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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LEARN ABOUT CENTOS

crm_report

1.1.10-29.EL7(8)					  System Administration Utilities					  1.1.10-29.EL7(8)

NAME

       1.1.10-29.el7 - Part of the Pacemaker cluster resource manager

SYNOPSIS

       crm_report -f "YYYY-M-D H:M:S" [-t "YYYY-M-D H:M:S"] [additional options] [dest]

DESCRIPTION

       crm_report - Create a tarball containing everything needed when reporting cluster problems

OPTIONS

       -V     increase verbosity

       -v,--version
	      software version

       --features
	      software features

       -f, --from time
	      time to start from: "YYYY-M-D H:M:S"  (do not forget the quotes)

       -t, --to time
	      time to finish at (default: now)

       -T, --cts test
	      CTS test or set of tests to extract

       --cts-log
	      CTS master logfile

       -n, --nodes nodes
	      node names for this cluster only needed if the cluster is not active on the current machine accepts both -n "a b" and -n a -n b

       -l, --logfile file
	      log file to collect, normally this will be determined automatically

       -p patt
	      additional regular expression to match variables to be removed (default: "passw.*")

       -L patt
	      additional regular expression to match in log files for analysis (default: CRIT: ERROR:)

       -M     collect only the logs specified by -l

       -S, --single-node
	      single node operation; don't try to start report collectors on other nodes

       -c, --cluster type
	      force the cluster type (corosync,openais,heartbeat,logmaster)

       -A, --openais
	      force the cluster type to be OpenAIS

       -C, --corosync
	      force the cluster type to be CoroSync

       -H, --heartbeat
	      force the cluster type to be Heartbeat

       -u, --user user
	      ssh username for cluster nodes (default: root)

       -D, --depth
	      search depth to use when attempting to locate files

       -e, --rsh
	      specify the remote shell to use (default: ssh -T)

       --dest a custom destination directory/file

       dest   a custom destination directory/file

EXAMPLES

	      crm_report  -f  "2011-12-14  13:05:00"  unexplained-apache-failure crm_report -f 2011-12-14 -t 2011-12-15 something-that-took-multi-
	      ple-days crm_report -f 13:05:00	-t 13:12:00   brief-outage

1.1.10-29.el7 - 368c726 					     June 2014							  1.1.10-29.EL7(8)