From squid settings enable Rotate Logs and enter number of days u want to keep the logs ,
It's already configured "Log rotate is 7 days"
I have did some command and resolve the problem
df -h - check what is consuming space
rm -rf /var/squi/cache/* - clear cache log
squid -z - rebuild cache
rm -rf /var/squid/logs/* - clear old logs
[2.1.5-RELEASE][root@firewall.fairtrans.local]/root(5): df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/da0s1a 30G 5.0G 23G 18% /
devfs 1.0k 1.0k 0B 100% /dev
/dev/md0 3.6M 52k 3.3M 2% /var/run
devfs 1.0k 1.0k 0B 100% /var/dhcpd/dev
how long back did you install the squid package?
Since 2014
2.1.5-RELEASE (i386)
built on Mon Aug 25 07:44:26 EDT 2014
FreeBSD 8.3-RELEASE-p16
Please advise is it possible to upgrade without missing the current settings and configuration for the server
Update available. Click Here to view update.
A new version is now available
Current version: 2.1.5-RELEASE
Built On: Mon Aug 25 07:44:26 EDT 2014
New version: 2.3-RELEASE
Update source: https://updates.pfsense.org/_updaters