Release 10.1A: OpenEdge Data Management:
Database Administration

> ## Loss of the AI file

> Follow these steps if a disk holding the AI files is damaged or the AI file is accidentally deleted.

> | To recover from the loss of an AI file:

> 1. If two-phase commit is enabled for the database, end two-phase commit using the PROUTIL 2PHASE END utility. You must do so before you can perform the next step.

> Note: If you end two-phase commit and a coordinator recorded any distributed transaction commits in this database, the user cannot resolve any limbo transactions where this database was the coordinator.

> 2. Disable after-imaging using the RFUTIL AIMAGE END utility.

> 3. If you have a database, re-create the lost extent using PROSTRCT ADD.

> 4. Back up the database using the PROBKUP utility or an operating system backup utility.

> 5. If you used an operating system backup utility to back up the database, mark the database as backed up using the RFUTIL MARK BACKEDUP utility.

> 6. Enable after-imaging.

> 7. Re-enable two-phase commit if you disabled it in Step 1.

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