![]() Logs are stored temporarily on the guest filesystem before they are shipped for processing. Data Guard should have enough time to transport logs remotely before they are truncated thus generally having "Delete logs older than" option less than 24 hours is not recommended. Tip: Avoid using aggressive logs truncation settings for databases protected with Data Guard as it may affect logs synchronization to secondary server. Note: 32-bit Oracle instances on 64-bit Linux are not supported. Before the backup the database (in ARCHIVELOG mode only) is put into backup mode, this has to be taken into consideration when performing restore - restoring database server VM is not enough for restoring the service, database has to be put out of backup mode: ALTER DATABASE END BACKUP Only databases in ARCHIVELOG mode will be backed up online, databases in NOARCHIVELOG mode will be shut down which will cause database availability disruption. Refer to the corresponding section of the User Guide ( ) for details on configuring Oracle database backup and transaction logs processing. When backing up AlwaysOn availability group make sure all cluster nodes are processed by the same backup job for transaction logs processing and restores to work properly. Application Specific Configuration Microsoft SQL Server
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