/tmp not writable when booting from NFS
Dieter Scholz
rd-disc at gmx.net
Mon Feb 13 20:48:01 CET 2017
Hello,
> Do you have any references which say NFS export is not possible with
overlay-fs?
I read about it in the kernel docs. But I reviewed it and it's vice
versa - overlayfs on top of NFS does not work.
But the fact is that my nfs on top of overlayfs does not start with the
message :
exportfs: /srv/fai/config does not support NFS export
Here's the content of my exports file:
/srv/fai/config
$FCP_FAICD_IP/$FCP_CIDR(fsid=1,async,ro,no_subtree_check,crossmnt)
/srv/fai/nfsroot
$FCP_FAICD_IP/$FCP_CIDR(fsid=2,async,ro,no_subtree_check,no_root_squash,crossmnt)
I tried various alternatives - without success. If I mount and export
the underlying squashfs, the exports are working but I get lots of
errors concerning read only /tmp when booting the install client (see my
screenshot attached).
Nearly the same setup works under Jessie (with aufs).
Kind regards,
Dieter
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