# Add a User-Defined Subclient for CIFS Shares or NFS Exports for Dell EMC Isilon/PowerScale

You can create a subclient for files and folders that have the same backup requirements. For example, you can create a subclient for files that change frequently.

## Add a User-defined Subclient for Dell EMC Isilon/PowerScale Files Exported to CIFS

### Before You Begin

- Review the following prerequisites for CIFS shares:

  - Verify that all Windows data access nodes have access and permissions to the CIFS share.

  - Verify that the impersonate user credentials have read and write permissions on the CIFS share. The same user credentials are used to back up the subclient and to browse for subclient content (not all file servers require credentials for browsing).

  - If you are creating a subclient whose content is CIFS shares from a non-default access zone, verify that the subclient content is from the same access zone.

  - For optimal usage of all the nodes in the Dell EMC Isilon/PowerScale cluster, you must configure appropriate number of data readers (streams) on the access nodes at the subclient level. For more information, see Optimal Utilization of Dell EMC Isilon/PowerScale/PowerScale Nodes to Backup CIFS Shares.

### Start the Configuration Wizard

1. From the Command Center navigation pane, go to Protect > Files.

   The Overview page appears.

2. Go to the Files tab, and then click the Dell EMC Isilon/PowerScale file server.

   The file server page appears.

3. Under Protocols, click CIFS.

   The CIFS Overview page appears.

4. On the Subclients tab, on the right of the page, click Add subclient.

   The Add Subclient page appears.

5. In the Name box, enter a name for the subclient.

6. From the Backup sets list, select the backup set.

7. Click Next.

   The Plan page appears.

### Plan

1. From the Plan list, select the backup plan to use for the subclient.

2. Click Next.

   The Content page appears.

### Backup Content

1. Specify the content to be backed up by the subclient.

   1. In the Content area, click Add, and then choose one of the following methods:

   2. Browse: Select items from the file system.

   3. Custom path: Enter one or more paths manually.

2. In the Exclusions area, click Add, and then use Browse or Custom path to specify items to exclude.

3. To create exceptions, enable Define exceptions, click Add, and then use Browse or Custom path to specify items to exempt from the exclusions.

   Browse

   1. Click Browse.

   2. Enter the Interface path.

   3. Select an access node, and then click Browse.

   4. Select the required items, and then click Save.

   Custom path

   1. Enter a path or filter pattern in the Enter custom path field.

   2. Click the add button.

4. From the Include global exclusions list, select one of the following:

   - Off: Applies only subclient exclusions. This option overrides the Use Global Filters on All Subclients setting.

   - On: Applies both global filters and subclient exclusions. This option overrides the Use Global Filters on All Subclients setting.

   - Use cell level policy: Applies global filters only if Use Global Filters on All Subclients is enabled in Global Filters.

5. Click Submit.

## Add a User-defined Subclient for Dell EMC Isilon/PowerScale Files Exported to NFS

### Before You Begin

- Review the following prerequisites for NFS shares:

  - Mount the NFS export from the file server.

    For example, to mount a volume named vol_abc from a file server at 172.19.77.5 to a mount point named /test, use the following command:

        mount 172.19.75.75:/vol/vol_abc /test

  - Verify that the NFS export is mounted in the same directory on all the Linux data access nodes.

### Start the Configuration Wizard

1. From the Command Center navigation pane, go to Protect > Files.

   The Overview page appears.

2. Go to the Files tab, and then click the Dell EMC Isilon/PowerScale file server.

   The file server page appears.

3. Under Protocols, click NFS.

   The NFS Overview page appears.

4. On the Subclients tab, on the right of the page, click Add subclient.

   The Add Subclient page appears.

5. In the Name box, enter a name for the subclient.

6. From the Backup sets list, select the backup set.

7. Click Next.

   The Plan page appears.

### Plan

1. From the Plan list, select the backup plan to use for the subclient.

2. Click Next.

   The Content page appears.

### Backup Content

1. Specify the content to be backed up by the subclient.

   1. In the Content area, click Add, and then choose one of the following methods:

   2. Browse: Select items from the file system.

   3. Custom path: Enter one or more paths manually.

2. In the Exclusions area, click Add, and then use Browse or Custom path to specify items to exclude.

3. To create exceptions, enable Define exceptions, click Add, and then use Browse or Custom path to specify items to exempt from the exclusions.

   Browse

   1. Click Browse.

   2. Enter the Interface path.

   3. Select an access node, and then click Browse.

   4. Select the required items, and then click Save.

   Custom path

   1. Enter a path or filter pattern in the Enter custom path field.

   2. Click the add button.

4. From the Include global exclusions list, select one of the following:

   - Off: Applies only subclient exclusions. This option overrides the Use Global Filters on All Subclients setting.

   - On: Applies both global filters and subclient exclusions. This option overrides the Use Global Filters on All Subclients setting.

   - Use cell level policy: Applies global filters only if Use Global Filters on All Subclients is enabled in Global Filters.

5. Click Submit.

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