Running scandisks command in remote nodes

Grid Infrstructure version: 11.2.0.4
Platform :Oracle Linux 6.4
We have a 3-Node production RAC cluster . We have created a 3-Node test RAC cluster for cloning purposes
We are automating the SAN level cloning from production to test. After the Hitachi guys take a snapshot of diskgroup LUNs from production they present the LUNs to the test RAC cluster. At test the cluster we need to do the following to do the cloning
Step1. In Node1, run
/etc/init.d/oracleasm scandisks
Step2. In Node2 run
/etc/init.d/oracleasm scandisks
Step3. In Node3 , run
/etc/init.d/oracleasm scandisks
Step4.
srvctl start diskgroup -g <dg_name> -n Node1
srvctl start diskgroup -g <dg_name> -n Node2
srvctl start diskgroup -g <dg_name> -n Node3
Step5. Finally, Start the database start the database in test cluster using
srvctl start database -d MANHPRD
From a shell script, I would like to run the above Step1,2 and 3 from Node1 in a sequential order as shown above . How can I do this ? I am not worried about Step4 and 5 as it can be run from any nodes.

Hello Page,
why not use ssh? very simple
from node 1:
ssh root@node2 /etc/init.d/oracleasm scandisks
take note of Dude! comment
edited: take a look at Tobi&#39;s Oracle DBA &amp; UNIX Blog: Cloning ASM Diskgroup to Create Database Clone

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File "<console>", line 1, in ?
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=====
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=========
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1.Defined local gateway. http://<My-Machine A>:/PSIGW/PeopleSoftListeningConnector. When I ping it from Gateway page, it shows it is active.
2.On the Node page made sure ‘PSFT_HR’ node is default and active. Specified the default user Id as ‘PTINT’ the common User id created by cloning ‘PS’. On the ‘Connectors’ tab Gateway ID is ‘LOCAL’ and connector id is ‘PSFTTARGET’. From the ‘Connectors’ tab clicked on ‘Ping Node’ button for PSFT_HR node and it was pinged successfully.
3.On Gateway Properties page, defined "APP Server URL" as '<Machine Name A>:9000', user Id/pwd as ‘PTINT’ and tool release as ‘8.50’.
4.Defined PSFT_TRN node, with "APP Server URL" as ‘<Machine Name B>:9000', user Id/pwd as ‘PTINT’ and tool release as ‘8.50’. When I ping this node, the following message is displayed:
“PeopleSoftTargetConnector - The application server is down (or not responding). Check AppServer URL.”
Basically, I am unable to ping remote node on both systems. Local node ping successfully on both systems.
Has any one encountered similar problem and found a solution?
Thanks
Raj
Edited by: 865522 on Jun 13, 2011 2:18 PM

Yes, I could ping both machines from each other.
Here is the host file contents from Windows 7:
127.0.0.1 localhost
::1 localhost
127.0.0.1 activate.adobe.com
192.168.1.106 RAJ-PC
Here is from Window 2003 server:
127.0.0.1 localhost
192.168.1.100 saroja
Both nodes are listed under PeopleTools>Security Objects> Single Signon
Both nodes are secured with userid/pwd on Node page.
One of my machine had fire wall on, so I swtiched the fire wall off. Now machine A can ping both nodes but machine B can ping only local node. Pinging remote node displays "User name not defined in database".
Raj
Edited by: Raj on Jun 13, 2011 11:37 PM

Not able to create Oracle External Procedure to Run Host Commands

Trying to follow this article
http://timarcher.com/node/9
Its related to
Oracle External Procedure to Run Host Commands
steps
1)mkdir –p /u01/app/usfapp/oracle_external_procs/oracle_host
2)
Author is suggesting to create a file
but header file is missing in very first line... may be not sure..say it is <stdio.h>Create a file named oracle_host.c. The contents of this file will be:
#include
int RunCmd(char *cmd)
return(system(cmd));
4) Create the file named makefile. The contents of this file will be:
oracle_host: oracle_host.o
gcc -shared -o oracle_host.so oracle_host.o
$ cat makefile
oracle_host: oracle_host.o
gcc -shared -o oracle_host.so oracle_host.o
5)
Now run the command make
The output on my server looks like:
[u01/app/usfapp/oracle_external_procs/oracle_host]
banner@usfbannerte [TRNG] > make
gcc -shared -o oracle_host.so oracle_host.o
here I stuck .. Not able to run this step ]$ make
gcc -shared -o oracle_host.so oracle_host.o
/usr/bin/ld: oracle_host.o: relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC
oracle_host.o: could not read symbols: Bad value
collect2: ld returned 1 exit status
make: *** [oracle_host] Error 1
Any one has any idea what went wrong
Any other link related to this is most welcomed.
Please suggest ...

hi
please update
or
provide any other link / document for
Oracle External Procedure to Run Host Commands
--using c
Thanks in advance.

