http://linux-pam.org/Linux-PAM-html/sag-pam_exec.html I would further assume pam_exec ignores SUID bit on binaries either because of a bug or deliberately because there is no good reason to ever do that. _______________________________________________ linux-lvm mailing list linux-lvm@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/