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by maxclark
1417 days ago
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Going back 20 years with Oracle DB it was common to use "triple mirror" on storage to make a block level copy of the database. Lock the DB for changes, flush the logs, break the mirror. You now have a point in time copy of the database that could be mounted by a second system to create a tape backup, or as a recovery point to restore. It was the way to do it, and very easy to manage. |
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