RHCOS nodes are failing to boot with an error "Couldn't find specified OSTree root" in RHOCP 4

Solution Verified - Updated -

Issue

  • RHCOS nodes are failing to boot with a message failed to start ostree prepare os.
  • The node is reporting a NotReady status and the serial console indicates a boot failure with the error Couldn't find specified OSTree root.

Environment

  • Red Hat OpenShift Container Platform 4
  • Red Hat Enterprise Linux CoreOS (RHCOS)

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content