On Thu, 30 Apr 2015, Ondrej Valousek wrote:
Yes, I am using it heavily, but not for /etc. I need /etc to stay
so that it could be shared by multiple compute nodes.
You can effectively do it for single files. On CentOS you can look at
rc.sysinit, and the "mount_files" function.
You'll not /etc/rwtab lists things like /etc/resolv.conf, so you don't have to
hit all of /etc.