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Full Discussion: sendmail/ntp/qdaemon not starting automaticlly after reboot ?!
Operating Systems AIX sendmail/ntp/qdaemon not starting automaticlly after reboot ?! Post 302268662 by shockneck on Tuesday 16th of December 2008 05:21:47 AM
Old 12-16-2008
Quote:
Originally Posted by art
So if HACMP changes the level from 2 to a is it OK to change it back to 2 ?[...]
rctcpip:a:wait:/etc/rc.tcpip > /dev/console 2>&1 # Start TCP/IP daemons
I would not recommend that.... The reason for this change of the startup procedure is that HACMP does not know whether an IP address that is necessary for operation is available after reboot. It would be possible to start the cluster with addresses that are used for heartbeat only and without a proper network connection the daemons might fail or at least fill your logs with all sorts of errors. So what you could do is make sure that the cluster nodes have a suitable active and routeable IP even while HACMP is not started e.g. as a persistant address. Then you can either start daemons separately from inittab or (if there are too many daemons you need) from a separate rc file which again could be called from inittab at runlevel 2. You should not however change the rc.tcpip as trying to start a daemon twice does not result in problems usually while it might turn out to be a problem if the clusters misses a daemon it expects to have started itself. You must not change an inittab entry from runlevel a back to runlevel 2. That would be very bad administration practice (and btw might be reversed by the cluster occasionally without giving notice).
 

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LEARN ABOUT HPUX

cmrunnode

cmrunnode(1m)															     cmrunnode(1m)

NAME

       cmrunnode - run a node in a high availability cluster

SYNOPSIS

       cmrunnode [-v] [node_name...]  [-t | -w none]

DESCRIPTION

       cmrunnode  causes  a node to start its cluster daemon to join the existing cluster.  This command verifies the network configuration before
       causing the node to start its cluster daemon.

       To start a cluster on one of its nodes, a user must either be superuser(UID=0), or have an access policy of FULL_ADMIN allowed in the clus-
       ter configuration file. See access policy in cmquerycl(1m).

       Starting  a node will not cause any active packages to be moved to the new node.  However, if a package is DOWN, has its switching enabled,
       and is able to run on the new node, that package will automatically run there.

       If node_name is not specified, the cluster daemon will be started on the local node and will join the existing cluster.

   Options
       cmrunnode supports the following options:

	      -v   Verbose output will be displayed.

	      -t   Test only. Provide an assessment of the package placement without affecting the current state of the nodes or packages. The	-w
		   option is not required with the -t option as -t does not validate network connectivity, but assumes that all the nodes can meet
		   any external dependencies such as EMS resources, package subnets, and storage.

	      node_name...
		   Start the cluster daemon on the specified node(s).

	      -w none
		   By default network probing is performed to check that the network connectivity is the same as when the cluster was  configured.
		   Any	anomalies are reported before the cluster daemons are started. The -w none option disables this probing. The option should
		   only be used if this network configuration is known to be correct from a recent check.

RETURN VALUE

       cmrunnode returns the following value:

	       0   Successful completion.
	       1   Command failed.

EXAMPLES

       Run the cluster daemon on the current node:

	      cmrunnode

       Run the cluster daemons on node1 and node2:

	      cmrunnode node1 node2

AUTHOR

       cmrunnode was developed by HP.

SEE ALSO

       cmquerycl(1m), cmhaltcl(1m), cmhaltnode(1m), cmruncl(1m), cmviewcl(1m), cmeval(1m).

						      Requires Optional Serviceguard Software					     cmrunnode(1m)
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