Cluster a custom application Post: 303034444

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Top Forums UNIX for Beginners Questions & Answers Cluster a custom application Post 303034444 by mhs on Friday 26th of April 2019 02:02:14 AM

04-26-2019

Registered User

Thanks for your reply.
I want to deploy application on physical servers and I cannot use virtualization and VM. Furthermore methods like Vmware FT has some limitations like max no of VCPU and also RAM.
I think it should be much easier if I can use pacemaker as a cluster resource manager but I dont know how to introduce my application as a resource and how to route all traffic to my primary server and when server or application goes down traffic and requests route to other node.

Unfortunately my application is not like a service. normally my application gathers information from different servers and sends them to another servers thus methods like loadbalancer is not suitable for my scenario.

*************(floating IP)************
| ***route all traffic on every port ***|
| ******************************************|
ServerA*************************** ServerB
(APP) **************************(Stopped App)

I need a floating IP for my cluster and when serverA goes down All traffic switch to ServerB( Input and Output) also cluster start Stopped application on serverB. And when ServerA backs online all requests (Input or Output ) route to ServerA and Stop App on ServerB.

mhs

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list-virtual-servers

asadmin-list-virtual-servers(1AS)				   User Commands				 asadmin-list-virtual-servers(1AS)

NAME

       asadmin-list-virtual-servers, list-virtual-servers - gets the virtual servers

SYNOPSIS

       list-virtual-servers --user admin_user [--password admin_password] [--host localhost] [--port 4848] [--secure|-s] [--passwordfile filename]
       [--terse=false] [--echo=false] [--interactive=true]

       Gets all the virtual server elements. This command is supported in remote mode only.

OPTIONS

       --user		       authorized domain application server administrative username.

       --password	       password to administer the domain application server.

       --host		       machine name where the domain application server is running.

       --port		       port number of the domain application server listening for administration requests.

       --secure 	       if true, uses SSL/TLS to communicate with the domain application server.

       --passwordfile	       file containing the domain application server password.

       --terse		       indicates that any output data must be very concise, typically avoiding human-friendly sentences and favoring well-
			       formatted data for consumption by a script. Default is false.

       --echo		       setting to true will echo the command line statement on the standard output. Default is false.

       --interactive	       if set to true (default), only the required password options are prompted.

       Example 1: Using list-virtual-servers

       asadmin> list-virtual-servers --user admin --password adminadmin
       --host localhost --port 4848
       Command list-virtual-servers executed successfully

EXIT STATUS

       0		       command executed successfully

       1		       error in executing the command

       asadmin-create-virtual-server(1AS), asadmin-delete-virtual-server(1AS)

J2EE 1.4 SDK							    March 2004					 asadmin-list-virtual-servers(1AS)