I know, 1.6. is no longer maintained and the general advice would be to upgrade (which has been scheduled following the incident), but 1.6.2 is the version that Debian stable provides. Anyway, any thoughts on the possible reasons why Nginx could stop responding completely for exactly 30 minutes following the error below? 2016/11/07 16:38:57 9857#0: *6789258 pread() "/srv/data/filedir/07/dby kabalin - Other discussion