[oracle@zen2 ~]$ echo $ORACLE_SID ORAC [oracle@zen2 ~]$ sqlplus /nolog SQL*Plus: Release 10.2.0.5.0 - Production on Mon Dec 23 11:13:08 2013 Copyright (c) 1982, 2010, Oracle. All Rights Reserved. SQL> exit [oracle@zen2 ~]$ crs_stat -t Name Type Target State Host ------------------------------------------------------------ ora....C1.inst application ONLINE ONLINE zen1 ora....C2.inst application ONLINE ONLINE zen2 ora.ORAC.db application ONLINE ONLINE zen2 ora....SM1.asm application ONLINE ONLINE zen1 ora....N1.lsnr application ONLINE ONLINE zen1 ora.zen1.gsd application ONLINE ONLINE zen1 ora.zen1.ons application ONLINE ONLINE zen1 ora.zen1.vip application ONLINE ONLINE zen1 ora....SM2.asm application ONLINE ONLINE zen2 ora....N2.lsnr application ONLINE ONLINE zen2 ora.zen2.gsd application ONLINE ONLINE zen2 ora.zen2.ons application ONLINE ONLINE zen2 ora.zen2.vip application ONLINE ONLINE zen2 [oracle@zen2 ~]$ sqlplus /nolog SQL*Plus: Release 10.2.0.5.0 - Production on Mon Dec 23 11:14:16 2013 Copyright (c) 1982, 2010, Oracle. All Rights Reserved. SQL> conn /as sysdba Connected to an idle instance. SQL> show parameters sga ORA-01034: ORACLE not available
数据库明明是启动的啊，于是继续查看
SQL> show user USER is "SYS" SQL> startup ORA-01078: failure in processing system parameters LRM-00109: could not open parameter file '/u01/oracle/product/db_1/dbs/initORAC.ora' SQL> exit Disconnected [oracle@zen2 ~]$ cd /u01/oracle/product/db_1/dbs/ [oracle@zen2 dbs]$ ll total 52 -rw-rw---- 1 oracle oinstall 1477 Dec 23 09:07 ab_+ASM2.dat -rw-rw---- 1 oracle oinstall 1544 Dec 23 09:11 hc_+ASM2.dat -rw-rw---- 1 oracle oinstall 1544 Dec 23 09:11 hc_ORAC2.dat lrwxrwxrwx 1 oracle oinstall 37 Dec 20 17:42 init+ASM2.ora -> /u01/oracle/admin/+ASM/pfile/init.ora -rw-r--r-- 1 oracle oinstall 12920 May 3 2001 initdw.ora -rw-r----- 1 oracle oinstall 8385 Sep 11 1998 init.ora -rw-r----- 1 oracle oinstall 34 Dec 20 18:42 initORAC2.ora -rw-r----- 1 oracle oinstall 1536 Dec 20 17:42 orapw+ASM2 -rw-r----- 1 oracle oinstall 1536 Dec 20 18:36 orapwORAC2 [oracle@zen2 dbs]$ cat initORAC2.ora SPFILE='+ZEN/ORAC/spfileORAC.ora'
google了一下，原文 https://community.oracle.com/thread/2330291?start=0&tstart=0
一个类似的问题之后修改了一下配置文件中的ORACLE_SID=ORAC2
重新登录，问题解决。