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HOWTO: FreeBSD Jails: move postfix queue directory to ssd hard drive (outside the jail)(zfs)

June 21, 2012

1. Create directories where postfix queues and maillogs will be mounted

#mkdir /ssd/postfix/smtp203/maillogs /ssd/postfix/smtp203/queues

2. Mount with nullfs the ssd directories into the freebsd jail directory tree

#mount_nullfs -orw /ssd/postfix/smtp203/maillogs/ /jails/smtp203/maillogs/
#mount_nullfs -orw /ssd/postfix/smtp203/queues/ /jails/smtp203/queues/

3. Enter the jail and make queues directory avail for postfix

#jexec 3 csh

smtp203# grep maillogs /etc/syslog.conf
mail.info /maillogs/maillog

smtp203#/etc/rc.d/syslogd restart
smtp203# /usr/local/etc/rc.d/postfix stop

smtp203# grep queue_dir /usr/local/etc/postfix/main.cf
queue_directory = /queues

4. Make postfix fetch to recreate the queue directories and just restart postfix

smtp203# postfix fetch
smtp203# postfix start

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From → Emailling, FreeBSD, Jails

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