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How to calculate cleanup time in Ola hallengrens SQL Server?
[DatabaseBackup] @Databases = ‘test’, @Directory = ‘C:\\OlaBackupTest’, @BackupType = ‘log’, @Verify = ‘N’, @CleanupTime = 1, @CleanupMode = ‘AFTER_BACKUP’ Every execution of a FULL backup created a new FULL backup and deleted any FULL backup files older than 1 minute. No DIFF or LOG backup files were ever affected.
How does Ola’s SQL server maintenance solution work?
The jobs created by the Maintenance Solution automatically process all user databases on the server. So be aware of that if databases on your server require different maintenance scenarios. Ola’s SQL Server Maintenance Solution consists of various scripts that create jobs and stored procedures once installed on the SQL Server.
When to use @ cleanuptime in SQL Server?
For example, if you create a Full backup job, a Differential backup job and a Transaction Log backup job, then the @CleanupTime always relates to the extension of the job. Let’s take a look at a Full backup example. If you create a full backup job, then you will normally add one or more of the following parameters:
Who is Ola Hallengren and what does he do?
The entire solution was designed by Ola Hallengren, an MCITP database administrator and database developer, who has been working with SQL Server since 2001. The solution consists of three parts: This article series will cover all three parts of this maintenance solution.
When does Ola Hallengren won’t backup a database?
This is especially important if you trigger it manually and are relying on human input to get the parameters right. Here are three easy to miss cases where the scripts won’t backup a database.
When to use Ola Hallengren’s maintenance solution?
We love Ola Hallengren’s Maintenance Solution but you should always always double-check either the msdb backup history or the master.dbo.CommandLog table to make sure any important backup was taken. This is especially important if you trigger it manually and are relying on human input to get the parameters right.
What happens when you do a full backup in Ola?
When you execute a new full backup or full copy_only backup or even differential backup, All your previous log backups will be deleted after you run another log backup (Ola’s log backup script with @CleanupTime = 0 param). Tested using Ola’s script version: October 7]
How to delete the transaction log in Ola?
Ola designed his script to check for the last BACKUP DATABASE… (Full Backup) and then to delete the transaction logs backups ( BACKUP LOG …) which have occurred before that backup and only if the @CleanupTime is lower than when the FULL Backup occurred. This is a fail-safe mechanism and not meant to be used as a general feature.
How long does it take to restore database in Ola?
Processed 0 pages for database ‘StackExchange’, file ‘StackExchange’ on file 1. Processed 2 pages for database ‘StackExchange’, file ‘StackExchange_log’ on file 1. RESTORE LOG successfully processed 2 pages in 0.005 seconds (2.441 MB/sec). Ola’s script works as designed. We have verified that a BACKUP DATABASE