On Thursday 17 February 2011 14:47:33 Carlos G Mendioroz wrote: > Brett Delle Grazie @ 17/02/2011 10:24 -0300 dixit: > > Hi, > > > > On 17 February 2011 12:58, Carlos G Mendioroz <[email protected]> wrote: > >> Hi, > >> I've found that ipaddr2 can use clusterip when running as clone. > >> (please correct me if I use some word in a not correct way, > >> denoting I fail to get some concept) > >> > >> But my understanding is that clusterip might be beneficial also > >> in the active/standby case because of its use of a single mac > >> address. > > > > Not really - its simpler (networking wise) and safer to use floating > > IP addresses for standard HA. Otherwise all traffic is being > > duplicated to both nodes which ties up bandwidth unnecessarily - > > that's the major > > downside to ClusterIP. > > I guess it's a design issue, so it depends. > I've seen the bandwidth argument, but this applies only to, in my case, > to requests going to a server. BW is very low in this direction. > I'm trying to get a fast failover (subsecond). I don't like gratuitous > ARP that much.
Use a real loadbalancer if you want to make both servers active. See: www.linuxvirtualserver.org. Greetings, -- Dr. Michael Schwartzkopff Guardinistr. 63 81375 München Tel: (0163) 172 50 98
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