[Linux-cluster] Network hiccup + power-fencing = both nodes go down (redhat cluster 4)

[Jeff Harr]

I thought about a crossover cable :)  But I think that, these being
blade servers, there's no connection in the back for that.  I could be
wrong though - I just don't have the hardware around to look at right
this second (its in a datacenter).

One thing on the heartbeats: the message log says "missed too many
heartbeats".  Off-hand, do you know where the number of heartbeats is
configured?

Thanks,
Jeff

-----Original Message-----
From: linux-cluster-bounces at redhat.com
[mailto:linux-cluster-bounces at redhat.com] On Behalf Of
gwood at dragonhold.org
Sent: Tuesday, January 17, 2006 6:52 AM
To: linux clustering
Subject: Re: [Linux-cluster] Network hiccup + power-fencing = both nodes
go down (redhat cluster 4)

I think your best answer is to change your heartbeat configuration.

The fact that a single 'hiccup' can cause them to lose connectivity is
not
a good thing - you are probably best using a crossover cable if
possible,
rather than using the switched lan.

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