# HG changeset patch # User Florian Haas <florian.haas at linbit.com> # Date 1285854769 -7200 # Node ID d5e389633c8621499327f2acf28fd74ad18c1290 # Parent c910a3f4a5bfd3636b0b0bbb2bd46678cfb0d457 Medium: IPaddr2: optionally flush kernel routing table on interface stop
This is an updated version which uses the generic "ip route flush cache" command instead of relying on the existence of a specific sysctl. diff -r c910a3f4a5bf -r d5e389633c86 heartbeat/IPaddr2 --- a/heartbeat/IPaddr2 Wed Sep 29 21:52:52 2010 +1000 +++ b/heartbeat/IPaddr2 Thu Sep 30 15:52:49 2010 +0200 @@ -231,8 +231,26 @@ <content type="string" default="ffffffffffff"/> </parameter> +<parameter name="flush_routes"> +<longdesc lang="en"> +Flush the routing table on stop. This is for +applications which use the cluster IP address +and which run on the same physical host that the +IP address lives on. The Linux kernel may force that +application to take a shortcut to the local loopback +interface, instead of the interface the address +is really bound to. Under those circumstances, an +application may, somewhat unexpectedly, continue +to use connections for some time even after the +IP address is deconfigured. Set this parameter in +order to immediately disable said shortcut when the +IP address goes away. +</longdesc> +<shortdesc lang="en">Flush kernel routing table on stop</shortdesc> +<content type="boolean" default="false"/> +</parameter> + </parameters> - <actions> <action name="start" timeout="20s" /> <action name="stop" timeout="20s" /> @@ -396,9 +414,12 @@ CMD="$IP2UTIL -f inet addr delete $ipaddr/$netmask dev $iface" - ocf_log info "$CMD" - $CMD || - return $OCF_ERR_GENERIC + ocf_run $CMD || return $OCF_ERR_GENERIC + + if ocf_is_true $OCF_RESKEY_flush_routes; then + ocf_run ip route flush cache + fi + return $OCF_SUCCESS } _______________________________________________________ Linux-HA-Dev: Linux-HA-Dev@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux-ha-dev Home Page: http://linux-ha.org/