Running an external job at the specific node out of a 2 Node RAC database.

Hi. all.
I created a job , which runs an external script, by using dbms_scheduler.
Our database is 2 node RAC database(10.2.0.2.0).
The external script exists at a only one Node(Node 1).
select status,instance_id, additional_info
from dba_scheduler_job_run_details
where job_name='TEST_EXPORT_JOB'
shows that jobs which run on Node 2 failed.
Of course, the external script does not exist on Node 2.
I would like to force the job to ALWAYS run on Node 1.
How can I do that? Is there any ideas?
Locating the script on Node 2 is not the option.
Best and Regards.

Hi,
In the upcoming 11g release there is an easy solution for this - a new attribute instance_id for a job.
For 10g there is a workaround. Basically you create a service with just the one instance you want the job to run on. Then create a job class pointing to that service. Finally have your job be in the job class you just created.
If you create a service and job class per instance you can get jobs to run under whichever instance you want.
Hope this helps,
Ravi.

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Hi,
i would like to run an external job ( shell script ) in oracle scheduler using a Unix user id other than nobody and oracle. is it possible to do that? if so please provide more information. I am currently using oracle version 10.2.0.4.0

Sure,
no problem at all, if you have no problem with the fact that all jobs that run from your ORACLE_HOME use the same account. I would prefer to upgrade to 11.1.0.7 and use the new remote exteral jobs with credentials.
For oracle 10g you have to modify $ORACLE_HOME/rdbms/admin/externaljob.ora and change the run_user and run_group to what ever you want to use.
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Guide to External Jobs on 10g with dbms_scheduler e.g. scripts,batch files

