http://www.oracle.com/technetwork/server-storage/linux/downloads/index-088143.html

今天早上同事打電話說日照業務庫第二個節點登錄不進去，業務沒法使用，weblogic第二個節點測不通。

PLSQL登錄就死住,最后是end-of-communcation chanel? ,估計出現了嚴重的數據庫故障。

??? telnet進AIX小機,crs_stat狀態,發現第二個節點為unkown,用命令crs_start? 啟動此實例,結果啟動失敗,crs_stop倒是能

關閉此實例。

?? 開始動手找原因，在oracle的安裝目錄下admin文件中bdump的警告文件和udump的trace文件中：

?

Tue Jul 18 23:09:22 2006 WARNING: inbound connection timed out (ORA-3136) Tue Jul 18 23:09:23 2006 WARNING: inbound connection timed out (ORA-3136) Tue Jul 18 23:09:25 2006 WARNING: inbound connection timed out (ORA-3136) Tue Jul 18 23:09:30 2006 WARNING: inbound connection timed out (ORA-3136) Tue Jul 18 23:12:15 2006 WARNING: inbound connection timed out (ORA-3136)

?

同時在sqlnet.log中記錄了如下錯誤:

?

Fatal NI connect error 12170. VERSION INFORMATION: TNS for Linux: Version 10.2.0.2.0 - Production Oracle Bequeath NT Protocol Adapter for Linux: Version 10.2.0.2.0 - Production TCP/IP NT Protocol Adapter for Linux: Version 10.2.0.2.0 - Production Time: 19-JUL-2006 11:25:26 Tracing not turned on. Tns error struct: ns main err code: 12535 TNS-12535: TNS:operation timed out ns secondary err code: 12606 nt main err code: 0 nt secondary err code: 0 nt OS err code: 0 Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.123)(PORT=58147))

?

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在eygle的網站有解決辦法：

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這是和網絡連接相關的一個錯誤,Metalink上給出了如下的解決方案:

1.set INBOUND_CONNECT_TIMEOUT_<listenername>=0 in listener.ora
2. set SQLNET.INBOUND_CONNECT_TIMEOUT = 0 in sqlnet.ora of?server.
3. stop and start both listener and database.
4. Now try to connect to DB and observe the behaviour

詳細的解決：

修改listener的inbound_connect_timeout參數的方法
方法一:
[bglbj1][oracle][/home/oracle]>lsnrctl
LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 01-SEP-2009 16:28:06
Copyright (c) 1991, 2007, Oracle.?All rights reserved.
Welcome to LSNRCTL, type "help" for information.
LSNRCTL> help
The following operations are available
An asterisk (*) denotes a modifier or extended command:
start??????????????stop???????????????status????????????
services???????????version????????????reload????????????
save_config????????trace??????????????spawn?????????????
change_password????quit???????????????exit??????????????
set*???????????????show*?????????????
LSNRCTL> show
The following operations are available after show
An asterisk (*) denotes a modifier or extended command:
rawmode????????????????????displaymode???????????????
rules??????????????????????trc_file??????????????????
trc_directory??????????????trc_level?????????????????
log_file???????????????????log_directory?????????????
log_status?????????????????current_listener??????????
inbound_connect_timeout????startup_waittime??????????
snmp_visible???????????????save_config_on_stop???????
dynamic_registration??????
LSNRCTL> set
The following operations are available after set
An asterisk (*) denotes a modifier or extended command:
password???????????????????rawmode???????????????????
displaymode????????????????trc_file??????????????????
trc_directory??????????????trc_level?????????????????
log_file???????????????????log_directory?????????????
log_status?????????????????current_listener??????????
inbound_connect_timeout????startup_waittime??????????
save_config_on_stop????????dynamic_registration??????
LSNRCTL>
LSNRCTL> show inbound_connect_timeout
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
LISTENER parameter "inbound_connect_timeout" set to 60
The command completed successfully

LSNRCTL> set inbound_connect_timeout 0
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
LISTENER parameter "inbound_connect_timeout" set to 0
The command completed successfully

LSNRCTL> show inbound_connect_timeout
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
LISTENER parameter "inbound_connect_timeout" set to 0
The command completed successfully

LSNRCTL> set save_config_on_stop on??#表示修改參數永久生效，否則只是臨時生效，下次重啟監聽又還原為原來的值了
LSNRCTL> exit

