sysfs is remounted as read-only in RHEL6

Solution Unverified - Updated -

Issue

  • sysfs is remounted as read-only.
  • /sys is remounted as read-only.
  • When writing to /sys, it prompts "Read-only file system".
# echo never > /sys/kernel/mm/transparent_hugepage/defrag
-bash: /sys/kernel/mm/transparent_hugepage/defrag: Read-only file system

Environment

  • Red Hat Enterprise Linux 6
  • Docker

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.