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静态监听的状态是UNKNOWN。当数据库状态是OPEN时，动态监听是READY；当数据库状态是NOMOUNT时，动态监听状态是BLOCKED。

LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.10.65)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Start Date                02-DEC-2019 00:35:47
Uptime                    0 days 6 hr. 20 min. 52 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File         /u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.10.65)(PORT=1521)))
Services Summary...
Service "his" has 2 instance(s).
  Instance "his", status UNKNOWN, has 1 handler(s) for this service...
  Instance "his", status BLOCKED, has 1 handler(s) for this service...
Service "hisdb" has 1 instance(s).
  Instance "his", status BLOCKED, has 1 handler(s) for this service...
The command completed successfully