方法二：
修改listener.ora文件，加入:?INBOUND_CONNECT_TIMEOUT_LISTENER_NAME=0
問題解決

修改后依然是啟動不了數據庫，但在依然啟動不了數據庫連sqlplus環境都進不去，我查看來最新一個udump 下的

trc文件，其中有Dumping diagnostic information for LCK0:
OS pid = 422264
loadavg : 0.23 0.25 0.26
swap info: free_mem = 17.67M rsv = 128.00M
?????????? alloc = 12067.13M avail = 32768.00M swap_free = 20700.87M
?????? F S????? UID??? PID?? PPID?? C PRI NI ADDR??? SZ??? WCHAN??? STIME??? TTY? TIME CMD
? 240001 A?? oracle 422264????? 1?? 0? 60 20 a0b36400 106964??????????? Feb 10????? -? 1:47 ora_lck0_rzywk2
open: The file access permissions do not allow the specified action.
Warning: executed in non-root mode
procstack cannot verify that /unix matches the running kernel.
Kernel symbols might not be validated.
422264: ora_lck0_rzywk2
0x00000001000fc898? sskgpwwait(??, ??, ??, ??, ??) + 0x38
0x00000001000f9e7c? skgpwwait(??, ??, ??, ??, ??) + 0xbc
0x000000010011e42c? kslges(??, ??, ??, ??, ??) + 0x54c
0x000000010012225c? kslgetl(??, ??, ??, ??) + 0x33c
0x00000001049f0998? ksfglt(??, ??, ??, ??, ??) + 0x198
0x00000001045d1b84? kqlmbfre() + 0x144
0x00000001045d61c4? kqlmba(??, ??) + 0x24
0x000000010015efa8? ksbcti(??, ??, ??) + 0x3c8
0x0000000100169f1c? ksbabs(??) + 0x3fc
0x00000001019b5e18? kclabs(??) + 0xd8
0x0000000100166dd4? ksbrdp() + 0x4b4
0x000000010430c93c? opirip(??, ??, ??) + 0x3fc
0x0000000102d9ae38? opidrv(??, ??, ??) + 0x458
0x000000010370b950? sou2o(??, ??, ??, ??) + 0x90
0x0000000100000870? opimai_real(??, ??) + 0x150
0x00000001000006d8? main(??, ??) + 0x98
0x0000000100000368? __start() + 0x98
*** 2011-02-12 05:20:09.050
*** 2011-02-12 05:20:19.051
Waited for detached process: LCK0 for 310 seconds:
*** 2011-02-12 05:20:19.051
Dumping diagnostic information for LCK0:
OS pid = 422264
loadavg : 0.36 0.27 0.27
swap info: free_mem = 32.64M rsv = 128.00M
?????????? alloc = 12072.14M avail = 32768.00M swap_free = 20695.86M
?????? F S????? UID??? PID?? PPID?? C PRI NI ADDR??? SZ??? WCHAN??? STIME??? TTY? TIME CMD
? 240001 A?? oracle 422264????? 1?? 0? 60 20 a0b36400 106964??????????? Feb 10????? -? 1:47 ora_lck0_rzywk2
open: The file access permissions do not allow the specified action.
Warning: executed in non-root mode
procstack cannot verify that /unix matches the running kernel.
Kernel symbols might not be validated.

?

依據此處和alterSID.log的內容：

ksvcreate: Process(m000) creation failed
Sat Feb 12 05:19:14 2011
Errors in file /oracle/app/oracle/admin/rzywk/bdump/rzywk2_j002_512250.trc:
ORA-12012: error on auto execute of job 42791
ORA-27468: "EXFSYS.RLM$EVTCLEANUP" is locked by another process
Sat Feb 12 05:40:42 2011
Errors in file /oracle/app/oracle/admin/rzywk/bdump/rzywk2_j002_614620.trc:
ORA-12012: error on auto execute of job 42792
ORA-27468: "EXFSYS.RLM$SCHDNEGACTION" is locked by another process
Sat Feb 12 05:45:05 2011
Errors in file /oracle/app/oracle/admin/rzywk/bdump/rzywk2_j003_516258.trc:
ORA-12012: error on auto execute of job 42791
ORA-27468: "EXFSYS.RLM$EVTCLEANUP" is locked by another process
Sat Feb 12 05:55:20 2011
kkjcre1p: unable to spawn jobq slave process
Sat Feb 12 05:55:20 2011
Errors in file /oracle/app/oracle/admin/rzywk/bdump/rzywk2_cjq0_434552.trc:

Sat Feb 12 05:57:36 2011
kkjcre1p: unable to spawn jobq slave process
Sat Feb 12 05:57:36 2011
Errors in file /oracle/app/oracle/admin/rzywk/bdump/rzywk2_cjq0_434552.trc:

可以判斷是oracle內部的進程鎖定的,上面的內容說的很清楚，就是422264????? 這個進程編號,

kill -9 422264 再進入sqlplus? "/as sysdba"? 可以登錄了，startup 數據庫成功啟動。

?????? 看來解決問題還得具體問題具體分析,不過大佬們的文檔還是需要借鑒的。

附上解決此問題的其他方案和分析：

??http://www.eygle.com/archives/2006/07/sqlnet_inbound_connect_timeout.html

http://topic.csdn.net/u/20080623/17/4383143c-5bf6-462a-b7d6-ac41e50661e9.html

本文轉自einyboy博客園博客，原文鏈接：http://www.cnblogs.com/einyboy/archive/2013/01/25/2876674.html，如需轉載請自行聯系原作者。

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