Extend Flexcache wite-back requirements

[SuperJT]

Page URL

https://docs.netapp.com/us-en/ontap/flexcache-writeback/flexcache-write-back-prerequisites.html

Page title

FlexCache write-back prerequisites

Summary

We need to update the flexcache pre-requisites to include a recommended amount of memory available on the platform. In testing we test using an a400 with 128gb of ram. It is the suggestion from engineering team that the origin should have at least 128gb of ram. The more workload, the higher the requirement.

Please work with @srikanth kaligotia / raghuram sudhaakar for clarification on the details if needed.

Public issues must not contain sensitive information

• [X] This issue contains no sensitive information.

[elliottecton]

We are working with engineering to get this information. Once it is solidified, I will update the appropriate collateral.