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OS: Red Hat Enterprise Linux AS release 3 (Taroon)
커널 : 2.4.21-4

LSNRCTL for Linux: Version 9.2.0.4.0 - Production on 10-OCT-2006 11:01:46

Copyright (c) 1991, 2002, Oracle Corporation.  All rights reserved.

Starting /opt/oracle/product/9.2.0.4.0/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 9.2.0.4.0 - Production
System parameter file is /opt/oracle/product/9.2.0.4.0/network/admin/listener.ora
Log messages written to /opt/oracle/product/9.2.0.4.0/network/log/listener.log
Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC)))
TNS-12540: TNS:internal limit restriction exceeded
TNS-12560: TNS:protocol adapter error
  TNS-00510: Internal limit restriction exceeded
  Linux Error: 28: No space left on device

Listener failed to start. See the error message(s) above...




Errors
ORA-12540 "TNS:internal limit restriction exceeded"


Symptoms
Unable to make more than 510 connections to Server using OCI
Error is "TNS-12540: TNS:internal limit restriction exceeded"


Cause
The problem was caused by an insufficient OPEN FILES setting (the current value can be viewed with ulimit -a).


Solution
To implement the solution, please execute the following steps:

1. Increase OPEN FILES, for example:

ulimit -n 4096