Add Workflows/Veeam Backup & Replication/Manually Pruning Backups.md

Workflows/Veeam Backup & Replication/Manually Pruning Backups.md

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+**Purpose**:
+There may come a time that you need to free up space in a Veeam Backup & Replication backup repository because you are running out of space.  In these cases, you need to manually trim the older backups in a specific way to ensure this is non-destructive. 
+
+## Manual Removal of Backup Data
+You need to perform these steps to carefully delete the oldest full backup chain w/ incrementals.
+
+- Log into the Veeam Backup & Replication server and locate the local folder hosting the backup repository that is running out of space
+- Locate the oldest "**Full**" backup and delete it along with all of the "**incremental**" backups after it leading to the second-most-recent full backup.
+
+!!! warning "Incremental Backups Affecting the Chain"
+    Be mindful that if you delete the incremental backups but not the full backup associated with those incrementals you will break the backup chain.  In the event this happens, either un-delete the incrementals and try again, or go one-level-deeper and delete the second-oldest full backup and all incrementals to correct the chain's structure.
+
+## Rescan Backup Repository
+At this point, you can just re-scan the backup repository within Veeam so the Veeam database gets updated to notice the missing backup files that you just deleted.  [Rescanning Backup Repositories](https://helpcenter.veeam.com/docs/backup/vsphere/rescanning_backup_repositories.html?ver=120)
+
+- Launch Veeam Backup & Replication Console
+- Navigate to "**Backup Infrastructure > Backup Repositories**"
+- Locate the backup repository you deleted backup files from, then "**Right-click > Rescan**"
+
+## Removing Restore Points from Database
+At this point, you have deleted the backup files and re-scanned the backup repository(s) to ensure that Veeam updated its database to notice the now-missing backup files.  Now you need to tell Veeam to "forget" about the older backups you deleted so they are no longer displayed within Veeam itself.  [Removing Missing Restore Points](https://helpcenter.veeam.com/docs/backup/vsphere/remove_missing_point.html?ver=120)
+
+- Navigate to "**Home > Backups > Disk**"
+- Locate the backup job associated with the device's backup files you deleted
+- Right-click the associated backup job > "**Properties...**"
+- In the Backup Properties window, right-click the missing restore point(s) and click "**Forget**" > "**All Unavailable Backups**"