRO-TECH Users’ Group (day 1) Database Backup – Options Firebird backup - gbak – Can be used to create database backup file – Can be done while database is in use – If needed, restore may take several hours – Backup file needs to be restored to test validity Firebird restore -gbak – At least once every two months to ”defrag” Balance of Backup time / File size / Restore Time

PRO-TECH Users’ Group (day 1) Database Backup – Utility Backup_routine_svc.bat – Interactive or scheduled – Interactive will not delete any file; scheduled will – Options to: » Validate, Mend, Backup, and Restore (1,4) » Backup and Restore only (2,6) » 7zip *.fdb files (3,7)

PRO-TECH Users’ Group (day 1) Database Backup – Utility Backup_routine_svc.bat – Some configuration needed