此例在RAC数据库一个节点正常启动时报错的解决过程

[oracle@rac1 ~]$ sqlplus /nolog
SQL*Plus: Release 10.2.0.1.0 - Production on Mon Aug 27 09:38:54 2012

SQL> conn /as sysdba
Connected to an idle instance.
SQL> startup
ORA-01078: failure in processing system parameters
ORA-01565: error in identifying file '+DATA/racdb/spfileracdb.ora'
ORA-17503: ksfdopn:2 Failed to open file +DATA/racdb/spfileracdb.ora
ORA-15077: could not locate ASM instance serving a required diskgroup

[oracle@rac1 ~]$ export ORACLE_SID=+ASM1
[oracle@rac1 ~]$ sqlplus /nolog

SQL*Plus: Release 10.2.0.1.0 - Production on Mon Aug 27 09:48:53 2012

SQL> conn /as sysdba
Connected to an idle instance.
SQL> shutdown immediate
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux Error: 2: No such file or directory
SQL> startup
ORACLE instance started.

Total System Global Area   92274688 bytes
Fixed Size                  1217884 bytes
Variable Size              65890980 bytes
ASM Cache                  25165824 bytes
ORA-15000: command disallowed by current instance type

SQL> select name,state from v$asm_diskgroup;

NAME                           STATE
------------------------------ -----------
DATA                           DISMOUNTED

SQL> alter diskgroup data mount;

Diskgroup altered.

SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
[oracle@rac1 ~]$ export ORACLE_SID=racdb1
[oracle@rac1 ~]$ sqlplus /nolog

SQL*Plus: Release 10.2.0.1.0 - Production on Mon Aug 27 09:51:28 2012

SQL> conn /as sysdba
Connected to an idle instance.
SQL> startup
ORACLE instance started.

Total System Global Area 536870912 bytes
Fixed Size                  1220432 bytes
Variable Size             163578032 bytes
Database Buffers          369098752 bytes
Redo Buffers                2973696 bytes
Database mounted.
Database opened.
SQL>

其实，此例是因为ASM磁盘没有挂载，而参数文件又在ASM磁盘上。启动实例第一阶段就无法读取参数文件所致。

ITPub博客

RAC启动报错ORA-01078 ORA-01565 ORA-17503 ORA-15077

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