Why /sys filesystem goes into read-only mode in Red Hat Enterprise Linux 6 that runs Docker ?

Solution Verified - Updated -

Issue

  • /sys filesystem going into read-only mode
# cat /proc/mounts | grep -i "/sys" 
   sysfs /sys sysfs ro,relatime 0 0
  • If /sys is remounting in "rw" mode then, after, sometime it is again getting remounted as "ro"
 # mount -o remount,rw /sys

Environment

Red Hat Enterprise Linux 6

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