Am 14/09/2022 um 15:42 schrieb Dominik Csapak:
> The downside is that we cannot authenticate users anymore without quorum
> (since locking requires write access to pmxcfs), even for users without
> tfa configured (and also for clusters without any tfa configured at all)

question is more if we should disallow login on unquorate clusters for all
but root@pam, as for all others you cannot be sure if they still got the
permissions and for the pve realm the credentials are still correct, or
if the non-existing TFA entry is still up-to-date (the quorate partition
could have TFA configured for that user since cluster split).

root@pam is a hard-coded super admin and verified via PAM, which normally
should be pmxcfs, and thus quorum, independent, at least if nobody was crazy
enough to link /etc/shadow to a file in pmxcfs or wrote a PAM that works 
on pmxcfs info in other ways.


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