Question Constant full-throttle disk activity

Apr 3, 2022
This is a
  • home PC with 2x SATA SSD RAID 1 and 4x SATA Hitachi managed by Intel Rapid Storage Technology RAID controller.
  • Windows 10, fully patched.
  • Task manager / Performance monitor show low activity, but nothing that would warrant permanent, constant full-on noisy disks
  • This has been going on forever but it's really starting to get on my nerves.
  • It's like there's a geiger counter in the midst of Chernobyl. I tried to capture it here: View:
  • The video there has been taken at 8AM, after the computer was idle all night.

Any ideas what the hell causes this?