April 2010
Intermediate to advanced
276 pages
6h 16m
English
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Restoring from a MySQL Cluster online backup
There are several situations in which you may find yourself restoring a backup. In this recipe, we will briefly discuss common causes for recovery and then show an example of using the ndb_restore for a painless backup recovery. Later in the recipe, we will discuss techniques to ensure that data is not changed during a restore. In broader terms, a backup recovery is required when the running cluster is, for whatever reason, no longer running and the automatically created checkpoints stored in the DataDir on each storage node are not sufficient for recovery. Some examples that you may encounter are as follows:
- A disk corruption has occurred which destroyed your
DataDiron all storage nodes in anodegroup ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.