Thank you for very complete answer.
Can you please let me know that if we create a developer domain and use
--port and --host parameters, what is its usage?
in developer domain there is no DAS to communicate with so, these two
parameters are ignored?
Also, What can be possible use of executing create-jdbc-connection-pool
on a cluster member machine and then use --port and --host to send the
command to the DAS, will DAS create this connection pool on all members
of the cluster?
Thank you .
Sankar Neelakandan wrote:
>
>
> Legolas Woodland wrote:
>>
>> Hi, Thank you for the answer.
>>
>> Please correct me about the following statement:
>>
>> Usually all asadmin commands take a host and port parameters, but
>> they are the address of the application server which we like that the
>> command affect them. for example if i execute
>> "create-jdbc-connection-pool --host 192.65.36.69
>> <http://192.65.36.69> --port 8989 ...."then it will create the
>> connection pool on the server which is running on the remote computer,
>>
>
> Wherever the application server is installed(even locally), the --host
> and --port will be used to communicate to the DAS. If the application
> server is installed locally and the DAS port is 4848 then you donot
> need to mention the --host and --port. By default --host is localhost
> and --port will be whatever set in install/config/asadminenv.conf (by
> default it is set to 4848). So even in local machine asadmin will use
> the --host --port parameters to talk to DAS. If you mention
> --echo=true in any command you will see the list of parameters being
> passed to asadmin.
>
> Since create-jdbc-connection-pool is a operation that has to be
> performed by the DAS the --host and --port will be immediately used by
> the asadmin to talk to DAS and hence it becomes a remote command. So a
> command becomes remote or local based on whether it needs to talk to
> DAS. If it needs to talk to DAS it becomes remote, if not it is a
> local command.
>
>> but now on my local host glassfish server, Am I correct about the
>> statement?
>>
>> It is different for the create-node-agent command, because --port and
>> --host point to the DAS address instead of the address of the
>> application server which we want to create a node agent for it. <==
>> Is it correct?
>>
> In create-node-agent command --host & --port is supplied to tell the
> node agent whom it needs to talk to when it starts up. The --port and
> --host will not be used right away, hence it is a local command since
> it is not communicating with the DAS when the command is executed.
>>
>> "generally we have two tyes of asadmin commands, remote commands and
>> local commands." If it is correct, what commands are remote and what
>> commands are local?
>>
> The command manpage will tell whether a command is local or remote, in
> V3 the asadmin list-commands will list local and remote commands
> separately.
>>
>> Thank you.
>>
>>
>> On 6/16/08, *Sankar Neelakandan* <Sankar.Neelakandan_at_sun.com
>> <mailto:Sankar.Neelakandan_at_sun.com>> wrote:
>>
>> Hi Legolas,
>> When you create nodeagent you mention --host and --port
>> parameters to the asadmin command which will be used to
>> communicate to DAS.
>>
>> asadmin create-node-agent --host ipaddress_or_hostname --port
>> das_port_number node_agent_name
>>
>> -Sankar
>>
>>
>> Legolas Woodland wrote:
>>>
>>> Hi Wolfram,
>>>
>>> Can you please tell me how does NA understand the IP address of
>>> the DAS?
>>>
>>> Should we tell it the DAS address beforehead?
>>>
>>> Thanks
>>>
>>>
>>> On 6/16/08, *Wolfram Rittmeyer* <w.rittmeyer_at_jsptutorial.org
>>> <mailto:w.rittmeyer_at_jsptutorial.org>> wrote:
>>>
>>> Hi Legolas,
>>>
>>> actually it is the node agent who notifies the DAS of its
>>> creation. If the DAS is down at the time of creation the NA
>>> retries periodically until the intial contact has taken place.
>>>
>>>
>>> --
>>> Wolfram Rittmeyer
>>>
>>>
>>>
>>> Legolas wood wrote:
>>>
>>> Hi
>>> Thank you for reading my post.
>>> Can someone please explain how does DAS find out that we
>>> create a
>>> node-agent in one of our computers in the network?
>>> should we introduce the node agent to the DAS or there
>>> are some
>>> discovery mechanism in place?
>>>
>>> Thanks
>>>
>>>
>>>
>>>
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>>
>