heartbeat, drbd init scripts and chkconfig

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On Fri, 2006-04-07 at 13:17 -0400, Nielsen, Steve wrote:
> Hi,
> 
> We are using the heartbeat and drbd packages from latest centos (4.3)
> extras repository.
> 
> Upon installation of both packages I noticed that if you "chkconfig
> heartbeat off" that will cause drbd to chkconfig'ed on. And visa versa.
> 
> After doing some trouble shooting it turns out the "BEGIN INIT INFO"
> sections appear to be the cause.
> 
> drbd has:
> 
> ### BEGIN INIT INFO
> # Provides: drbd
> # Required-Start: $network $syslog sshd
> # Required-Stop:
> # Default-Start:  3 5
> # Default-Stop:   0 1 2 6
> # Description:    Control drbd resources.
> ### END INIT INFO
> 
> heartbeat has:
> 
> ### BEGIN INIT INFO
> # Description: heartbeat is a basic high-availability subsystem.
> # It will start services at initialization, and when machines go up
> # or down.  This version will also perform IP address takeover using
> # gratuitous ARPs.  It works correctly for a 2-node configuration,
> # and is extensible to larger configurations.
> #
> # It implements the following kinds of heartbeats:
> #   - Bidirectional Serial Rings ("raw" serial ports)
> #   - UDP/IP broadcast (ethernet, etc)
> #   - UDP/IP multicast (ethernet, etc)
> #   - Unicast heartbeats
> #   - "ping" heartbeats (for routers, switches, etc.)
> #     (to be used for breaking ties in 2-node systems
> #    and monitoring networking availability)
> #
> # Short-Description: High-availability services.
> # Required-Start: $network $time $syslog
> # Required-Stop: $network $time $syslog
> # Default-Start: 3 5
> # Default-Stop: 0 6
> ### END INIT INFO
> 
> Is this a bug in how chkconfig handles the "INIT INFO" sections or the
> way its supposed to work? I don't see any reference to the other in the
> "INIT INFO" sections so I would not think its supposed to work this way.
> 
> Can someone offer some clarification ?
> 
> To re-create this problem just install the 2 packages (heartbeat and
> drbd) then chkconfig off one and chkconfig list both services.

I just did this w/ CentOS-4.2 and everything worked exactly as expected.
I am not ready to upgrade this machine to 4.3 yet ... so let me try this
on a test machine.


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