![]() Relax and restore the user databases as needed. ![]() As per this blog post, restore it with an alternative name such as “restore_master” for the both the database name and the database MDF and LDF files to avoid conflicts with the running SQL instance.Ĭopy those back over to your damaged SQL instance, rename the old ones and rename these restored back to the correct name. Go and find yourself another SQL instance running the same version, restore the master backups there. Setup.exe /QUIET /ACTION=REBUILDDATABASE /INSTANCENAME=MSSQLSERVER /SQLSYSADMINACCOUNTS=Domain\Username /SAPWD=blahblah1£23 /SQLCOLLATION=Latin_General_CI_AS_KS This method didn’t work no matter what media or setup.exe we used, it silently failed and gave no errors. There is a lot of mention on the internet about using /ACTION=REBUILDDATABASE to rebuild the system database to get you back to the point where SQL will start and will let you restore a backup of the system databases. Stop, think and ignore the interweb search results you get back. Use the Microsoft SQL Setup program to rebuild the master database. Take the disks out of maintenance mode and browse through to the data and logs volumes – we noted zero size user databases – those are gone for sure and need to be restored from backup one the system databases are fixed. If this error occurred during replication, re-create the publication. This error may indicate data corruption or that the log file (.ldf) does not match the data file (.mdf). ![]() ERROR message The log scan number (17:128:7) passed to log scan in database ‘master’ is not valid. In this case, a lot of repairs where made. Initially, I taught master DB has corrupted. Put the shared disks into maintenance mode in failover cluster manager and run chkdsk “drive” /F /X on all of them. I did the following steps to get it back. Recently, one of my instances was corrupted and I was unable to restart SQL Server. My instance was unable to start due to master file corruption. If a backup is not available, it might be necessary to rebuild the log. Recently, I faced a problem related to the master database. An error occurred while processing the log for database 'master'.
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