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8#
发表于 2013-12-10 19:53:03
ODM FINDING:
DBCA Failing With Error ORA-04414, ORA-12547: TNS:lost Contact (Doc ID 1499541.1)
Applies to:
Oracle Server - Enterprise Edition - Version 11.2.0.3 and later
Information in this document applies to any platform.
Symptoms
A new database creation with DBCA or manually with the scripts as generated by DBCA, this fails with errors ORA-04414, ORA-12547
Changes
The Oracle Home was cloned to a new environment per guidelines provided in
Note 1221705.1 - Cloning An Existing Oracle11g Release 2 (11.2.0.x) RDBMS Installation Using OUI
The cloning as such was independently verified to be correct by the Oracle Support Install competency.
Cause
In this case, several issues may have lead to the reported errors:
/proc filesystem not mounted
Insufficient ulimit values as shown below.
time(seconds) unlimited
file(blocks) unlimited
data(kbytes) 131072
stack(kbytes) 32768
memory(kbytes) 32768
coredump(blocks) 2097151
nofiles(descriptors) 2000
threads(per process) unlimited
processes(per user) unlimited
The PATH setting as shown below differed from the previously successful cloned environment (QA & DEV)
Suspect usr/ccs/bin directory needs to be placed before the /usr/ucb - (archiver executable that creates library files needs to come from usr/ccs/bin when relinking)
PATH=/usr/bin:/etc:/usr/sbin:/usr/ucb:/usr/bin/X11:/sbin:/usr/java14/jre/bin:/usr/java14/bin:/usr/local/bin:/usr/local/bin:/bin:/usr/ccs/bin:/usr/pge/bin:/usr/pge/adm:/usr/pge/apps:/usr/local/bin:/opt/LicenseUseManagement/bin:/usr/opt/ifor/ls/os/aix/bin
NOTE:
The PATH setting may not have been relevant here based on
Note 131321.1 - How to Relink Oracle Database Software on UNIX
Also the relink with the cloning procedure had shown no related errors.
However, it was another indication the new clone environment clearly differed from the source environment.
Solution
Make sure the clone target environment is the same as the source environment. At least make sure all instalation requirements are also met on the target environment, e.g.:
Mount /proc filesystem as identified in
Note 372143.1 - ORA-12547 connecting to sqlplus '/ as sysdba' on AIX
To resolve the ORA-04414, increased ulimit shell settings to "unlimited" or according to the install Guide, e.g.
Oracle® Database Installation Guide
11g Release 2 (11.2) for Linux
Part Number E24321-07
Chapter 2 Oracle Database Preinstallation Requirements
Section 2.11 Checking Resource Limits for the Oracle Software Installation Users
http://docs.oracle.com/cd/E11882 ... nstall.htm#BABIAIED
Correct other environment differences, e.g. the PATH setting |
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