August 2009
Intermediate to advanced
464 pages
13h 59m
English
Content preview from SQL Server 2008 Administration in Action
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12.5. Best practice considerations: DBCC validation
A well-configured server with reliable I/O components should rarely experience physical data corruption. That being said, it's important to prepare for corruption and have a recovery plan ready to go that minimizes downtime and data loss.
Backups, backups, backups! There are certain corruptions that simply can't be repaired, and those that can often result in data loss. Backups, for obvious reasons, are crucial.
Ensure the Page Checksum option is left enabled for databases, and ensure both the SQL Server logs and the suspect_pages table in the MSDB database are monitored for any sign of checksum failure.
Use the SQLIOSIM tool to validate the I/O hardware before production implementation. Once ...
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