# System Requirements for CIFS Backups Using Linux Access Nodes

To back up CIFS shares using Linux access nodes, verify that you environment meets the system requirements for the Linux access nodes.

1. The access nodes must have the File system and MediaAgent packages installed on them.

2. For NAS CIFS share backups using Linux access nodes through automatic mount operations, configure the FileShareAutoMountOptions additional setting at the subclient level to specify custom mount options when the share is mounted.

3. The samba-client or smbclient and the cifs-utils packages must be installed on the Linux access nodes if they are used to back up CIFS shares.

   cifs-utils version | Operating System | What is backed up and restored
   --- | --- | ---
   cifs-utils 6.2 | Red Hat Enterprise Linux 7.x | DACL
   cifs-utils 7.0 | Red Hat Enterprise Linux 8.x | DACL and owner
   cifs-utils 7.0 | Red Hat Enterprise Linux 9.x - Kernel 5.11 | DACL, owner, and SACL

4. You can back up CIFS shares through HyperScale X access nodes as well.

   HyperScale X version | cifs-utils | samba-client or smbclient
   --- | --- | ---
   HSX 3.x | cifs-utils-7.0-1.el8.x86_64 | samba-client-4.18.6-2.el8_9.x86_64
   HSX 2.x (2.2) | cifs-utils-6.2-10.el7.x86_64 | samba-client-4.11.6-116.el7rhgs.x86_64

   Note

   - For existing HyperScale X clients, Samba client and cifs-utils packages are automatically installed during the OS update to Commvault Platform Release 2024E (11.36).

   - For new HyperScale X clients, Samba client and cifs-utils packages are automatically included in the Commvault Platform Release 2024E (11.36) media.

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