Mkdir is Read Only?


I have MDS setup on an SMB share, and a user who tried to use it today saw this after typing in mkdir /tpm/mnt:

mkdir: /tmp/mnt: Read-only file system

Then when they try to mount, of course it will not mount


This is usually due to the recovery partition being very old. Try running sw_vers in Terminal in Recovery to see what version it is. You can boot to a new Recovery using the key combo outline here: