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Full Discussion: LAMP Server Failover
Top Forums UNIX for Advanced & Expert Users LAMP Server Failover Post 302223042 by jim mcnamara on Friday 8th of August 2008 07:53:10 AM
Old 08-08-2008
Solutions like Linux Heartbeat can do the job, too.

Our setup involves 150+ RH boxes. This is not just LAMP webservers but all of the MySQL apps servers - we are on a SAN so failing over for several unrelated apps can be relegated to one server, since if all the servers servers failed at once we would be in disaster mode, failing to a remote site.

You must have an I/O problem with your setup - relegating reads ands writes to separate boxes.
 

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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)
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