Henrik Nordstrom wrote:
On Mon, 10 Oct 2005, [ISO-8859-1] Hendrik Voigtländer wrote:
If the parents die (host or squid crash, network failures) fallback
ist provided with direct access via a third line. Parents are marked
down.
How is this done?
3th line is reachable by backends via default-gw
always_direct allow direct_by_dst_ip
always_direct allow local-networks
always_direct deny all
nonhierarchical_direct off
cache_peer rhone.foo.bar parent 8080 0 no-query no-delay
no-digest default
cache_peer seine.foo.bar parent 8080 0 no-query no-delay
no-digest
Should be more or less the same when the parents fails to resolve..
But in this case the child should fetch direct instead of displaying the
error page?
What can I do to provide fallback in this case? Shutting squid down
with ip-down script seems not very bulletproof as this handles
linefailures only but not a crashing pppd.
You could add some link monitoring, shutting down the Squids when the
link is deemed unuseable.
Seems to be the only way. Probing the local bind sounds easy enough.
Any opinion about establishing sibling relationship between the backends?
Thanks, Hendrik
