we have many ubuntu servers that are joined to active directory using sssd.
However, domain users are unable to login when the root partition reaches full capacity.
After some research I found the following thread: https://bugzilla.redhat.com/show_bug.cgi?id=849538
which suggested to solve the issue (or rather avoid it) by placing
/var/lib/sss on a separate partition and that is exactly what I did. (supposedly there must be room left in
/var/lib/sss directory for logins to succeed)
I was very disappointed to discover that this solution is proven false.
my root partition reached full capacity, while
/var/lib/sss still has plenty of room.
domain users are still unable to connect.
(obviously making sure the root partition doesn’t get full is the ideal solution, but sadly we do not live in an ideal world..)