ora-28547 連線伺服器失敗,可能是ORACLE NET 管理錯誤
1.平臺ORACLE10G RAC,反覆lsnrctl stop(start)但,結果還是此報錯!
2.用CRS_STATS檢視狀態
rac1-> crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora.....CRM.cs application OFFLINE OFFLINE
ora....db1.srv application OFFLINE OFFLINE
ora.devdb.db application ONLINE ONLINE rac2
ora....b1.inst application ONLINE ONLINE rac1
ora....b2.inst application ONLINE ONLINE rac2
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application OFFLINE OFFLINE
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE OFFLINE
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
可以看到狀態都為OFFLINE,雖然用lsnrctl status可以看到監聽已經起來了;
3.檢視LISTENER.ORA,註釋(PROGRAM = extproc)
rac1-> more listener.ora
# listener.ora.rac1 Network Configuration File: /u01/oracle/product/10.2.0/db_1/network/admin/listener.ora.rac1
# Generated by Oracle configuration tools.
LISTENER_RAC1 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip)(PORT = 1521)(IP = FIRST))
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.96.171)(PORT = 1521)(IP = FIRST))
)
)
SID_LIST_LISTENER_RAC1 =
(SID_LIST =
(SID_DESC =
(SID_NAME = devdb1)
(ORACLE_HOME = /u01/oracle/product/10.2.0/db_1)
# (PROGRAM = extproc)
)
)
4.2節點上分別執行
srvctl stop listener -n rac1
srvctl stop listener -n rac2
srvctl start listerner -n rac1
srvctl start listener -n rac2
5.再次檢視狀態,可以看到已經起來了
rac2-> crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora.....CRM.cs application OFFLINE OFFLINE
ora....db1.srv application OFFLINE OFFLINE
ora.devdb.db application ONLINE ONLINE rac2
ora....b1.inst application ONLINE ONLINE rac1
ora....b2.inst application ONLINE ONLINE rac2
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
6.再次用PL/SQL DEVELOPER連線,OK!