GUIDE TO RUNNING EXTERNAL JOBS ON 10g WITH DBMS_SCHEDULER
NOTE: Users using 11g should use the new method of specifying a credential which eliminates many of the issues mentioned in this note.
This guide covers several common questions and problems encountered when using
dbms_scheduler to run external jobs, either on Windows or on UNIX.
What operating system (OS) user does the job run as ?
External jobs which have a credential (available in 11g) run as the user
specified in the credential. But for jobs without credentials including
all jobs in 10gR1 and 10gR2 there are several cases.
- On UNIX systems, in releases including and after 10.2.0.2 there is a file $ORACLE_HOME/rdbms/admin/externaljob.ora . All external jobs not in the SYS schema and with no credential run as the user and group specified in this file. This should be nobody:nobody by default.
- On UNIX systems, in releases prior to 10.2.0.2 there was no "externaljob.ora" file. In this case all external jobs not in the SYS schema and with no credential run as the owner and group of the $ORACLE_HOME/bin/extjob file which should be setuid and setgid. By default extjob is owned by nobody:nobody except for oracle-xe where it is owned by oracle:oraclegroup and is not setuid/setgid.
- On Windows, external jobs not in the SYS schema and with no credential run as the user that the OracleJobScheduler Windows service runs as. This service must be started before these jobs can run.
- In all releases on both Windows and UNIX systems, external jobs in the SYS schema without a credential run as the oracle user.
What errors are reported in SCHEDULERJOB_RUN_DETAILS views ?
If a job fails, the first place to look for diagnostic information is the SCHEDULERJOB_RUN_DETAILS set of views. In 10gR2 and up the first 200 characters of the standard error stream is included in the additional_info column.
In all releases, the error number returned by the job is converted into a
system error message (e.g. errno.h on UNIX or net helpmsg on Windows) and that
system error message is recorded in the additional info column. If there is no
corresponding message the number is displayed.
In 11g and up the error number returned by the job is additionally recorded in
the error# column. In earlier releases 27369 would always be recorded in the
error# column.
Generic Issues Applicable to UNIX and Windows
- The job action (script or executable) must return 0 or the job run will be marked as failed.
- Always use the full pathname to executables and scripts.
- Do not count on environment variables being set in your job. Make sure that the script or executable that your jobs runs sets all required environment variables including ORACLE_HOME, ORACLE_SID, PATH etc.
- It is not recommended to pass in a complete command line including arguments as the action. Instead it is recommended to pass in only the path to and name of the executable and to pass in arguments as job argument values.
- Scripts with special characters in the execution path or script name may give problems.
- Ensure that the OS user your job runs as has the required privileges/permissions to run your job. See above for how to tell who the job runs as.
- External job actions cannot contain redirection operators e.g. > < >> | && ||
- In general try getting a simple external job working first e.g. /bin/echo or ipconfig.exe on Windows. Also try running the job action directly from the commandline as the OS user that the job will run as.
Windows-specific Issues
- The OracleJobScheduler Windows service must be started before external jobs will run (except for jobs in the SYS schema and jobs with credentials).
- The user that the OracleJobScheduler Windows service runs as must have the "Log on as batch job" Windows privilege.
- A batch file (ending in .bat) cannot be called directly by the Scheduler. Instead cmd.exe must be used and the name of the batch file passed in as an argument. For example
begin
dbms_scheduler.create_job('myjob',
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dbms_scheduler.set_job_argument_value('myjob',1,'/q');
dbms_scheduler.set_job_argument_value('myjob',2,'/c');
dbms_scheduler.set_job_argument_value('myjob',3,'c:\temp\test.bat');
dbms_scheduler.enable('myjob');
end;
/- In 10gR1 external jobs that wrote to standard output or standard error streams would sometimes return errors. Redirect to files or suppress all output and error messages when using 10gR1 to run external jobs.
UNIX-specific Issues
- When running scripts, make sure that the executable bit is set.
- When running scripts directly, make sure that the first line of the script in a valid shebang line - starting with "#!" and containing the interpreter for the script.
- In release 10.2.0.1, jobs creating a large amount of standard error text may hang when running (this was fixed in the first 10.2.0.2 patchset). If you are seeing this issue, redirect standard error to a file in your job. This issue has been seen when running the expdp utility which may produce large amounts of standard error text.
- the user that the job runs as (see above section) must have execute access on $ORACLE_HOME/bin and all parent directories. If this is not the case the job may be reported as failed or hang in a running state. For example if your $ORACLE_HOME is /opt/oracle/db then you would have to make sure that
chmod a+rx /opt
chmod a+rx /opt/oracle
chmod a+rx /opt/oracle/db
chmod a+rx /opt/oracle/db/bin
- On oracle-xe, the primary group of your oracle user (if it exists) must be dba before you install oracle-xe for external jobs to work. If you have an oracle user from a regular Oracle installation it may have the primary group set to oinstall.
- On oracle-xe, the extjobo executable is missing so external jobs in the SYS schema will not work properly. This can be fixed by copying the extjob executable to extjobo in the same directory ($ORACLE_HOME/bin).
- Check that correct permissions are set for external job files - extjob and externaljob.ora (see below)
Correct permissions for extjob and externaljob.ora on UNIX
There is some confusion as to what correct permissions are for external job related files.
In 10gR1 and 10.2.0.1 :
- rdbms/admin/externaljob.ora should not exist
- bin/extjob should be setuid and setgid 6550 (r-sr-s---). It should be owned by the user that jobs should run as and by the group that jobs should run as.
- bin/extjobo should have normal 755 (rwxr-xr-x) permissions and be owned by oracle:oraclegroup
In 10.2.0.2 and higher
- rdbms/admin/externaljob.ora file must must be owned by root:oraclegroup and be writable only by the owner i.e. 644 (rw-r--r--) It must contain at least two lines: one specifying the run-user and one specifying the run-group.
- bin/extjob file must be also owned by root:oraclegroup but must be setuid i.e. 4750 (-rwsr-x---)
- bin/extjobo should have normal 755 (rwxr-xr-x) permissions and be owned by oracle:oraclegroup
In 11g and higher
Same as 10.2.0.2 but additionally bin/jssu should exist with root setuid
permissions i.e. owned by root:oraclegroup with 4750 (-rwsr-x---)
Internal Error numbers for UNIX on 10.2.0.2 or 10.1.0.6 or higher
If you are not using a credential and are using version 10.2.0.2 or higher or 10.1.0.6 or higher you may come across an internal error number. Here are the meanings for the internal error numbers.
274661 - can't get owner of or permissions of externaljob.ora file
274662 - not running as root or externaljob.ora file is writable by group or other or externaljob.ora file not owned by root (can't switch user)
274663 - setting the group or effective group failed
274664 - setting the user or effective user failed
274665 - a user or group id was not changed successfully
274666 - cannot access or open externaljob.ora file
274667 - invalid run_user specified in externaljob.ora file
274668 - invalid run_group specified in externaljob.ora file
274669 - error parsing externaljob.ora file
274670 - extjobo is running as root user or group

