Slide 9
Slide 9 text
overlay /etc overlay
defaults,upperdir=/sysroot/var/lib/overlay/18/etc,lowerdir=/sysroot/var/lib/
overlay/16/etc:/sysroot/var/lib/overlay/12/etc:/sysroot/var/lib/overlay/10/
etc:/sysroot/var/lib/overlay/8/etc:/sysroot/var/lib/overlay/7/etc:/sysroot/
var/lib/overlay/6/etc:/sysroot/etc,workdir=/sysroot/var/lib/overlay/work-
etc,x-systemd.requires-mounts-for=/var,x-systemd.requires-mounts-for=/var/lib/
overlay,x-systemd.requires-mounts-for=/sysroot/var,x-systemd.requires-mounts-
for=/sysroot/var/lib/overlay,x-initrd.mount 0 0
Changelog: /etc fstab entry
●
To prevent the overlayfs stack from growing infinitely the /etc state of
the oldest available snapshot is synchronized into the new snapshot
– The /etc directory in a snapshot (/.snapshots//snapshot/etc) alone
does not represent a consistent system state!
– Do not mess with the files in /var/lib/overlays (though you can use them as a
backup source if you want)