NetBackup now supports data immutability and indelibility with the MSDP WORM instance in Flex Appliance
NetBackup 8.3.0.1 supports WORM storage when using the Media Server Deduplication Pool (MSDP) WORM instance that is deployed in the upcoming Flex Appliance 1.4 or later versions.
NetBackup supports the following retention period modes:
Compliance Mode
Enterprise Mode
For more information, refer to the Veritas NetBackup Deduplication Guide:
https://www.veritas.com/support/en_US/doc/25074086-143197427-0