Hi Ravi,
Can you help me...
Hi All,
I planned to create a job to do rman backup daily at 04:00 AM.
1. I created a program as follows
BEGIN
DBMS_SCHEDULER.CREATE_PROGRAM(
program_name => 'rman_backup_prg',
program_action => '/u02/rmanback/rman.sh',
program_type => 'EXECUTABLE',
comments => 'RMAN BACKUP');
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#!/usr/bin/ksh
export ORACLE_HOME=/u01/app/oracle/product/10.2.0/db_1
export PATH=$PATH:/u01/app/oracle/product/10.2.0/db_1/bin
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an_220108.dmp log=/u02/rmanback/rman_220108.log owner=rman statistics=none comp
ress=n buffer=400000
compress *.dmp
exit
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BEGIN
DBMS_SCHEDULER.CREATE_SCHEDULE(
schedule_name => 'rman_backup_schedule',
start_date => SYSTIMESTAMP,
end_date => '31-DEC-16 05.00.00 AM',
repeat_interval => 'FREQ=DAILY; BYHOUR=4',
comments => 'Every day at 4 am');
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3. I created ajob as follows.
BEGIN
DBMS_SCHEDULER.CREATE_JOB (
job_name => 'rman_backup_job',
program_name => 'rman_backup_prg',
schedule_name => 'rman_backup_schedule',
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auto_drop=> false
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While I am running the job I am getting the following error anybody help me.
ORA-27369: job of type EXECUTABLE failed with exit code: Not owner
ORA-06512: at "SYS.DBMS_ISCHED", line 150
ORA-06512: at "SYS.DBMS_SCHEDULER", line 441
ORA-06512: at line 2
If I removed "compress *.dmp" line in rman script it is working fine.
/* additional Info from dba_scheduler_job_run_details as follows */
ORA-27369: job of type EXECUTABLE failed with exit code: Not owner
STANDARD_ERROR="
Export: Release 10.2.0.3.0 - Production on Tue Jan 22 14:30:08 2008
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to: Oracle Database 10g Release 10.2.0.3.0 - Production
Export"
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Solution Manager 7.1 - Monitor scripts which runs as cron job at OS level ?

Hi All,
We have Solution Manager 7.1 in our landscape and we have configured RCA, Monitoring.. Is it possible to Monitor the scripts running as Cron Job at the OS level?
If in case, the script stops due to an issue, we need to get the alert in Solution Manager.
Also can you please let us know whether it is possible to monitor jobs scheduled through external job scheduling tool.
Thanks & Regards,
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Hi,
How to Schedule the background Job at the OS level:
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sapevt TRIGGER_NAME -t
pf=d:usrsapDEVsysprofileDEV_DVEBMGS00_SVRNAME nr
Kindly go through the links,hope this will help you out
[Steps to configure RCA and Monitoring in SolMan;
[http://help.sap.com/saphelp_45b/helpdata/en/c4/3a7ef8505211d189550000e829fbbd/content.htm]
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Windows external job user

When running an external job on Oracle 10g in Windows, it seems that the external job username is no name at all. In the file which is kicked off by the scheduler job I put this line:
echo "%username%" >> %SI_HOME%\lib\imp_data.log
which produces just "" in the log file. It is supposed to log in with an externally authenticated account to run datapump imports, but it fails.
I read that for Oracle 10g the external job in Windows runs as the owner of the OracleJobScheduler service. In the properties it says it logs on as "Local System Account" which I thought would be username I want, but apparently it is not. I also tried to specify the account to run under but it won't take it, saying the account doesn't exist.
How can the username for external jobs be set to what I want?
Thanks.

I received the same results when running the OracleJobScheduler service under the 'Local System' credentials. I don't have an explanation for that. Here is some Microsoft documentation on it:
LocalSystem Account
However, you should have no problem specifying another account to run this service under. I do this on my systems. Remember this is an OS account not a database account. It can either be a Local User or Domain User.
If you want more help figuring out how to specify a custom account please provide more details.

Any reason why external jobs hang?

