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Re: load balancer sending to the wrong real servers

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: load balancer sending to the wrong real servers
From: Horms <horms@xxxxxxxxxxxx>
Date: Tue, 14 Sep 2004 19:55:38 +0900
On Mon, Sep 13, 2004 at 12:37:30PM -0700, Peter Mueller wrote:
> > This one is really weird to me.  We've been using heartbeat and
> > ldirector with lvs for a few years now with relatively little problem.
> > Indeed there's been a lot of time where we haven't had to think about
> > it.
> 
> What version of heartbeat & ldirectord are you using?  Did ldirectord get
> sent signal HUP or restarted in some way?  If so, I have seen this behavior
> in an old version of ldirectord.  Grab the CVS version.  It might not be a
> bad idea anyway.  The latest versions are pretty good.  We are using
> 1.90-modified here.
> 
> >From 1.88 changelog
> (http://cvs.linux-ha.org/viewcvs/viewcvs.cgi/linux-ha/ldirectord/ldirectord):
> "Status checking of real servers was too primitive. This has been the root of
> a lot of bugs relating to realservers or fallback servers not being correctly
> added or removed in various circumstances. This patch adds a more
> sophisticated per virtual status check for real servers. Hopefully this is
> the way of the future"
> 
> The 1.2.0x heartbeat is also quite a bit better than 1.0.4 and previous
> versions.  You should upgrade.

IMHO the ldirectord in cvs (1.92) is in pretty good shape.
Certainly better than whichever version shipped with heartbeat 1.2.2.

-- 
Horms
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