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тАО03-21-2003 06:48 PM
тАО03-21-2003 06:48 PM
database tns error
TNS-12540: TNS:internal limit restriction exceeded
TNS-12560: TNS:protocol adapter error
TNS-00510: Internal limit restriction exceeded
HPUX Error: 11: Resource temporarily unavailable
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тАО03-21-2003 06:53 PM
тАО03-21-2003 06:53 PM
Re: database tns error
Regards,
RZ
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тАО03-21-2003 06:57 PM
тАО03-21-2003 06:57 PM
Re: database tns error
Error: 11 indicates that there are no more processes can be started.
It could be either nproc or maxuprc.
Look at sar -v 2 20 and observe proc-sz column. If it is near full, then you will need to increase that parameter.
If not, then it could be your maxuprc. As oracle, do a
ps -ef|grep oracle |wc -l.
Compare this number with
kmtune -l -q maxuprc
If they are near, then you will need to increase maxuprc kernel parameter.
-Sri
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тАО03-21-2003 07:12 PM
тАО03-21-2003 07:12 PM
Re: database tns error
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тАО03-21-2003 07:17 PM
тАО03-21-2003 07:17 PM
Re: database tns error
thanks Ross Zubritski
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тАО03-21-2003 07:17 PM
тАО03-21-2003 07:17 PM
Re: database tns error
Regards,
RZ
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тАО03-21-2003 09:01 PM
тАО03-21-2003 09:01 PM
Re: database tns error
THe problem is with the
maxuprc - max number of processes per user
You need to increase this parameter in the kernel.
Before that Just do a
ps -ef|grep oracle
and check whether unwanted processes are running like any scripts that has gone into a loop spawning new processes.
Thanks
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тАО03-22-2003 07:32 PM
тАО03-22-2003 07:32 PM
Re: database tns error
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО03-22-2003 08:01 PM
тАО03-22-2003 08:01 PM
Re: database tns error
Jon
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тАО03-22-2003 08:09 PM
тАО03-22-2003 08:09 PM
Re: database tns error
Intermittent TNS-12500 errors are caused by a lack of resources on the server. Finding which resource is depleted may be difficult.
1. The TNS-12500 can be a result of the 'processes'
parameter in the init
2. If the init.ora 'processes' parameter seems ok then you
may need to increase the Unix kernel parameters for the
maximum number of processes or users (for example, nproc
or maxuprc). Check the manuals for the Unix operating
system for more information on these parameters.
3. Check that you have adequate swap space.
4. Disable OTRACE. OTRACE is a tracing feature that can cause
many problems. OTRACE is enabled by default. To disable
OTRACE:
a. Stop the Oracle database.
b. Go to the $ORACLE_HOME/otrace/admin directory.
c. Delete all files with a '.dat' extension.
d. Restart the Oracle database.
5. Use the Multi-Threaded Server (MTS) option. MTS will fix
the problem since the listener does not spawn dedicated
server processes in this environment. MTS also cuts down
on the amount of resources being utilized by having connections
threaded through dispatchers and by having shared server
processes read dispatcher requests from queues.
To invoke MTS:
a. Stop the database
b. Modify the init
parameters: mts_dispatchers="
An example of a working MTS configuration would be: mts_dispatchers="tcp,3" mts_max_dispatchers=10 mts_servers=2 mts_max_servers=4 mts_service=ORCL mts_listener_address= "(address=(protocol=tcp)(host=mars1)(port=1521))"
Please note for Oracle 8i the MTS configuration would be: mts_dispatchers = "(protocol=tcp)(dis=2)" mts_max_dispatchers = 4 mts_servers = 4 mts_max_servers = 6 local_listener = "(ADDRESS_LIST = (ADDRESS=(PROTOCOL=TCP)(HOST=mars1)(PORT=1521)))"
c. Restart the database.
For more information on the Multi-Threaded Server
option, please see NOTE 16656.1 and PR 1013209.6.
Jon