SQL Server Backup and Restore - Simple Talk

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Chapter 9: File and Filegroup Backup and Restore Figure 9-5: Required backups for our complete restore of DatabaseForFileBackups. The first step is to capture that tail log backup, and prepare for the restore process, as shown in Listing 9-18. USE master GO --backup the tail BACKUP LOG [DatabaseForFileBackups] TO DISK = N'C:\SQLBackups\Chapter9\DatabaseForFileBackups_TLOG_TAIL.trn' WITH NORECOVERY GO Listing 9-18: Tail log backup. Notice the use of the NORECOVERY option in a backup; this lets SQL Server know that we want to back up the transactions in the log file and immediately place the database into a restoring state. This way, no further transactions can slip past us into the log while we are preparing the RESTORE command. We're now ready to start the restore process. The first step is to restore the two full file backups. We're going to restore over the top of the existing database, as shown in Listing 9-19. 322
Chapter 9: File and Filegroup Backup and Restore USE master GO RESTORE DATABASE [DatabaseForFileBackups] FILE = N'DatabaseForFileBackups' FROM DISK = N'C:\SQLBackups\Chapter9\DatabaseForFileBackups_FG1_Full.bak' WITH REPLACE GO RESTORE DATABASE [DatabaseForFileBackups] FILE = N'DatabaseForFileBackups_Data2' FROM DISK = N'C:\SQLBackups\Chapter9\DatabaseForFileBackups_FG2_Full.bak' WITH NORECOVERY GO Listing 9-19: Restoring the full file backups. Processed 184 pages for database 'DatabaseForFileBackups', file 'DatabaseForFileBackups' on file 1. Processed 6 pages for database 'DatabaseForFileBackups', file 'DatabaseForFileBackups_log' on file 1. The roll forward start point is now at log sequence number (LSN) 23000000026800001. Additional roll forward past LSN 23000000036700001 is required to complete the restore sequence. This RESTORE statement successfully performed some actions, but the database could not be brought online because one or more RESTORE steps are needed. Previous messages indicate reasons why recovery cannot occur at this point. RESTORE DATABASE ... FILE= successfully processed 190 pages in 0.121 seconds (12.251 MB/sec). Processed 16 pages for database 'DatabaseForFileBackups', file 'DatabaseForFileBackups_Data2' on file 1. Processed 2 pages for database 'DatabaseForFileBackups', file 'DatabaseForFileBackups_log' on file 1. RESTORE DATABASE ... FILE= successfully processed 18 pages in 0.105 seconds (1.274 MB/sec). Figure 9-6: Output message from restoring the full file backups. Notice that we didn't specify the state to which to return the database after the first RESTORE command. By default this would attempt to bring the database back online, with recovery, but in this case SQL Server knows that there are more files to process, so it 323
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The Red Gate Guide SQL Server Backu
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Copyright April 2012 ISBN 978-1-906
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Maintenance plan backups __________
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Preparing for Log Backups _________
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Log Backups _______________________
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About the author Shawn McGehee Shaw
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Introduction jobs scheduled to back
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Introduction backups, to file and e
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Introduction • Chapters 5 and 6 c
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Chapter 1: Basics of Backup and Res
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The primary data file will contain:
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SQL Monitor SQL Server performance
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SQL Toolbelt The essential SQL Serv
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.NET Reflector ® Decompile, browse
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Brad's Sure Guide to SQL Server Mai
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