horms at verge
Aug 6, 2009, 4:42 PM
Post #2 of 4
(706 views)
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Re: [lvs-users] LVSSyncDaemonSwap syncid patch
[In reply to]
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On Thu, Aug 06, 2009 at 02:24:26PM +0200, Sebastien Termeau wrote:
> Dear LVS users,
>
> Here is a patch to LVSSyncDaemonSwap.
> It adds a syncid parameter allowing you to specify the ipvsadm daemon syncid
> in the haresources file like this :
> LVSSyncDaemonSwap::master::eth0::<sync_id>
>
> The only drawback is that you have to specify the mcast interface in order
> to use the syncid parameter.
> Your comments are most welcome.
Hi Sebastien,
My only comment is that if your kernel is new enough that
the syncrhonisation daemon supports syncid, then it should
also be new enough that you can run the master and backup daemons
simultaneously, so there is no need for LVSSyncDaemonSwap on such systems.
That said, this change looks good to me and I'm happy to commit it.
Could you provide a signed-off-by line as per section 5 of
http://linux.yyz.us/patch-format.html ?
> Regards
>
> Sebastien
>
> --- LVSSyncDaemonSwap.orig 2009-08-06 14:36:33.000000000 +0200
> +++ LVSSyncDaemonSwap 2009-08-06 15:01:34.000000000 +0200
> @@ -11,7 +11,8 @@
> # Please note that as of 2.4.29, this is no longer needed
> # as both the master and backup daemon can run simultaneously
> #
> -# usage: $0 {master|backup} {interface}
> {start|stop|status|monitor|cleanup}
> +# usage: $0 {master|backup} {interface {syncid}}
> {start|stop|status|monitor|cleanup}
> +# If you want to specify the syncid, you have to specify the mcast
> interface first
> #
> # The first argument, master or backup, is the YING.
> # The YANG is internally calculated to be which ever or master and
> @@ -36,7 +37,7 @@
> exec_prefix=/usr
> . /etc/ha.d/shellfuncs
>
> -USAGE="usage: $0 {master|backup} {interface}
> {start|stop|status|monitor|cleanup}\n\nNote: $0 only works on Linux";
> +USAGE="usage: $0 {master|backup} {interface {syncid}}
> {start|stop|status|monitor|cleanup}\n\nNote: $0 only works on Linux";
>
> # This is consistent with ldirectord's behaviour
> # Except that this script does not have a debug mode
> @@ -115,7 +116,7 @@
> ha_log "info: ipvs_sync$YANG down"
> fi
>
> - run_ipvsadm --start-daemon $YING --mcast-interface=$IFACE || return $?
> + run_ipvsadm --start-daemon $YING --mcast-interface=$IFACE
> --syncid=$SYNCID || return $?
>
> ha_log "info: ipvs_sync$YING up"
> return 0
> @@ -157,8 +158,7 @@
> echo -e $USAGE >&2
> }
>
> -if
> - [ $# -lt 2 -o $# -gt 3 ]
> +if [ $# -lt 2 -o $# -gt 4 ]
> then
> usage
> exit 1
> @@ -166,12 +166,19 @@
>
> PS=$(ps ax | grep " \[ipvs[ _]sync")
>
> -if [ $# -eq 3 ]
> +if [ $# -eq 4 ]
> +then
> + CMD=$4
> + SYNCID=$3
> + IFACE=$2
> +elif [ $# -eq 3 ]
> then
> CMD=$3
> + SYNCID=0
> IFACE=$2
> else
> CMD=$2
> + SYNCID=0
> IFACE=eth0
> fi
> _______________________________________________
> Please read the documentation before posting - it's available at:
> http://www.linuxvirtualserver.org/
>
> LinuxVirtualServer.org mailing list - lvs-users [at] LinuxVirtualServer
> Send requests to lvs-users-request [at] LinuxVirtualServer
> or go to http://lists.graemef.net/mailman/listinfo/lvs-users
_______________________________________________
Please read the documentation before posting - it's available at:
http://www.linuxvirtualserver.org/
LinuxVirtualServer.org mailing list - lvs-users [at] LinuxVirtualServer
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