Полетела мастер. Бекап есть. Но не могу стартонуть сервер (2012) в single-user.
2017-03-20 10:12:51.07 spid5s SQL Server started in single-user mode. This an informational message only. No user action is required.
2017-03-20 10:12:51.07 spid5s Starting up database 'master'.
2017-03-20 10:12:51.10 spid5s Error: 9003, Severity: 20, State: 1.
2017-03-20 10:12:51.10 spid5s The log scan number (32204:169:1) passed to log scan in database 'master' is not valid. This error may indicate data corruption or that the log file (.ldf) does not match the data file (.mdf). If this error occurred during replication, re-create the publication. Otherwise, restore from backup if the problem results in a failure during startup.
2017-03-20 10:12:51.10 spid5s Cannot recover the master database. SQL Server is unable to run. Restore master from a full backup, repair it, or rebuild it. For more information about how to rebuild the master database, see SQL Server Books Online.