RAC 监听的BLOCKED状态

监听程序ASM服务的BLOCKED状态

默认情况下，监控器是不接受从别的节点联入ASM实例的。

因此为ASM创建的服务，状态是"BLOCKED"，表示此实例不能接受连接。

Ora10gASM-> lsnrctl status

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 08-JUN-2008 07:39:03

Copyright (c) 1991, 2005, Oracle. All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=Ora10gASM)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date 08-JUN-2008 07:14:45
Uptime 0 days 0 hr. 24 min. 18 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /oracle/product/10.2.0/db_1/network/admin/listener.ora
Listener Log File /oracle/product/10.2.0/db_1/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=Ora10gASM)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=Ora10gASM)(PORT=2100))(Presentation=FTP)(Session=RAW))
Services Summary...Service "+ASM" has 1 instance(s).
Instance "+ASM", status BLOCKED, has 1 handler(s) for this service...
Service "+ASM_XPT" has 1 instance(s).
Instance "+ASM", status BLOCKED, has 1 handler(s) for this service...Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "benbo" has 1 instance(s).
Instance "benbo", status READY, has 1 handler(s) for this service...
Service "benboXDB" has 1 instance(s).
Instance "benbo", status READY, has 1 handler(s) for this service...
Service "benbo_XPT" has 1 instance(s).
Instance "benbo", status READY, has 1 handler(s) for this service...
The command completed successfully

BLOCKED:表示此实例不能接受连接
UNKNOWN:表示此实例在listener.ora文件中注册而不是通过动态服务注册，因而不知道其状态
READY:表示此实例可接受连接

可以通过修改listener.ora文件，通过静态注册ASM实例，可使得从别的主机上可进行客户端登陆。
Ora10gASM-> vi /oracle/product/10.2.0/db_1/network/admin/listener.ora

(PROGRAM = extproc)
# listener.ora Network Configuration File: /oracle/product/10.2.0/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = /oracle/product/10.2.0/db_1)
(PROGRAM = extproc)
) (SID_DESC =
(SID_NAME = +ASM)
(ORACLE_HOME = /oracle/product/10.2.0/db_1)
) )

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = Ora10gASM)(PORT = 1521))
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
)
)

"product/10.2.0/db_1/network/admin/listener.ora" 24L, 583C written

重新载入监听信息 
Ora10gASM-> lsnrctl reload

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 08-JUN-2008 07:40:40

Copyright (c) 1991, 2005, Oracle. All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=Ora10gASM)(PORT=1521)))
The command completed successfully
Ora10gASM-> lsnrctl status

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 08-JUN-2008 07:40:51

Copyright (c) 1991, 2005, Oracle. All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=Ora10gASM)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date 08-JUN-2008 07:14:45
Uptime 0 days 0 hr. 26 min. 6 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /oracle/product/10.2.0/db_1/network/admin/listener.ora
Listener Log File /oracle/product/10.2.0/db_1/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=Ora10gASM)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=Ora10gASM)(PORT=2100))(Presentation=FTP)(Session=RAW))
Services Summary...
Service "+ASM" has 2 instance(s).
Instance "+ASM", status UNKNOWN, has 1 handler(s) for this service...
Instance "+ASM", status BLOCKED, has 1 handler(s) for this service...
Service "+ASM_XPT" has 1 instance(s).
Instance "+ASM", status BLOCKED, has 1 handler(s) for this service...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "benbo" has 1 instance(s).
Instance "benbo", status READY, has 1 handler(s) for this service...
Service "benboXDB" has 1 instance(s).
Instance "benbo", status READY, has 1 handler(s) for this service...
Service "benbo_XPT" has 1 instance(s).
Instance "benbo", status READY, has 1 handler(s) for this service...
The command completed successfully

配置好客户端tnsnames.ora，加入到ASM的连接标识符。

asm =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.111)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = +ASM)
)
)

C:>sqlplus sys/oracle@asm as sysdba

SQL*Plus: Release 11.1.0.6.0 - Production on 星期日 6月 8 10:38:14 2008

Copyright (c) 1982, 2007, Oracle. All rights reserved.

连接到:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options

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