RE: mcast-interface

Very interesting!

I currently have the following line in my apt/sources.list:
deb http://www.ultramonkey.org/download/3/ sarge main 
Which gives me 1.2.3.cvs.20050404-1.0um.1
Is 1.2.3.cvs.20050927 significantly different? I did notice that I had
to edit the LVSSyncDaemonSwap script in my current version in order to
handle --stop-daemon= command syntax correctly.

If I start both master and backup daemons on boot as you suggest, Should
I remove the LVSSyncDaemonSwap line from my haresources file and create
an ipvsadm rc script that looks like this:?

ipvsadm --start-daemon master
ipvsadm --start-daemon backup


Thanks,
-Jake


> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Horms
> Sent: Thursday, October 20, 2005 10:08 PM
> To: [email protected]
> Subject: Re: mcast-interface
> 
> On Thu, Oct 20, 2005 at 01:25:58PM -0400, Davis, Jacob wrote:
> > Hello,
> > 
> > I'm setting up my first LVS HA, load balancing cluster and 
> my question 
> > is about assigning an interface for use by the ipvs_sync 
> daemon. I can 
> > see from the ipvsadm man page that you can pass the 
> --mcast-interface 
> > option on the command line but how should one handle this 
> when it is 
> > started by heartbeat? I contemplated editing the LVSSyncDaemonSwap 
> > resource script but thought there might be a better way.
> 
> LVSSyncDaemonSwap::master::eth1
> 
> Although, these days the kernel lets you run both the master 
> and backup sync daemon simultaneously. So my recommendation 
> is to start them both using ipvsadm at boot.
> 
> If you do want to use LVSSyncDaemonSwap, please use this version of
> heartbeat:
> 
> http://www.ultramonkey.org/download/heartbeat/1.2.3.cvs.20050927/
> 
> > Also, I'd like to know what the recommendation is for where 
> to put the 
> > sync traffic. Should it be on the same interface that is 
> used for the 
> > heartbeat broadcast (a private, crossover network in my 
> case), or is 
> > it better to put this traffic on the same interface that handles 
> > public traffic?
> 
> There shouldn't be much traffic, and its reasonably resistant 
> to packet-loss, so it shouldn't really matter much where you put it.
> 
> --
> Horms


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