LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = raccontroller.cc)(PORT = 1521))
    )
  )

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = orcl.raccontroller.cc)
      (SID_NAME = orcl)
      (ORACLE_HOME = /ruiy/ocr/DBSoftware/app/oracle/product/11.2.0/dbhome_1)
    )
  )
ADR_BASE_LISTENER = /ruiy/ocr/DBSoftware/app/oracle

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2，Instance "ruiy", status UNKNOWN, has 1 handler(s) for this service...

就是你的/ruiy/ocr/DBSoftware/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora中建的监听,没在tnsnames.ora中加

listener.ora文件Example

LISTENER =

  (DESCRIPTION_LIST =

    (DESCRIPTION =

      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))

      (ADDRESS = (PROTOCOL = TCP)(HOST = raccontroller.cc)(PORT = 1521))

    )

  )

SID_LIST_LISTENER =

  (SID_LIST =

    (SID_DESC =

      (GLOBAL_DBNAME = orcl.raccontroller.cc)

      (SID_NAME = orcl)

      (ORACLE_HOME = /ruiy/ocr/DBSoftware/app/oracle/product/11.2.0/dbhome_1)

    )

   (SID_DESC =

      (GLOBAL_DBNAME = ruiy.raccontroller.cc)

      (SID_NAME = ruiy)

      (ORACLE_HOME = /ruiy/ocr/DBSoftware/app/oracle/product/11.2.0/dbhome_1)

    )

  )

ADR_BASE_LISTENER = /ruiy/ocr/DBSoftware/app/oracle

tnsnames.ora文件Example

ORCL =

  (DESCRIPTION =

    (ADDRESS = (PROTOCOL = TCP)(HOST = raccontroller.cc)(PORT = 1521))

    (CONNECT_DATA =

      (SERVER = DEDICATED)

      (SERVICE_NAME = orcl.raccontroller.cc)

    )

  )

RUIY =

  (DESCRIPTION =

    (ADDRESS = (PROTOCOL = TCP)(HOST = raccontroller.cc)(PORT = 1521))

    (CONNECT_DATA =

      (SERVER = DEDICATED)

      (SERVICE_NAME = ruiy.raccontroller.cc)

    )

  )

global_dbname

sid_name

service_name

instance_name