启动监听报错TNS-12547: TNS:lost contact
2014-02-21 09:51
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今天上午,遇到一个问题,客户容灾库其中一个节点启动监听报错 TNS-12547: TNS:lost contact (另外一个节点启动正常)
根据报错,怀疑是lintener.log日志文件太大了,超过2G了,所以无法启动,还有一个可能是/etc/hosts 目录下没有 127.0.0.1 loopback localhost 记录,这是通常导致此错误的常见原因
查看lintener.log日志文件,大小远不足2G,第一种可能排除;
查看/etc/hosts的内容:127.0.0.1 loopback localhost # loopback (lo0) name/address也正常,第二种可能排除
这里依旧尝试了一下,rm lintener.log,在touch一个listener.log,在启动监听
报错依旧,查看lintener.log里的记录
查看其进程:
查看节点2的sqlnet.ora发现:
问题就在此(sqlnet.ora里面有ip限制的,38这个ip,也就是出故障的这个ip不再sqlnet.ora内容里,将38添加到sqlnet.ora后,启动正常)
本文转自:http://blog.sina.com.cn/s/blog_63953ac70100geqy.html
根据报错,怀疑是lintener.log日志文件太大了,超过2G了,所以无法启动,还有一个可能是/etc/hosts 目录下没有 127.0.0.1 loopback localhost 记录,这是通常导致此错误的常见原因
查看lintener.log日志文件,大小远不足2G,第一种可能排除;
r2:/oracle/app/oracle/product/9.2.0/network/log>ls -lrt total 24 drwxr-xr-x 2 oracle dba 256 Nov 15 2007 bak -rw-r--r-- 1 oracle dba 6414 Feb 24 15:32 sqlnet.log -rw-r--r-- 1 oracle dba 3025 Jul 09 11:38 listener.log
查看/etc/hosts的内容:127.0.0.1 loopback localhost # loopback (lo0) name/address也正常,第二种可能排除
/etc/hosts # # This file contains the hostnames and their address for hosts in the # network. This file is used to resolve a hostname into an Internet # address. # # At minimum, this file must contain the name and address for each # device defined for TCP in your /etc/net file. It may also contain # entries for well-known (reserved) names such as timeserver # and printserver as well as any other host name and address. # # The format of this file is: # Internet Address Hostname # Comments # Items are separated by any number of blanks and/or tabs. A '#' # indicates the beginning of a comment; characters up to the end of the # line are not interpreted by routines which search this file. Blank # lines are allowed. # Internet Address Hostname # Comments # 192.9.200.1 net0sample # ethernet name/address # 128.100.0.1 token0sample # token ring name/address # 10.2.0.2 x25sample # x.25 name/address 127.0.0.1 loopback localhost # loopback (lo0) name/address
这里依旧尝试了一下,rm lintener.log,在touch一个listener.log,在启动监听
Lsnrctl stop -----先停掉listener rm listener.log ----cd $ORACLE_HOME/network/log touch listener.log lsnrctl start Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=135.10.34.38)(PORT=1521))) TNS-12547: TNS:lost contact TNS-12560: TNS rotocol adapter error TNS-00517: Lost contact IBM/AIX RISC System/6000 Error: 73: Connection reset by peer
报错依旧,查看lintener.log里的记录
09-JUL-2008 12:17:05 * 12546 TNS-12546: TNS ermission denied TNS-12560: TNS rotocol adapter error TNS-00516: Permission denied
查看其进程:
r2:/oracle/app/oracle/product/9.2.0/network/admin>ps -ef |grep lsnr oracle 192870 168578 0 12:16:13 pts/9 0:00 grep lsnr oracle 254244 274714 0 11:06:44 pts/0 0:00 lsnrctl oracle 242390 1 0 11:06:57 pts/0 0:00 /oracle/app/oracle/product/9.2.0/bin/tnslsnr LISTENER -inherit rzyzdb2:/oracle/app/oracle/product/9.2.0/network/admin> kill -9 242390 r2:/oracle/app/oracle/product/9.2.0/network/log>lsnrctl start LSNRCTL for IBM/AIX RISC System/6000: Version 9.2.0.8.0 - Production on 09-JUL-2008 12:24:21 Copyright 1991, 2006, Oracle Corporation. All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=135.10.34.38)(PORT=1521))) TNS-12537: TNS:connection closed TNS-12560: TNS rotocol adapter error TNS-00507: Connection closed
查看节点2的sqlnet.ora发现:
问题就在此(sqlnet.ora里面有ip限制的,38这个ip,也就是出故障的这个ip不再sqlnet.ora内容里,将38添加到sqlnet.ora后,启动正常)
本文转自:http://blog.sina.com.cn/s/blog_63953ac70100geqy.html
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