[squid-users] Squid not retaining cached objects between server restarts

Hi,

As a rule squid works pretty well, except that it seems to 'loose' objects
from the cache when the machine is restarted and or after a few hours/days.
It then re-downloads files that have not changed. All I need is a simple
setup that will cache as much as possible (use as much of the cache size as
possible) and only download files when they've changed. I do lots of Linux
re-installs inside VMs and I'd like to source updates from the cache instead
of downloading the same RPMs over and over again.

Could someone perhaps tell me what I need to change in my conf file?

Thanks

http_port 3128 transparent
hierarchy_stoplist cgi-bin ?
acl QUERY urlpath_regex cgi-bin \?
no_cache deny QUERY
cache_replacement_policy heap LFUDA
cache_dir diskd /var/spool/squid 10240 16 256
cache_store_log none
auth_param basic children 5
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 2 hours
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern . 0 20% 4320
half_closed_clients off
acl all src 0.0.0.0/0.0.0.0
acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl to_localhost dst 127.0.0.0/8
acl localnet src 10.0.0.0/8 # RFC1918 possible internal network
acl localnet src 172.16.0.0/12 # RFC1918 possible internal network
acl localnet src 192.168.0.0/16 # RFC1918 possible internal network
acl SSL_ports port 443 563
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 563 # https, snews
acl Safe_ports port 70 # gopher
acl Safe_ports port 210 # wais
acl Safe_ports port 1025-65535 # unregistered ports
acl Safe_ports port 280 # http-mgmt
acl Safe_ports port 488 # gss-http
acl Safe_ports port 591 # filemaker
acl Safe_ports port 777 # multiling http
acl CONNECT method CONNECT
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access deny to_localhost
acl mynetwork src 192.168.100.0/255.255.255.0
http_access allow mynetwork
http_access allow localnet
http_access allow localhost
http_reply_access allow all
icp_access allow all
visible_hostname myfirewall_at_mydomain.com
append_domain .homeland.net
err_html_text admin_at_mydomain.com
deny_info ERR_CUSTOM_ACCESS_DENIED all
memory_pools off
coredump_dir /var/spool/squid
ie_refresh on
maximum_object_size 800 MB

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