Hi,
So my server has been running perfectly fine for a while then today it suddenly stopped working, upon shutting it down and starting it up again it started working again.
Once looking at the log just before everything stopped working I see (Vault is my server name)
Nov 27 20:17:01 Vault postfix/postsuper[16884]: fatal: scan_dir_push: open directory hold: No such file or directory
So I wanted to know a few things really if this is going to happen again, do I have a drive failure, why this happened and do I need to worry.
Below I have attached a few lines before the error if needed as well.
Nov 27 18:39:09 Vault systemd[1]: Starting Clean php session files...
Nov 27 18:39:09 Vault systemd[1]: Started Clean php session files.
Nov 27 18:45:01 Vault CRON[15258]: (root) CMD (/usr/sbin/omv-mkrrdgraph >/dev/null 2>&1)
Nov 27 19:00:01 Vault CRON[15488]: (root) CMD (/usr/sbin/omv-mkrrdgraph >/dev/null 2>&1)
Nov 27 19:01:39 Vault systemd[1]: Started Run anacron jobs.
Nov 27 19:01:39 Vault anacron[15592]: Anacron 2.3 started on 2019-11-27
Nov 27 19:01:39 Vault anacron[15592]: Normal exit (0 jobs run)
Nov 27 19:01:39 Vault systemd[1]: anacron.timer: Adding 1min 44.486450s random time.
Nov 27 19:09:01 Vault CRON[15656]: (root) CMD ( [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/systemd/system ]; then /usr/lib/php/sessionclean; fi)
Nov 27 19:09:09 Vault systemd[1]: Starting Clean php session files...
Nov 27 19:09:09 Vault systemd[1]: Started Clean php session files.
Nov 27 19:09:25 Vault rrdcached[1030]: flushing old values
Nov 27 19:09:25 Vault rrdcached[1030]: rotating journals
Nov 27 19:09:25 Vault rrdcached[1030]: started new journal /var/lib/rrdcached/journal/rrd.journal.1574881765.724669
Nov 27 19:09:25 Vault rrdcached[1030]: removing old journal /var/lib/rrdcached/journal/rrd.journal.1574874565.724626
Nov 27 19:15:01 Vault CRON[15769]: (root) CMD (/usr/sbin/omv-mkrrdgraph >/dev/null 2>&1)
Nov 27 19:17:01 Vault CRON[15878]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Nov 27 19:17:01 Vault postfix/postsuper[15881]: fatal: scan_dir_push: open directory hold: No such file or directory
Nov 27 19:30:01 Vault CRON[15991]: (root) CMD (/usr/sbin/omv-mkrrdgraph >/dev/null 2>&1)
Nov 27 19:39:01 Vault CRON[16156]: (root) CMD ( [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/systemd/system ]; then /usr/lib/php/sessionclean; fi)
Nov 27 19:39:09 Vault systemd[1]: Starting Clean php session files...
Nov 27 19:39:10 Vault systemd[1]: Started Clean php session files.
Nov 27 19:45:01 Vault CRON[16272]: (root) CMD (/usr/sbin/omv-mkrrdgraph >/dev/null 2>&1)
Nov 27 20:00:01 Vault CRON[16488]: (root) CMD (/usr/sbin/omv-mkrrdgraph >/dev/null 2>&1)
Nov 27 20:01:50 Vault systemd[1]: Started Run anacron jobs.
Nov 27 20:01:50 Vault anacron[16596]: Anacron 2.3 started on 2019-11-27
Nov 27 20:01:50 Vault anacron[16596]: Normal exit (0 jobs run)
Nov 27 20:01:50 Vault systemd[1]: anacron.timer: Adding 37.324347s random time.
Nov 27 20:09:00 Vault systemd[1]: Starting Clean php session files...
Nov 27 20:09:00 Vault systemd[1]: Started Clean php session files.
Nov 27 20:09:01 Vault CRON[16719]: (root) CMD ( [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/systemd/system ]; then /usr/lib/php/sessionclean; fi)
Nov 27 20:09:25 Vault rrdcached[1030]: flushing old values
Nov 27 20:09:25 Vault rrdcached[1030]: rotating journals
Nov 27 20:09:25 Vault rrdcached[1030]: started new journal /var/lib/rrdcached/journal/rrd.journal.1574885365.724629
Nov 27 20:09:25 Vault rrdcached[1030]: removing old journal /var/lib/rrdcached/journal/rrd.journal.1574878165.724621
Nov 27 20:15:01 Vault CRON[16771]: (root) CMD (/usr/sbin/omv-mkrrdgraph >/dev/null 2>&1)
Nov 27 20:17:01 Vault CRON[16881]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Nov 27 20:17:01 Vault postfix/postsuper[16884]: fatal: scan_dir_push: open directory hold: No such file or directory