Hello, I made a cron/backup of the mailboxes (/var/imap and /var/spool/imap) this evening. Everything worked apparently fine.
Here is /var/log/messages with comment Apr 24 07:00:00 lx93 /USR/SBIN/CRON[7118]: (root) CMD (/home/cyrus/sauve.txt) Apr 24 07:00:00 lx93 master[1630]: exiting on SIGTERM Apr 24 07:00:03 lx93 master: unable to change limit of file descriptors available ==> I have already seen this line without knowing exactly what it means Apr 24 07:00:03 lx93 master[7215]: process started Apr 24 07:00:03 lx93 master[7216]: about to exec /usr/cyrus/bin/ctl_mboxlist Apr 24 07:00:03 lx93 ctl_mboxlist[7216]: running mboxlist recovery Apr 24 07:00:03 lx93 ctl_mboxlist[7216]: done running mboxlist recovery ==> I suppose it is the instruction ctl_mboxlist -r but why a "recovery". Is it routine? Apr 24 07:00:03 lx93 master[7221]: about to exec /usr/cyrus/bin/ctl_deliver Apr 24 07:00:03 lx93 master[7215]: ready for work Apr 24 07:00:03 lx93 master[7222]: about to exec /usr/cyrus/bin/ctl_mboxlist Apr 24 07:00:03 lx93 ctl_mboxlist[7222]: checkpointing mboxlist ==> why again ctl_mboxlist -c? Routine? Apr 24 07:00:03 lx93 master[7215]: process 7222 exited, status 0 Apr 24 07:00:03 lx93 master[7223]: about to exec /usr/cyrus/bin/ctl_deliver Apr 24 07:00:03 lx93 ctl_deliver[7223]: duplicate_prune: pruning back 3 days Apr 24 07:00:03 lx93 ctl_deliver[7223]: duplicate_prune: /var/imap/deliverdb/deliver-a.db: purged 174 out of 1048 entries ==> I have some problem to understand the word "pruning". What does ctl_deliver do? ctl_mboxlist -E days Prune the database of entries older than days. Apr 24 07:00:03 lx93 ctl_deliver[7223]: duplicate_prune: /var/imap/deliverdb/deliver-b.db: purged 0 out of 1 entries Apr 24 07:00:03 lx93 ctl_deliver[7223]: duplicate_prune: /var/imap/deliverdb/deliver-c.db: purged 0 out of 0 entries Apr 24 07:00:03 lx93 ctl_deliver[7223]: duplicate_prune: /var/imap/deliverdb/deliver-d.db: purged 0 out of 0 entries Apr 24 07:00:03 lx93 ctl_deliver[7223]: duplicate_prune: /var/imap/deliverdb/deliver-e.db: purged 0 out of 0 entries Apr 24 07:00:03 lx93 ctl_deliver[7223]: duplicate_prune: /var/imap/deliverdb/deliver-f.db: purged 0 out of 0 entries etc ... etc ... -- Alain Barthélemy SBB-ISP