Building Linux cluster for mechanical engineering software Post: 302918897

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Special Forums UNIX and Linux Applications High Performance Computing Building Linux cluster for mechanical engineering software Post 302918897 by biro on Friday 26th of September 2014 04:51:01 AM

09-26-2014

Registered User

This answer I've been waiting, but please do not get me wrong, I'm thankful for that.

Of course I'm a beginner in this topic, because of that I try to carry Information about it.
I'm aware that there is no general statement to give, when I asked "how to build a cluster".
It don't have to be a cluster for thousands of people with just more than 500 nodes, just for institut (15 - 20 user). But before it can be built, used .... Someone have to inform. And this is my part. I'm searching for sources to inform, unfortunately there are less sources, respectively I don't find them.

My intention is to begin at point zero of the hpc-topic and then to make gradually steps to the wright direction. For that I have hardware to test to build a "little" cluster to get first experience.

The goal of the entire project is to decide, whether to built the needed cluster on my own. As always, the point is to save costs.

biro

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cmhaltcl

cmhaltcl(1m)															      cmhaltcl(1m)

NAME

       cmhaltcl - halt a high availability cluster

SYNOPSIS

       cmhaltcl [-f] [-v]

DESCRIPTION

       cmhaltcl  causes  all  nodes  in a configured cluster to stop their cluster daemons, optionally halting all packages or applications in the
       process.

       To stop a cluster, a user must either be superuser(UID=0), or have an access policy of FULL_ADMIN  allowed  in  the  cluster  configuration
       file. See access policy in cmquerycl(1).

       This  command  will  halt  all  the  daemons on all currently running systems.  If the user only wants to shutdown a subset of daemons, the
       cmhaltnode command should be used instead.

   Options
       cmhaltcl supports the following options:

	      -f   Force the cluster to shutdown even if packages or group members are currently running.  This will cause the packages and  group
		   members to be halted.  If a package halt fails, the cluster halt will also fail.

	      -v   Verbose output will be displayed.

RETURN VALUE

       cmhaltcl returns the following value:

	       0   Successful completion.
	       1   Command failed.

EXAMPLES

       Halt the cluster daemons:

	      cmhaltcl

AUTHOR

       cmhaltcl was developed by HP.

SEE ALSO

       cmquerycl(1m), cmhaltnode(1m), cmruncl(1m), cmrunnode(1m), cmviewcl(1m).

						      Requires Optional Serviceguard Software					      cmhaltcl(1m)