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Full Discussion: AIX monitoring tools for graphical output
Special Forums UNIX and Linux Applications Infrastructure Monitoring AIX monitoring tools for graphical output Post 302472059 by bakunin on Tuesday 16th of November 2010 07:00:54 AM
Old 11-16-2010
Probably your simplest option would be to write a small script.

To monitor the processes use the "ps" command, like in the following script sketch:

Code:
while : ; do
     if [ $(ps -fe | grep "<processname>" | wc -l) -le <minimum_nr_plus_1> ] ; then
          show_error "Not all processes seem to run."
     fi
     sleep <nr_of_seconds>
done

To monitor the memory is more tricky: (almost) all otherwise unused memory is used by the OS for caching purposes, so monitoring "free memory" is completely useless - you get constantly "nearly all memory used" as a result, regardless of how much memory is in fact used by applications.


If you are not interested in exact memory consumption, but only in avoiding paging you could monitor the utilization of the paging space(s) by "lsps -a":

Code:
while : ; do
     if [ $(lsps -s | sed '1d;s/^.*\([0-9][0-9]*\)%.*$/\1/') -gt <threshold_value>] ; then
          show_error "Paging space utilization exceeded."
     sleep <nr_of_seconds>
done

Tomcat is an application and could be monitored like any other process (see above)

Monitoring network connectivity is relatively easy, but with a catch: if the network connection goes down the machine has usually no way of advertising this fact. The best solution is to monitor the system from another host, like in the following sketch:

Code:
while : ; do
     if [ $(ping -c1 <host_to_monitor1>; echo $?) -gt 0 ] ; then
          show_error "Cannot reach <host_to_monitor1>"
     fi
     if [ $(ping -c1 <host_to_monitor2>; echo $?) -gt 0 ] ; then
          show_error "Cannot reach <host_to_monitor2>"
     fi
     [ ...]
     sleep <nr_of_seconds>
done

I hope this helps.

bakunin
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LEARN ABOUT SUNOS

ping-connection-pool

asadmin-ping-connection-pool(1AS)				   User Commands				 asadmin-ping-connection-pool(1AS)

NAME

       asadmin-ping-connection-pool, ping-connection-pool - tests that a connection pool is usable

SYNOPSIS

       ping-connection-pool --user admin_user [--password admin_password] [--host localhost] [--port 4848] [--secure|-s] [--passwordfile filename]
       [--terse=false] [--echo=false] [--interactive=true] pool_name

       Tests that a connection pool is usable for both JDBC connection pools and connector connection pools. For example, if you create a new JDBC
       connection  pool for use with an application that is expected to be deployed, before deploying the application, the previously created pool
       is tested with this command.

       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.

OPERANDS

       poolname 	       name of the connection pool to be tested.

       Example 1: Using ping-connection-pool

       Before you can ping a connection pool, you must:

	 o  Create a connection pool with authentication.

	 o  Make sure the Enterprise Information Server (can be the database) is started.

       asadmin> ping-connection-pool --user admin1 --password adminadmin1
       --host pigeon --port 5001 sampleConnectionPool
       Command ping-connection-pool executed successfully

EXIT STATUS

       0		       command executed successfully

       1		       error in executing the command

       asadmin-create-connector-connection-pool(1AS),  asadmin-delete-connector-connection-pool(1AS), asadmin-list-connector-connection-pool(1AS),
       asadmin-create-jdbc-connection-pool(1AS), asadmin-delete--jdbc-connection-pool(1AS)asadmin- list--jdbc-connection-pools(1AS)

J2EE 1.4 SDK							    March 2004					 asadmin-ping-connection-pool(1AS)
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