Create a Virtual Disk using the Distributed Storage servers with erasure coding (EC 4.2).
From the navigation pane, go to Distributed Storage.
The Distributed Storage page appears.
In the Cluster URL column for the registered Distributed Storage cluster, click the cluster URL that you need to access.
The Cluster Watch page appears.
On the Virtual Disk Management tab, click Add Disk.
The Add New Virtual Disk dialog box is displayed.
Select or enter the following information:
In the Name box, type the name of the virtual disk.
Note: This name will be used as the export name for mounting the disk library on the MediaAgent.
In the Size box, type the size of the virtual disk used for the disk library.
From the Disk Type list, choose NFS.
From the Workload Type list, choose Backup.
Under Protection Policy choose the Erasure Coding option.
From the Erasure Config list, select the RS_4_2 option.
Encryption and Enable Deduplication should be disabled (turned-off).
For more information about adding virtual disks, see Creating Virtual Disks.