tnsping報TNS-03505

[root@rac1 admin]# tnsping rac2

TNS Ping Utility for Linux: Version 11.2.0.3.0 - Production on 19-JUL-2013 20:40               :45

Copyright (c) 1997, 2011, Oracle.  All rights reserved.

Used parameter files:
/u01/app/grid/11.2.0/network/admin/sqlnet.ora

TNS-03505: Failed to resolve name

 tnsnames.ora這個檔案很敏感，中間多個空格可能就會導致報TNS-03505錯誤。所以最好用netca或netmgr工具配置，用工具重新設定後，tsping就成功了。

[oracle@rac1 admin]$ tnsping rac2

TNS Ping Utility for Linux: Version 11.2.0.3.0 - Production on 19-JUL-2013 20:54:41

Copyright (c) 1997, 2011, Oracle.  All rights reserved.

Used parameter files:

Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.203)(PORT = 1521))) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = rac) (INSTANCE_NAME = rac2)))
OK (140 msec)