On Thu, Oct 28, 2021 at 5:47 PM Amir Goldstein <amir73il@xxxxxxxxx> wrote: > > On Thu, Oct 28, 2021 at 9:44 PM Carl Karsten <carl@xxxxxxxxxxxxxxxx> wrote: > > > > bumping into this again, and now I have more stable .. thing. > > > > my stack of dirs: > > base - copy of files from raspios-buster-armhf-lite.img > > setup - config files my setup adds > > updates - apt update/upgrade > > play - random things I am testing > > > > work - overlayfs working dir > > merged - overlayfs mount point > > > > I cp files in base and setup, > > mount base setup updates play on mounted > > write some files into mounted > > > > Now I want to undo: > > rm play work merged > > mkdir play work merged > > mount... > > error Stale file handle. > > You are not allowed to re-create lower dir when using nfs_expoprt. > If you re-create/replace/rearrange any of the lower dirs, you need > to also re-create the upperdir. > > > > > juser@negk:~$ sudo ./test.sh > > + rm -rf /srv/nfs/rpi/buster/boot/play /srv/nfs/rpi/buster/boot/work > > /srv/nfs/rpi/buster/boot/merged > > + mkdir /srv/nfs/rpi/buster/boot/play /srv/nfs/rpi/buster/boot/work > > /srv/nfs/rpi/buster/boot/merged > > + mount -t overlay overlay -o > > nfs_export=on,lowerdir=/srv/nfs/rpi/buster/boot/base:/srv/nfs/rpi/buster/boot/setup,upperdir=/srv/nfs/rpi/buster/boot/updates,workdir=/srv/nfs/rpi/buster/boot/work > > is ../boot/base/ supposed to be the uppermost lower layer. > It's name and you description above sounds like it should be the > bottom most layer, > but you stacked ../boot/setup below it. > > > /srv/nfs/rpi/buster/boot/merged > > mount: /srv/nfs/rpi/buster/boot/merged: mount(2) system call failed: > > Stale file handle. > > [ 1602.271239] overlayfs: failed to verify origin (boot/base, > > ino=4194652, err=-116) > > [ 1602.271244] overlayfs: failed to verify upper root origin > > > > translation: boot/base is not the directory that used to be right below > boot/updates. I guess you meant boot/setup to be on top of boot/base? > whoops. > Thanks, > Amir. no no, thank you ;) -- Carl K
