> Yes you can.
> Or you can "mount -o remount,noxino /usr" before "umount -l /usr".
> The noxino option closes xino files.
FYI,
(from the aufs1 manual)
When your aufs is the root directory of your system, and your system
tells you some of
the filesystem were not unmounted cleanly, try these procedure when
you shutdown your
system.
# mount -no remount,ro /
# for i in $writable_branches
# do mount -no remount,ro $i
# done
If your xino file is on a hard drive, you also need to specify
'noxino' option or 'xino=
/your/tmpfs/xino' at remounting root directory.
J. R. Okajima
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