Clustering Red Hat Enterprise linux Advanced Platform 5.2 (x86-64 bit) Post: 302301486

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Operating Systems Linux Red Hat Clustering Red Hat Enterprise linux Advanced Platform 5.2 (x86-64 bit) Post 302301486 by kgayyar on Friday 27th of March 2009 03:13:14 AM

03-27-2009

Registered User

Clustering Red Hat Enterprise linux Advanced Platform 5.2 (x86-64 bit)

Hello Professionals,

We have high-end HP rack servers. We need to provide application fail-over for business continuity.

We have done benchmarking of the application on RHEL 5.2 on HP servers to estimate the hardware requirement so as to meet next 3-5 years business growth.

Presently we have installed RHELAP 5.2 OS and cluster suite on all servers. Now while adding members for setting up fencing, we are facing following scenario.

1. On any one of the two servers, we see that the local server is active but the other server is shown as "Not a member".

2. Shutting down of one of the node is resulting into shutting of other server also. Whereas clustering concept is actually reverse of this.

We are using ILO port as a fencing device to achieve clustering.

ON discussions, we were told that we can do clustering over RHELAP 5.2 only using advanced ILO which is generally used for remote administration of servers. Secondly it involves licensing costs also for my organization.

Whereas the clustering is normally achieved by setting heartbeats over ethernet.

I would request you to suggest me any other alternate way to achieve this.

An early resolution would be highly appreciated.

KG

kgayyar

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rackup

RACKUP(1)																 RACKUP(1)

NAME

       rackup

       rackup(1) -- An utility for run Rack-based applications

SYNOPSIS

       rackup [ruby options] [rack options] [rackup config]

DESCRIPTION

       Rackup  is  a useful tool for running Rack applications, which uses the Rack::Builder DSL to configure middleware and build up applications
       easily.

       rackup automatically figures out the environment it is run in, and runs your application as FastCGI, CGI, or  standalone  with  Mongrel	or
       WEBrick -all from the same configuration.

OPTIONS

       Ruby options:

       -e, --eval [LINE]
	      evaluate a LINE of code

       -d, --debug
	      set debugging flags (set $DEBUG to true)

       -w, --warn
	      turn warnings on for your script

       -I, --include [PATH]
	      specify $LOAD_PATH (may be used more than once)

       -r, --require [LIBRARY]
	      require the library, before executing your script

       Rack options:

       -s, --server [SERVER]
	      serve using SERVER (webrick/mongrel)

       -o, --host [HOST]
	      listen on HOST (default: 0.0.0.0)

       -p, --port [PORT]
	      use PORT (default: 9292)

       -E, --env [ENVIRONMENT]
	      use ENVIRONMENT for defaults (default: development)

       -D, --daemonize
	      run daemonized in the background

       -P, --pid [FILE]
	      file to store PID (default: rack.pid)

       Common options:

       -h, --help
	      Show the help message

       --version
	      Show version

EXAMPLES

       This is a simple example on how to start an application based on Rack with rackup:

       $ rackup -Ilib blog/config.ru

       [2010-12-10 15:01:11] INFO WEBrick 1.3.1

       [2010-12-10 15:01:11] INFO ruby 1.9.2 (2010-08-18) [x86_64-linux]

       [2010-12-10 15:01:11] INFO WEBrick::HTTPServer#start: pid=4496 port=9292

AUTHORS

       Copyright (C) 2007, 2008, 2009, 2010 Christian Neukirchen <http://purl.org/net/chneukirchen>

       For a complete list of authors and contributors to the project, please take a look here https://github.com/rack/rack/contributors

       This manual page was written by Ermenegildo Fiorito fiorito.g@gmail.com for the Debian Project

SEE ALSO

       ruby(1) http://rack.rubyforge.org

								   December 2010							 RACKUP(1)