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There is a nightly backup | copy | & restore job as part of an ETL. Last night the job failed – with the error :
RESTORE detected an error on page (0:0) in database MYDB as read from the backup set.
The correlating message in the Event Viewer is :
The backup data at the end of "J:\mydrive\mydb.bak" is incorrectly formatted. Backup sets on the media might be damaged and unusable. To determine the backup sets on the media, use RESTORE HEADERONLY. To determine the usability of the backup sets, run RESTORE VERIFYONLY. If all of the backup sets are incomplete, reformat the media using BACKUP WITH FORMAT, which destroys all the backup sets.
Speaking to the SAN administrator , there were some IO issues which coorelated at the same time . I reran the job approximately 1 hr later and the job worked OK.
I’ve added a RESTORE VERIFY ONLY
Source:Jack Vamvas (http://www.sqlserver-dba.com)
Author: Jack Vamvas (http://www.sqlserver-dba.com)
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