lagtime issue Post: 302263562

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Top Forums Shell Programming and Scripting lagtime issue Post 302263562 by Navatha on Tuesday 2nd of December 2008 12:51:56 AM

12-02-2008

Registered User

Quote:

Originally Posted by Navatha

Hi all,

Need your help in the following issue :

I have a script which does the calling of some packages:
All the packages that need to be called are wriiten into a inputfile
Also there are more than one package with the same sequence number.

so in my script I start the packages with the same seq num at the same time by running in the backgroud and also until the previous seq is executed the next seq wont be picked up...
once the packages are called the first thing they do is populating the
time in a table when the package is called for execution...
from observation I can see that the theres a difference in time when shell has started the package execution and the time populated in the table(considerably in sec .....5-8 sec)

Also....sometimes all the packages with the same seq number are not populated with the same timestamp upon the execution(all packages with the same seq num are executed in the background simulatneously )...

So my overall cycle time is affected as half of the time is wasted in the lag time ...

Can anyone suggest why theres is a considerable lag in calling of packages and the best possible solution to avoid this lag ?

Thanks in anticipation ,

Regards
Navatha

please can ayone let me know why the same timestamp is not populating....

Navatha

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LEARN ABOUT HPUX

cmhaltnode

cmhaltnode(1m)															    cmhaltnode(1m)

NAME

       cmhaltnode - halt a node in a high availability cluster

SYNOPSIS

       cmhaltnode [-f] [-v] [-t] [node_name...]

DESCRIPTION

       cmhaltnode causes a node to halt its cluster daemon and remove itself from the existing cluster.

       To halt cluster on the node, a user must either be superuser(UID=0), or have an access policy of FULL_ADMIN allowed in the cluster configu-
       ration file. See access policy in cmquerycl.

       When cmhaltnode is run on a node, the cluster daemon is halted and, optionally, all packages that were running on that node  are  moved	to
       other nodes if possible.

       If node_name is not specified, the cluster daemon running on the local node will be halted and removed from the existing cluster.

       If  you issue this command while a cluster is still in the process of forming, the command will fail with the message "Unable to connect to
       daemon."  If this happens, wait for the cluster to form successfully, then issue the command again.

   Options
       cmhaltnode supports the following options:

	      -f	Force the node to halt even if there are packages or group members running on it.  The group members on the node  will	be
			terminated.   The halt scripts for all packages running on the node will be run; based on priority or dependency relation-
			ships, this may affect packages on other nodes. In other words, packages on other nodes may either start or halt based	on
			this  package halting.	If the package configuration and current cluster membership permit, and if the package halt script
			succeeds, the packages will be started on other nodes.	Without this option, if packages are running on  the  given  node,
			the command will fail.	If a package fails to halt, the node halt will also fail.

	      -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.
			This option validates the node's eligibility with respect to the package dependencies as well as the external dependencies
			such as EMS resources, package subnets, and storage before predicting any package placement decisions. If there is a pack-
			age in maintenance mode running on the nodes being halted, the package will always be halted and not failover  to  another
			node; the report will not display an assessment for that package.

	      node_name...
			The name of the node(s) to halt.

RETURN VALUE

       cmhaltnode returns the following value:

	       0   Successful completion.
	       1   Command failed.

EXAMPLES

       Halt the cluster daemon on two other nodes:

	      cmhaltnode node2 node3

AUTHOR

       cmhaltnode was developed by HP.

SEE ALSO

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

						      Requires Optional Serviceguard Software					    cmhaltnode(1m)