these are not happy graphs...
disk % used (with like 200+ GB each..)
https://stats.pixie.town/d/stats/node-stats?viewPanel=4&orgId=1&from=now-3h&to=now&var-job=terra
disk read/writes..
https://stats.pixie.town/d/stats/node-stats?viewPanel=32&orgId=1&from=now-3h&to=now&var-job=terra