Horizon Database Fails but Information Portal Database Is Fine
If you have a situation where the Horizon database fails, the Information Portal database is fine, and you can restore only last night’s or older backup, here are some effects:
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The Information Portal database will be out of sync with Horizon. Information Portal will have missing data because some preference settings made by users are saved on the Horizon database. (For example, e-mail notification of newly acquired items for an authority would be lost because it is stored on the Horizon database.) |
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Any requests placed or deleted during the time missing in the database backup will no longer exist. |
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Information Portal may attempt to get data for an item that was indexed, but no longer exists in the restored backup. |
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The further that you need to go back in time for a Horizon database backup, the more My List information, as well as any of the previously listed information, will be missing from Information Portal. |
Recommendation
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Restore the most recently dated Horizon backup that you can. |
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Reindex to help eliminate a few discrepancies. |
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