Dlm backup exec
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A single *.BKF could contain multiple backup sets.Simplified Disaster Recovery (SDR) Backup Setsįor backup sets created by Backup Exec 2010 R3 and earlier:.With no mixed Incremental/Differential sets.Note: The last available backup for any resource will be automatically deleted when it passes the expiry date when this rule is disabled by marking the checkbox for “Allow Backup Exec to delete all expired backup sets”Īn expired backup set will not be deleted by DLM if it has one or more unexpired or retained dependent sets. Can be disabled from Settings > Storage > Data Management.Manually expiring backup set over rides this rule.The last copy to expire for backup sets for every backup job are maintained even after the retention period has expired.A recovery chain is the group of backup sets required for point-in-time recovery of a particular resource.Dependents Displayed for Pre-BE2014 Exchange GRT-Enabled SetsĪn expired backup set will not be deleted by DLM if it is part of the last copy of the most recent recovery chain.Dependents Displayed for SDR Backup Sets on Tape Storage.Dependents Displayed for SDR Backup Sets on DLM-Managed Storage.Dependents Displayed for GRT-Enabled Sets.Dependents Displayed for NTFS and Other Non GRT-Enabled Sets.Which of the rules are applied and examples of the resulting dependencies are described for these scenarios: The Show Dependent Backup Sets option displays dependents for both tape and DLM-managed backup sets.ĭependent backup sets are displayed in the Backup Exec console based on DLM Retention Rules (ĭLM Rules and Dependencies Displayed in the Backup Exec Console). A backup set manually retained and all related dependencies will not be considered for deletion when DLM rules are applied. If expired disk-based backup sets meet all DLM rules then the backup data and related catalogs and database entries will be deleted.Allows users to override Last Recovery Chain Rule.
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Displays the list of dependents and allows users to expire all the dependent sets simultaneously.
DLM BACKUP EXEC MANUAL
Is used for manual expiration of DLM-Managed backup sets.Simplified Disaster Recover (SDR) enabled backup sets have additional Simplified System Protection (SSP) dependent sets ( SDR Backup Sets Dependent Rule).Set has one or more retained Dependents ( Dependency Rules).Set is part of Last Recovery Chain ( Last Recovery Chain Rule).Three main rules of DLM that result in expired-but-not-deleted sets:Data Lifecycle Management (DLM) Backup Chain and Dependency Rules Are overwritten per the media set retention policyīackup sets may have passed their expiration time and are not being deleted by DLM due to one or more rules of DLM.Disk storage, including deduplication storage.Expired backup set data, catalogs and database records will be deleted if DLM rules are met. Solution Data Lifecycle Management (DLM) RulesĭLM determines when a backup set expires according to the retention specified in the backup job.