Hi
I'm in two minds as to whether this as an XE database problem or a general Scheduler problem so I'm trying my luck on this forum first.
Details: Database XE, Centos O/S
Problem
I can schedule all the different types of jobs and all except external jobs(job_type EXECUTABLE) do run. With external jobs, they just never complete running. It's not like they are doing anything either.
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Thank you.
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Hi,
This is helpful and I can add some further comments.
- The Metalink notes were intended for normal SE/EE Oracle installs, there is no guarantee that they will work on XE. In fact your experiment shows that setting the permissions as in the Metalink note does not work on XE since nobody does not have access to the libclntsh.so.10.1 library (file and directory permissions are slightly different in XE) . You should ignore the Metalink notes and leave the original install permissions.
- because there is no extjobo executable, external jobs in the SYS schema will not work (although doing "cp extjob extjobo" should fix this) . This is a known filed bug.
- because the Metalink note does not work, all external jobs will run as the Oracle user. This is a security risk that should be taken into account whenever granting the CREATE EXTERNAL JOB system privilege to a user.
I can confirm that on an rpm installation of oracle-xe the following works for me when run as sys
-- test case for an external job on Oracle XE
create user testusr identified by testusr ;
grant create session, resource, create job, create external job to testusr;
connect testusr/testusr
begin
dbms_scheduler.create_job('job1','executable','/bin/sleep',1,
enabled=>false);
dbms_scheduler.set_job_argument_value('job1',1,'10');
dbms_scheduler.enable('job1');
end;
select * from all_scheduler_running_jobs;
select * from all_scheduler_job_run_details;
The job does run successfully and runs for 10 seconds as expected. I suggest you try this test case out after removing the pj files and fixing the permissions on extjob back to
-r-xr-xr-x 1 oracle dba 32068 Feb 19 2006 extjob*
Hope this helps,
Ravi.
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Hi everyone!
I was wondering if anyone can help with a question I have around multiple OWB installations on RAC?
Background:
We are migrating 6 independent data warehouses / data marts onto one Exadata box. This machine has got 4 nodes, across which we will run 6 separate databases using RAC. Each database will span across all 4 nodes, and each of the databases will contain one of the independent data mart / data warehouses.
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In our understanding, we need one set of OWB binaries per database, i.e. 6 in total. The actual databases will be run from just one set of local Oracle Database binaries on each RAC node, which means only four database binaries in total will be used to run 6 RAC databases across our 4 nodes.
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Comments / suggestions would be much appreciated!
Cheers
Edited by: 817871 on 03-Dec-2010 03:25

Hi,
We also have a 6 node rac where we settes up owb.
We went through a whole lot of problems but got it running finally(with service failover).
Basically you will need the binaries on all 4 of your physical nodes.
For the first node you can run through the normal installation (repository setu).
Thab you need to start the repository assistant on all other nodes in ordr to register them.
There are a lot of pitfalls with that installation and a lack od docunentation.
We've written an onstallation guide for an OWB rac setup where with we have now setted up 9 OWB repositories spreaded over 2 racs.
Just let me know if you require detailed information - maybe we can share our guide.

I seem to have a corrupted iTunes library. I can't transfer the library to an external drive. The transfer hangs up on a specific tune. Anybody have any ideas. I am running OS 10.6 w/ a 2Ghz Duel core processor.

I seem to have a corrupted iTunes library. I can't transfer the library to an external drive. The transfer hangs up on a specific tune. Anybody have any ideas. I am running OS 10.6 w/ a 2Ghz Duel core processor.

Old Barry wrote:
via a usb connestion
So you are copyinbg the entire /Music/iTunes? folder to another drive by copying in a Finder window?

How to address message to the specific node of the ESB cluster

Hi!
We are running ESB on two node active-active cluster configuration. We use custom adapter to communicate with customer legacy system over Socket connection. The point is, that we need to transfer large amount of data from our database into customer system using one open socket connection. Because of memory limitation we had to split data into multiple messages in ESB. This socket connection can be open from any of the active cluster node, but ones it's open all messages must be send within the node which had open the connection.So, the messages should not arrive into another node. The question: How is it possible to address (route) ESB messages into specific node of the cluster?
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Muthu92 wrote:
Thank you for your reply. It is very useful for me. But i can't give conditional operator in that operator. It is showing error.
My Test cases
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A[31]-50 <100.
If those are your exact statements, then they don't make sense in a formula node. You have to use them in an if-statement or some other type of control logic. This mimics text-based programming languages such as C... See here for instructions on formula node syntax: http://zone.ni.com/reference/en-XX/help/371361G-01/lvhowto/formula_node_syntax/
For instance, you COULD say something like:
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EDIT:
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EDIT2:
I stand corrected. After trying to create an example and digging through the LabVIEW Help, I stumbled across this:
Differences between the Parser in the Mathematics VIs and the Formula Node
The parser in the Mathematics VIs supports all elements that Formula Nodes support with the following exceptions:
Variables—Only a, a0, ..., a9, ... z, z0, ..., z9, are valid.
Logical, conditional, inequality, equality—?:,, &&, !=, ==, <, >, <=, and >= are not valid.
Functions—atan2, max, min, mod, pow, rem, and sizeOfDim are not valid. You can use these functions in a Formula Node or use their corresponding LabVIEW functions.
So it DOES NOT seem like Eval Formula Node can do conditionals like you want. I would just implement them using a LabVIEW based algorithm after all. Trying to out smart the formula nodes to avoid simple LabVIEW code is just too much of a hassle
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
If someone helped you out, please select their post as the solution and/or give them Kudos!

Running an external job at the specific node out of a 2 Node RAC database.

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