11g rac scan ip 无法连接问题

现象描述：
scan ip 没有注册到监听中，远程连接scan ip 无法访问数据库。
<roidb1:+ASM1:/home/grid>$lsnrctl status listener_scan1

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 12-APR-2018 09:28:51

Copyright (c) 1991,2013,Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER_SCAN1
Version                   TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Start Date                12-APR-2018 08:47:21
Uptime                    0 days 0 hr. 41 min. 29 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/11.2.0/grid/network/admin/listener.ora
Listener Log File         /u01/app/11.2.0/grid/log/diag/tnslsnr/roidb1/listener_scan1/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=LISTENER_SCAN1)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.215)(PORT=1521)))
The listener supports no services
The command completed successfully
<roidb1:+ASM1:/home/grid>$

SQL> show parameter listener

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
listener_networks                    string
local_listener                       string       (ADDRESS=(PROTOCOL=TCP)(HOST=
                                                 192.168.1.213)(PORT=1521))
remote_listener                      string      (DESCRIPTION=(ADDRESS_LIST=(AD
                                                 DRESS=(PROTOCOL=TCP)(HOST=192.
                                                 168.1.214)(PORT=1521))))
SQL> 

<roidb1:orcl1:/home/oracle>$sqlplus roidba/roidba@//192.168.1.215:1521/orcl 

SQL*Plus: Release 11.2.0.4.0 Production on Thu Apr 12 09:29:27 2018

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

ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptor

Enter user-name: 

解决方法：

<roidb1:orcl1:/home/oracle>$sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Thu Apr 12 09:29:41 2018

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

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning,Real Application Clusters,Automatic Storage Management,OLAP,Data Mining and Real Application Testing options

SQL> show parameter listener

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
listener_networks                    string
local_listener                       string       (ADDRESS=(PROTOCOL=TCP)(HOST=
                                                 192.168.1.213)(PORT=1521))
remote_listener                      string      (DESCRIPTION=(ADDRESS_LIST=(AD
                                                 DRESS=(PROTOCOL=TCP)(HOST=192.
                                                 168.1.214)(PORT=1521))))

##这里需要注意不用使用sid='*' 这种方式，要使用sid='实例名'，不然重启后不生效。                                              
SQL> alter system set remote_listener='roidb-scan:1521' scope=both sid='orcl1';

System altered.

SQL> alter system register;

System altered.

SQL> show parameter listener

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
listener_networks                    string
local_listener                       string       (ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.213)(PORT=1521))
remote_listener                      string      roidb-scan:1521
SQL> 

验证：
<roidb1:+ASM1:/home/grid>$lsnrctl status listener_scan1

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 12-APR-2018 09:31:38

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

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER_SCAN1
Version                   TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Start Date                12-APR-2018 08:47:21
Uptime                    0 days 0 hr. 44 min. 16 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/11.2.0/grid/network/admin/listener.ora
Listener Log File         /u01/app/11.2.0/grid/log/diag/tnslsnr/roidb1/listener_scan1/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=LISTENER_SCAN1)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.215)(PORT=1521)))
Services Summary...
Service "ORCL" has 1 instance(s).
  Instance "orcl1",status READY,has 1 handler(s) for this service...
Service "orclXDB" has 1 instance(s).
  Instance "orcl1",has 1 handler(s) for this service...
The command completed successfully
<roidb1:+ASM1:/home/grid>$

<roidb1:orcl1:/home/oracle>$sqlplus roidba/roidba@//192.168.1.215:1521/orcl 

SQL*Plus: Release 11.2.0.4.0 Production on Thu Apr 12 09:32:01 2018

Copyright (c) 1982,Data Mining and Real Application Testing options

SQL> show parameter listener

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
listener_networks                    string
local_listener                       string       (ADDRESS=(PROTOCOL=TCP)(HOST=
                                                 192.168.1.213)(PORT=1521))
remote_listener                      string      roidb-scan:1521
SQL>

（编辑：李大同）

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