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====== Create a Local Backup (DAS) ======

Connect an external hard drive (direct-attached storage or, DAS) to one of the NAS's USB or eSATA ports before following the steps below (see [[..:intro:views]] for port locations). The DAS should appear as a volume on the Storage page [[..:advanced-storage:adv-sto01-ports|]]

  - Go to **Dashboard > Backup**.
  - Choose **Add backup**. \\ {{:products:nas-pro:screenshots:backup:ss_backup_01.jpg?500|}} \\ 
  - Select **Local backup** then choose **Next**. \\ {{:products:nas-pro:screenshots:backup:ss_backup_02.jpg?500|}} \\ 
  - Under **Source** on the left, select the NAS shares or DAS partitions to back up. Under **Destination** on the right, select the //External ports// or NAS share to store the backup job. \\ {{:products:nas-pro:screenshots:backup:ss_backup_03.jpg?500|}} \\ 
  - To better organize backup jobs, you can create a folder inside the destination. Choose **Create folder** then enter its name. Choose **Create** then **Next**. \\ {{:products:nas-pro:screenshots:backup:ss_backup_04.jpg?200|}} \\ 
  - Select a backup type, then choose **Next**. \\ {{:products:nas-pro:screenshots:backup:ss_backup_05.jpg?500|}} \\ 
    * **Full**: The entire contents of the source folder will be saved each time the backup job runs. This method offers high security but it requires a good amount of storage capacity on the destination.
    * **Optimized** After the initial full backup, only modified files are added in subsequent backups. This is an efficient use of storage space on the destination. Important: **Optimized backups are not available with certain DAS file systems.** See [[bu01-local#supported-file-systems-for-optimized-backups|Supported File Systems for Optimized Backups]]. 
  - Select **Manual**, **Scheduled**, or **Custom** then choose **Next**. See note regarding Manual backups.
  - (Skip this step if you chose //Manual//.) Select the frequency for your backup job and the time of day. Choose **Next**.
  - Enter a name for the backup job then choose **Next**. \\ {{:products:nas-pro:screenshots:backup:ss_backup_06.jpg?500|}} \\ 
  - Confirm the backup settings on the //Summary// page. If you wish to begin the backup immediately, keep the box checked below the summary and choose **Finish**. \\ {{:products:nas-pro:screenshots:backup:ss_backup_07.jpg?500|}}

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The backup job will appear on **Dashboard > Backup**. \\ {{:products:nas-pro:screenshots:backup:ss_backup_08.jpg?500|}} \\  

<note>**Note on Manual Backups:** A manual backup must be started by the administrator:
  - Navigate to **Dashboard > Backup**.
  - Locate the manual backup job you wish to start then click on its grey arrow icon on the far right.
</note>

===== Supported File Systems for Optimized Backups =====

^ Operating Systems ^ Hard Disk File System ^ Optimized Backup (Incremental) ^
| Linux | ext2, ext3, ext4, and XFS | Yes |
| Mac | HFS+ Non-Journaled | Yes |
| Mac | HFS+ Journaled | No |
| Windows/Mac | FAT32 | No |
| Windows | NTFS | No |