rac 用scan连接默认的service 是两边都跑

[oracle@yyjk sbin]$ cat testrac.pl 
use DBI;
$dbh2 = DBI->connect( "dbi:Oracle://10.2.120.185:1521/uacdb", uac, xx );
my $sql='select instance_name from v$instance';
my $sth1 = $dbh2->prepare($sql); 
$sth1->execute();
my @res;
$num=$sth1->fetchrow_array();
print $num."\n";

[oracle@uacdb2 ~]$ cat /etc/hosts |grep -i uac
10.2.120.181  uacdb1
10.2.120.182  uacdb2
93.93.15.1    uacdb1-priv
93.93.15.2    uacdb2-priv
10.2.120.183  uacdb1-vip
10.2.120.184  uacdb2-vip
10.2.120.185  uacdb-scan



[oracle@uacdb1 ~]$ /sbin/ifconfig -a|grep 'inet addr'
          inet addr:10.2.120.181  Bcast:10.2.120.255  Mask:255.255.255.0
          inet addr:10.2.120.183  Bcast:10.2.120.255  Mask:255.255.255.0
          inet addr:93.93.15.1  Bcast:93.93.15.255  Mask:255.255.255.0
          inet addr:169.254.219.193  Bcast:169.254.255.255  Mask:255.255.0.0
          inet addr:127.0.0.1  Mask:255.0.0.0
		  
		  
[oracle@uacdb2 ~]$ /sbin/ifconfig -a|grep 'inet addr'
          inet addr:10.2.120.182  Bcast:10.2.120.255  Mask:255.255.255.0
          inet addr:10.2.120.184  Bcast:10.2.120.255  Mask:255.255.255.0
          inet addr:10.2.120.185  Bcast:10.2.120.255  Mask:255.255.255.0
          inet addr:93.93.15.2  Bcast:93.93.15.255  Mask:255.255.255.0
          inet addr:169.254.117.217  Bcast:169.254.255.255  Mask:255.255.0.0
          inet addr:127.0.0.1  Mask:255.0.0.0
		  
		  
[grid@uacdb1 ~]$ crsctl stat res -t
--------------------------------------------------------------------------------
NAME           TARGET  STATE        SERVER                   STATE_DETAILS       
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.DATA.dg
               ONLINE  ONLINE       uacdb1                                       
               ONLINE  ONLINE       uacdb2                                       
ora.FRA.dg
               ONLINE  ONLINE       uacdb1                                       
               ONLINE  ONLINE       uacdb2                                       
ora.LISTENER.lsnr
               ONLINE  ONLINE       uacdb1                                       
               ONLINE  ONLINE       uacdb2                                       
ora.OCRVT.dg
               ONLINE  ONLINE       uacdb1                                       
               ONLINE  ONLINE       uacdb2                                       
ora.asm
               ONLINE  ONLINE       uacdb1                   Started             
               ONLINE  ONLINE       uacdb2                   Started             
ora.gsd
               OFFLINE OFFLINE      uacdb1                                       
               OFFLINE OFFLINE      uacdb2                                       
ora.net1.network
               ONLINE  ONLINE       uacdb1                                       
               ONLINE  ONLINE       uacdb2                                       
ora.ons
               ONLINE  ONLINE       uacdb1                                       
               ONLINE  ONLINE       uacdb2                                       
ora.registry.acfs
               ONLINE  ONLINE       uacdb1                                       
               ONLINE  ONLINE       uacdb2                                       
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       uacdb2                                       
ora.cvu
      1        ONLINE  ONLINE       uacdb2                                       
ora.oc4j
      1        ONLINE  ONLINE       uacdb2                                       
ora.scan1.vip
      1        ONLINE  ONLINE       uacdb2                                       
ora.uacdb.db
      1        ONLINE  ONLINE       uacdb1                   Open                
      2        ONLINE  ONLINE       uacdb2                   Open                
ora.uacdb.uacrac1.svc
      1        ONLINE  ONLINE       uacdb2                                       
ora.uacdb.uacrac2.svc
      1        ONLINE  ONLINE       uacdb2                                       
ora.uacdb1.vip
      1        ONLINE  ONLINE       uacdb1                                       
ora.uacdb2.vip
      1        ONLINE  ONLINE       uacdb2 
	  
	  
	  
[oracle@uacdb1 ~]$ lsnrctl status

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 23-JAN-2019 10:27:48

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

Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Start Date                08-JAN-2019 21:29:09
Uptime                    14 days 12 hr. 58 min. 39 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /oracle/grid/network/admin/listener.ora
Listener Log File         /oracle/grid/network/log/listener.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=LISTENER)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=10.2.120.181)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=10.2.120.183)(PORT=1521)))
Services Summary...
Service "+ASM" has 1 instance(s).
  Instance "+ASM1", status READY, has 1 handler(s) for this service...
Service "uacdb" has 1 instance(s).
  Instance "uacdb1", status READY, has 1 handler(s) for this service...
The command completed successfully


[oracle@uacdb2 ~]$ lsnrctl status

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 23-JAN-2019 10:28:14

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

Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Start Date                20-NOV-2017 00:06:16
Uptime                    429 days 10 hr. 21 min. 57 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /oracle/grid/network/admin/listener.ora
Listener Log File         /oracle/grid/network/log/listener.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=LISTENER)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=10.2.120.182)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=10.2.120.184)(PORT=1521)))
Services Summary...
Service "+ASM" has 1 instance(s).
  Instance "+ASM2", status READY, has 1 handler(s) for this service...
Service "uacdb" has 1 instance(s).
  Instance "uacdb2", status READY, has 1 handler(s) for this service...
Service "uacrac1" has 1 instance(s).
  Instance "uacdb2", status READY, has 1 handler(s) for this service...
Service "uacrac2" has 1 instance(s).
  Instance "uacdb2", status READY, has 1 handler(s) for this service...
The command completed successfully


[oracle@yyjk sbin]$ perl testrac.pl 
uacdb1
You have mail in /var/spool/mail/oracle
[oracle@yyjk sbin]$ 
[oracle@yyjk sbin]$ perl testrac.pl 
uacdb1
[oracle@yyjk sbin]$ perl testrac.pl 
uacdb2
[oracle@yyjk sbin]$ perl testrac.pl 
uacdb2
[oracle@yyjk sbin]$ perl testrac.pl 
uacdb1

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转载自blog.csdn.net/zhaoyangjian724/article/details/86605771