asm远程连接可能会遇到以下报错:
ORA-12505 TNS:listener Could not resolve SID given in connect descriptor ORA-12541: TNS:no listener ORA-15000: command disallowed by current instance type ORA-12528: TNS:listener: all appropriate instances are blocking new connections ORA-1031: insufficient privileges
asm远程连接配置如下:
参数配置:
remote_login_passwordfile = exclusive ... for stand alone ASM setups remote_login_passwordfile = shared ... for ASM setups that also use Real Application Cluster (RAC)
节点1:
[[email protected] admin]$ cat listener.ora SID_LIST_LISTENER_prodb1 = (SID_LIST = (SID_DESC = (SID_NAME = PLSExtProc) (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1) (PROGRAM = extproc) (SID_DESC = (SID_NAME = +ASM1) (GLOBAL_dbnAME = +ASM) (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1) ) ) LISTENER_prodb1 = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = prodb1-vip)(PORT = 1521)(IP = FirsT)) (ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.10.101)(PORT = 1521)(IP = FirsT)) ) )
节点2:
[[email protected] admin]$ cat listener.ora SID_LIST_LISTENER_prodb2 = (SID_LIST = (SID_DESC = (SID_NAME = PLSExtProc) (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1) (PROGRAM = extproc) (SID_DESC = (SID_NAME = +ASM2) (GLOBAL_dbnAME = +ASM) (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1) ) ) LISTENER_prodb2 = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = prodb2-vip)(PORT = 1521)(IP = FirsT)) (ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.10.102)(PORT = 1521)(IP = FirsT)) ) )
客户端tnsname.ora:
ASM1 = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.10.101)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = +ASM) (UR=A) ) ) ASM2 = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.10.102)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = +ASM) (UR=A) ) ) ASM = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.10.102)(PORT = 1521)) (ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.10.101)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = +ASM) (UR=A) ) )
关键部分为 (UR=A)
,如果不配置该选项,则连接的时候报:
$ sqlplus sys/[email protected] as sysdba sql*Plus: Release 10.2.0.5.0 - Production on чǚ? 7? 5 21:44:30 2018 copyright (c) 1982,2010,Oracle. All Rights Reserved. ERROR: ORA-12528: TNS:listener: all appropriate instances are blocking new connections
UR=A选项通常用来连接使用nomount,mount或restricted模式启动数据库。
数据库启动到nomount,监听状态为BLOCKED;
数据库启动到mount,监听状态为READY;
数据库启动到restrict,监听状态为RESTRICT;
静态注册的asm为BLOCKED
参考自:How to connect to ASM instance from a remote client (Oracle Net) (文档 ID 340277.1)
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