1. Proposed title of this feature request

[RFE] VDO support for 1 PB physical volume size

2.

3. What is the nature and description of the request?

• RHEL VDO currently supports a maximum 256 TB physical volume size with 32 GB slab size.
  (https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/deduplicating_and_compressing_storage/deploying-vdo_deduplicating-and-compressing-storage#slab-size-in-vdo_deploying-vdo)
• Request for VDO to support creation of 1 PB physical volumes.

4. Why does the customer need this? (List the business requirements here)

• Customer is running environments with multiple PBs of storage.
• They currently create four separate 256 TB volumes to fulfil a 1 PB requirement.

5. How would the customer like to achieve this? (List the functional requirements here)

• Enhancement in VDO that supports the creation of 1 PB volumes.

6. For each functional requirement listed, specify how Red Hat and the customer can test to confirm the requirement is successfully implemented.

• Red Hat confirms availability of required capability in Satellite.
• Customer updates Satellite and tests functionality.

7. Is there already an existing RFE upstream or in Red Hat Bugzilla?

• Unknown

8. Does the customer have any specific timeline dependencies and which release would they like to target?

• As soon as possible.

9. Is the sales team involved in this request and do they have any additional input?

• No

10. List any affected packages or components.

• vdo
• kvdo

11. Would the customer be able to assist in testing this functionality if implemented?

• Customer is willing to work with Red Hat to test functionality.