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監聽的instance status blocked分析

本文轉載自   查看原文   2013-12-27 18:40   12641    oracle/ blocked/ Oracle/ Sql Server/ listener
對於處於NOMOUNT狀態的數據庫，PMON還沒有將服務注冊到監聽上，這個時候服務的狀態是BLOCKED的，對於來自遠程的任何連接
都會報ORA-12528錯誤。
如下：
[oracle@dbtest ~]$ export ORACLE_SID=orcl
[oracle@dbtest ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.4.0 - Production on Thu Nov 15 14:39:52 2012
Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
SQL> select status from v$instance;
STATUS
------------------------
STARTED
SQL> !
[oracle@dbtest ~]$ lsnrctl status
LSNRCTL for IBM/AIX RISC System/6000: Version 10.2.0.4.0 - Production on 15-NOV-2012 14:40:43
Copyright (c) 1991, 2007, Oracle.  All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias                     LISTENER_dbtest
Version                   TNSLSNR for IBM/AIX RISC System/6000: Version 10.2.0.4.0 - Production
Start Date                02-NOV-2012 20:40:07
Uptime                    12 days 18 hr. 0 min. 36 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      ON
Listener Parameter File   /u01/oracle/product/db10gr2/network/admin/listener.ora
Listener Log File         /u01/oracle/product/db10gr2/network/log/listener_dbtest.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.76)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.77)(PORT=1521)))
Services Summary...
Service "ORCL" has 1 instance(s).
  Instance "ORCL", status BLOCKED, has 1 handler(s) for this service...
Service "PL***tProc" has 1 instance(s).
  Instance "PL***tProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
C:\>sqlplus   sys/oracle@orcl  as sysdba
SQL*Plus: Release 10.2.0.1.0 - Production on 星期四 11月 15 14:36:35 2012
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
ERROR:
ORA-12528: TNS: 監聽程序: 所有適用例程都無法建立新連接

請輸入用戶名:
ERROR:
ORA-12560: TNS: 協議適配器錯誤

請輸入用戶名:
ERROR:
ORA-12560: TNS: 協議適配器錯誤

SP2-0157: 在 3 次嘗試之后無法連接到 ORACLE, 退出 SQL*Plus

PMON只有在MOUNT狀態下才能將服務注冊到監聽器上。

SQL> alter database mount;
Database altered.
SQL> select status from v$instance;
STATUS
------------------------
MOUNTED
SQL> !
[oracle@dbtest ~]$ lsnrctl status
LSNRCTL for IBM/AIX RISC System/6000: Version 10.2.0.4.0 - Production on 15-NOV-2012 14:47:05
Copyright (c) 1991, 2007, Oracle.  All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias                     LISTENER_dbtest
Version                   TNSLSNR for IBM/AIX RISC System/6000: Version 10.2.0.4.0 - Production
Start Date                02-NOV-2012 20:40:07
Uptime                    12 days 18 hr. 6 min. 58 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      ON
Listener Parameter File   /u01/oracle/product/db10gr2/network/admin/listener.ora
Listener Log File         /u01/oracle/product/db10gr2/network/log/listener_dbtest.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.76)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.77)(PORT=1521)))
Services Summary...
Service "ORCL" has 1 instance(s).
  Instance "ORCL", status READY, has 1 handler(s) for this service...
Service "PL***tProc" has 1 instance(s).
  Instance "PL***tProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
C:\>sqlplus   sys/oracle@orcl  as sysdba
SQL*Plus: Release 10.2.0.1.0 - Production on 星期四 11月 15 14:47:44 2012
Copyright (c) 1982, 2005, Oracle.  All rights reserved.

連接到:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
SQL> select instance_name,status from v$instance;
INSTANCE_NAME                    STATUS
-------------------------------- ------------------------
orcl                             MOUNTED

對於連接到NOMOUNT的數據庫10G之前只能使用靜態注冊，10G之后除了使用靜態注冊之外，還有個更簡單的方法。
如下所示：
SQL> startup force nomount
ORA-32004: obsolete and/or deprecated parameter(s) specified
ORACLE instance started.
Total System Global Area 1.0737E+10 bytes
Fixed Size                  2101912 bytes
Variable Size            1.0586E+10 bytes
Database Buffers          134217728 bytes
Redo Buffers               14671872 bytes
SQL> select instance_name,status from v$instance;
INSTANCE_NAME                    STATUS
-------------------------------- ------------------------
orcl                             STARTED
[oracle@dbtest ~]$ lsnrctl status
LSNRCTL for IBM/AIX RISC System/6000: Version 10.2.0.4.0 - Production on 15-NOV-2012 14:55:24
Copyright (c) 1991, 2007, Oracle.  All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias                     LISTENER_dbtest
Version                   TNSLSNR for IBM/AIX RISC System/6000: Version 10.2.0.4.0 - Production
Start Date                02-NOV-2012 20:40:07
Uptime                    12 days 18 hr. 15 min. 18 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      ON
Listener Parameter File   /u01/oracle/product/db10gr2/network/admin/listener.ora
Listener Log File         /u01/oracle/product/db10gr2/network/log/listener_dbtest.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.76)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.77)(PORT=1521)))
Services Summary...
Service "ORCL" has 1 instance(s).
  Instance "ORCL", status BLOCKED, has 1 handler(s) for this service...
Service "PL***tProc" has 1 instance(s).
  Instance "PL***tProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
TNS配置如下：
orcl=
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.76)(PORT = 1521))
    )
    (CONNECT_DATA =
      (service_name = orcl)
      (SERVER = DEDICATED)
      (UR=A)
    )  
)

C:\>sqlplus   sys/oracle@orcl  as sysdba
SQL*Plus: Release 10.2.0.1.0 - Production on 星期四 11月 15 14:53:53 2012
Copyright (c) 1982, 2005, Oracle.  All rights reserved.

連接到:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
SQL> select instance_name,status from v$instance;
INSTANCE_NAME                    STATUS
-------------------------------- ------------------------
orcl                             STARTED
TNS配置中加入 UR=A選項即可，即使服務狀態是BLOCKED。
這對於連接到Auxilary instance的時候非常有用，否則你只能采用OS認證方式。


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