环境:ORACLE 11.2.0.1 但实例的ASM存储
故障:由于修改数据库参数设置错误,重启数据库导致无法启动
解决步骤:
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> create pfile='/tmp/pfile01.txt' from spfile;
create pfile='/tmp/pfile01.txt' from spfile
*
ERROR at line 1:
ORA-01565: error in identifying file '?/dbs/spfile@.ora'
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
SQL> create pfile='/tmp/pfilehidb' from spfile='+hi_data/hidb/spfilehidb.ora';
File created.
修改/tmp/pfilehidb内容正确后,重建spfiel
SQL> create spfile='+hi_data' from pfile='/tmp/pfilehidb';
File created.
用grid用户登录查看
ASMCMD> ls -al
Type Redund Striped Time Sys Name
Y ARCHIVELOG/
Y CONTROLFILE/
Y DATAFILE/
Y ONLINELOG/
Y TEMPFILE/
N spfilehidb.ora => +HI_DATA/DB_UNKNOWN/PARAMETERFILE/SPFILE.256.786449611
ASMCMD> cd ..
ASMCMD> ls
ASM/
DB_UNKNOWN/
HIDB/
发现自动创建了一个DB_UNKNOWN文件夹,通过查找资料发现是数据库没启动导致的,所以删除DB_UNKNOWN文件夹,重新来过
ASMCMD> rm DB_UNKNOWN
ORA-15032: not all alterations performed
ORA-15177: cannot operate on system aliases (DBD ERROR: OCIStmtExecute)
ASMCMD> cd hidb
ASMCMD> ls
ARCHIVELOG/
CONTROLFILE/
DATAFILE/
ONLINELOG/
TEMPFILE/
spfilehidb.ora
ASMCMD> rm spfilehidb.ora
ASMCMD> ls
ARCHIVELOG/
CONTROLFILE/
DATAFILE/
ONLINELOG/
TEMPFILE/
ASMCMD> cd ..
ASMCMD> ls
ASM/
DB_UNKNOWN/
HIDB/
ASMCMD> rm DB_UNKNOWN
ORA-15032: not all alterations performed
ORA-15177: cannot operate on system aliases (DBD ERROR: OCIStmtExecute) --无法删除此空目录,可以使用rm -rf 强行删除
ASMCMD> rm -r DB_UNKNOWN
You may delete multiple files and/or directories.
Are you sure? (y/n) y
ASMCMD> ls
ASM/
HIDB/
启动数据库重建spfiel
SQL> startup pfile='/tmp/pfilehidb'
ORACLE instance started.
Total System Global Area 8217530368 bytes
Fixed Size 2214856 bytes
Variable Size 1476396088 bytes
Database Buffers 6710886400 bytes
Redo Buffers 28033024 bytes
Database mounted.
Database opened.
SQL> create spfile='+hi_data/hidb/spfilehidb.ora' from pfile='/tmp/pfilehidb';
File created.
SQL> create spfile='+hi_data/hidb/spfilehidb.ora' from pfile='/tmp/pfilehidb';
File created.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
Total System Global Area 8217530368 bytes
Fixed Size 2214856 bytes
Variable Size 1476396088 bytes
Database Buffers 6710886400 bytes
Redo Buffers 28033024 bytes
Database mounted.
Database opened.
正常启动
查看asm存储
ASMCMD> pwd
+hi_data/hidb
ASMCMD> ls
CONTROLFILE/
DATAFILE/
ONLINELOG/
PARAMETERFILE/
TEMPFILE/
spfilehidb.ora
ASMCMD> ls -al
Type Redund Striped Time Sys Name
Y CONTROLFILE/
Y DATAFILE/
Y ONLINELOG/
Y PARAMETERFILE/
Y TEMPFILE/
N spfilehidb.ora => +HI_DATA/HIDB/PARAMETERFILE/spfile.271.786452791
ORACLE自动创建了一个PARAMETERFILE文件夹,并在hidb文件夹下启了一个spfilehidb.ora别名