2017-06-28 07:48 PM
NetApp FAS and AFF systems read and write on behalf of clients in 4K blocks. Disks will use 512b, 520b or 4K blocks on the back end, but it is not reasonable to compare NetApp systems to conventional RAID systems. Any particular reason you would like to know?
2017-06-29 05:00 AM
This is going into the way-back machine, but a lot of the basics are still valid 11 years later. From the venerable Dave Hitz and Akshay Bhargava:
Section 5 on page 11 has explanations about WAFL...
2017-06-29 06:46 AM