content_image/977408.jpg
To update the properties, follow these steps: 

1. In the CommCell browser window, navigate to Storage Policies . 

2. Right-click the policy that you need to update. 

3. Select Properties . Additional data paths for the primary copy can be defined on the Data Paths tab of the Copy Properties dialog box (Figure 18-17).$^{2}$ 

## 18.3 Commvault FSI 

<img src='content_image/977408.jpg'>

This section provides steps and preferred practices for configuring and setting up Commvault for backup and restore. It also provides Commvault parameters and settings for best performance with ProtecTIER FSI (versions earlier than 3.4) for Windows based servers through the CIFS protocol (FSI-CIFS) and for UNIX clients through the NFS protocol (FSI-NFS). 

Note:  ProtecTIER GA Version 3.4 was released with only the Virtual Tape Library (VTL) interface support. File System Interface (FSI) support was added to ProtecTIER PGA 3.4 Version. For details, see the announcement letter: 

http://www.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/6/872/ENUSA P16-0076/index.html&lang=en&request_locale=en 

## 18.3.1 Setting up backup and restore in a CIFS environment 

This section provides steps and preferred practices for configuring and setting up Commvault for backup and restore in an FSI-CIFS environment. 

## Adding a disk library 

To add a disk library, complete the following steps: 

1. From the Control Panel, double-click Library and Drive Configuration . 

2. Select the MediaAgents whose devices you want to detect or display from the Available MediaAgents pane. 

3. Click Add >>  to move the MediaAgents to the Selected MediaAgents pane. 