DBCA does not show the remote nodes on a RAC 10.2.0.2 HP-ITANIUM

HI at all,
I have a problem and I hope someone can help me.
A collegue have installed CRS and the Oracle HOME for a RAC 10.2.0.2 on a HP-ITANIUM ( two nodes) .
Im'm using the dbca for creating a cluster database.
I can see the RAC option pages , but in the "select nodes page" I found only the local node and not the remote node.
Any suggestion is appreciated
thank you
Adriano
$ crs_stat
NAME=ora.itmicz50.LISTENER_ITMICZ50.lsnr
TYPE=application
TARGET=ONLINE
STATE=ONLINE on itmicz50
NAME=ora.itmicz50.gsd
TYPE=application
TARGET=ONLINE
STATE=ONLINE on itmicz50
NAME=ora.itmicz50.ons
TYPE=application
TARGET=ONLINE
STATE=ONLINE on itmicz50
NAME=ora.itmicz50.vip
TYPE=application
TARGET=ONLINE
STATE=ONLINE on itmicz50
NAME=ora.itmicz51.LISTENER_ITMICZ51.lsnr
TYPE=application
TARGET=ONLINE
STATE=ONLINE on itmicz51
NAME=ora.itmicz51.gsd
TYPE=application
TARGET=ONLINE
STATE=ONLINE on itmicz51
NAME=ora.itmicz51.ons
TYPE=application
TARGET=ONLINE
STATE=ONLINE on itmicz51
NAME=ora.itmicz51.vip
TYPE=application
TARGET=ONLINE
STATE=ONLINE on itmicz51
and the olsnodes command :
$ olsnodes
itmicz50
itmicz51
Message was edited by:
user549224
null

HI Chandra,
thank you very much for your reply. I suppose the oraInventory is the same, however the contents of inventory.xml file is this:
<?xml version="1.0" standalone="yes" ?>


<INVENTORY>
<VERSION_INFO>
<SAVED_WITH>10.2.0.1.0</SAVED_WITH>
<MINIMUM_VER>2.1.0.6.0</MINIMUM_VER>
</VERSION_INFO>
<HOME_LIST>
<HOME NAME="OUIHome1" LOC="/work/app/oracle/product/CRS" TYPE="O" IDX="1" CRS="true">
<NODE_LIST>
<NODE NAME="itmicz50"/>
<NODE NAME="itmicz51"/>
</NODE_LIST>
</HOME>
<HOME NAME="OUIHome2" LOC="/work/app/oracle/product/RAC10g" TYPE="O" IDX="2">
<NODE_LIST>
<NODE NAME="itmicz50"/> <===== EVIDENCE
</NODE_LIST>
</HOME>
</HOME_LIST>
</INVENTORY>
I can see that within the node_list tag I have only one hostname It is correct?
thank you in advance
Adriano Capruzzi

Ways to run dir command in Process and get Output

Hello,
In one of the control in our web application, User can select any directory from his work area and can get list of directories and content of directories i.e. list of files. As working on file object is really slow so the performance is extremely poor. I am thinking of using Process object and run dir command for any directory selected by user and show the directory listing to user.
Do you guys think it would be possible

Its always good to work with IO buffer than low level file api. That should be irrelevant to the question as asked (if not then there might be other problems.)This is no way irrelevant but its a fact. Working with Java File api to traverse the content of the directory is really painful. Because we currently use file api to help user to traverse thru her work area.
BTW, there are two servers. One running the app and the other have all users work areas. User can traverse the workareas content by using something \\server1\workarea1\user1\folder1 etc... in the app to see the content of any folder.A "server" in this context would be an "application" such as something like tomcat. Your client would then ask the "server" for information.
In your case you are dealing with another file system via the windows remote file system access. So per my question it is not another "server".A server is what providing service to a client and in our case its a app server with a web app in it. The users use the web app to manage their work area(which is another file server).
The app server and file server and physically two separate machines.
So again, I am back to my first question, how can run dir command using Process object and get the buffer.
Till now, I have done this
ProcessBuilder pb = new ProcessBuilder("cmd", "dir", "c:/");
        pb.directory( new File("C:/temp")); // Or whatever directory you want for cwd
        Map<String,String> env = pb.environment();
        env.put("PATH", "C:/temp");
        try {
             Process process = pb.start();
               InputStream inStream = process.getInputStream();
               new AsyncPipe(process.getErrorStream(), System.out).start();
             new AsyncPipe(process.getInputStream(), System.out).start();
             final int returnCode = process.waitFor();
             System.out.println("Return code is " + returnCode);
               System.out.println("\nExit value = " + inStream + "\n");
          } catch (Exception e) {
               e.printStackTrace();
          }However it simply opens command prompt

Running scandisks command in remote nodes

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