Understanding Heartbeat's State
alanr at unix.sh
Fri Feb 9 00:05:38 MST 2001
Tony Willoughby wrote:
> I'm looking for the best way to obtain the state of heartbeat.
> Here's why: I use heartbeat in a system with two redundant cards
> (running Red Hat 6.1).
> The system has a CLI that will allow one to control heartbeat. I'd like
> to have a CLI command that initiates a failover between these cards.
> But, that CLI command should fail (not do the failover) if the primary
> has not heard from the secondary (say it's not booted or not installed).
> It seems I could do something with set_nstatus_callback(), but this
> seems a little heavy for what I need.
Actually, you *don't* want set_nstatus_callback unless your code is
continually running. If it is initiated from the command line, and goes
away after it does it's job, you want to call node_status() instead.
> Is there a way to learn the status of heartbeat through /proc or
-- Alan Robertson
alanr at suse.com
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