[Pacemaker] Corosync or Hearbeat or both ? (Re: Pacemaker Digest, Vol 40, Issue 67)

[Raoul Bhatia [IPAX]]

On 03/23/2011 05:00 PM, José Pablo Méndez Soto wrote:
> Thank you Raoul,
> 
> It sounds to me then, as if Heartbeat was actually a remnant of old
> days. Is there something Hearbeat does that Corosync can't? Why would I
> install Heartbeat along Corosync? As you said, they are both "the
> messaging layer".

if you use corosync + pacemaker, there is no need for heartbeat.
(except for some libs - but this should correctly be handled via
dependencies)

e.g. my debian lenny box (with packages from backports):
> # dpkg -l| egrep "corosync|heartbeat|pacemaker|stonith|cluster"
> ii  cluster-agents     1:1.0.3-3~bpo50+1          The reusable cluster components for Linux HA
> ii  cluster-glue       1.0.6-1~bpo50+1            The reusable cluster components for Linux HA
> ii  corosync           1.2.1-1~bpo50+1            Standards-based cluster framework (daemon an
> ii  libcluster-glue    1.0.6-1~bpo50+1            The reusable cluster components for Linux HA
> ii  libcorosync4       1.2.1-1~bpo50+1            Standards-based cluster framework (libraries
> ii  libheartbeat2      1:3.0.3-2~bpo50+1          Subsystem for High-Availability Linux (libra
> ii  pacemaker          1.0.9.1+hg15626-1~bpo50+1  HA cluster resource manager

cheers,
raoul
-- 
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DI (FH) Raoul Bhatia M.Sc.          email.          r.bhatia at ipax.at
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