oracle数据库起不来，内容如下，求解！
SQL> alter system set undo_tablespace=undotbs9 scope=both;alter system set undo_tablespace=undotbs9 scope=both
*
ERROR at line 1:
ORA-02097: parameter cannot be modified because specified value is invalid
ORA-01219: database not open: queries allowed on fixed tables/views only
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01092: ORACLE instance terminated. Disconnection forced
Process ID: 18970
Session ID: 885 Serial number: 5
SQL>startup upgrade;
ORA-24324: service handle not initialized
ORA-01041: internal error. hostdef extension doesn't exist
SQL>
oracle@linux:/oracle/app/product/11g/db> oerr ora 01092
01092, 00000, "ORACLE instance terminated. Disconnection forced"
// *Cause:The instance this process was connected to was terminated
// abnormally, probably via a shutdown abort. This process
// was forced to disconnect from the instance.
// *Action: Examine the alert log for more details. When the instance has been
// restarted, retry action.
oracle@linux:/oracle/app/product/11g/db>
alert日志如下：Thread 1 advanced to log sequence 11334 (thread open)
Thread 1 opened at log sequence 11334
Current log# 3 seq# 11334 mem# 0: /oracle/app/oradata/ora11g/redo03.log
Successful open of redo thread 1
ARC2: Becoming the 'no FAL' ARCH
ARC2: Becoming the 'no SRL' ARCH
ARC0: Becoming the heartbeat ARCH
SMON: enabling cache recovery
Errors in file /oracle/app/diag/rdbms/ora11g/ora11g/trace/ora11g_ora_17155.trc:
ORA-30012: undo tablespace 'UNDOTBS1' does not exist or of wrong type
Error 30012 happened during db open, shutting down database
USER (ospid: 17155): terminating the instance due to error 30012
Instance terminated by USER, pid = 17155
ORA-1092 signalled during: ALTER DATABASE OPEN...
ORA-1092 : opiodr aborting process unknown ospid (17155_140602872239872)
Fri Apr 26 19:48:12 2013
ORA-1092 : opitsk aborting process
Fri Apr 26 20:06:23 2013
Starting ORACLE instance (normal)
LICENSE_MAX_SESSION = 0
LICENSE_SESSIONS_WARNING = 0
Picked latch-free SCN scheme 3
Autotune of undo retention is turned on.
IMODE=BR
ILAT =97
LICENSE_MAX_USERS = 0
SYS auditing is disabled
Starting up ORACLE RDBMS Version: 11.1.0.7.0.
Using parameter settings in server-side spfile /oracle/app/product/11g/db/dbs/spfileora11g.ora
System parameters with non-default values:
processes = 800
sga_max_size = 8G
sga_target = 8G
memory_target = 12G
memory_max_target = 12G
control_files = "/oracle/app/oradata/ora11g/control01.ctl"
control_files = "/oracle/app/oradata/ora11g/control02.ctl"
control_files = "/oracle/app/oradata/ora11g/control03.ctl"
db_block_size = 8192
compatible = "11.1.0.0.0"
log_archive_dest_1 = "location=/oracle/app/arch/dzh"
log_buffer = 3145728
log_checkpoint_interval= 0
"alert_ora11g.log" 1712721L, 83931597C 1712579,1 99%
Database mounted in Exclusive Mode
Lost write protection disabled
Completed: ALTER DATABASE MOUNT
Fri Apr 26 20:07:25 2013
alter database open
Beginning crash recovery of 1 threads
parallel recovery started with 7 processes
Started redo scan
Completed redo scan
1 redo blocks read, 0 data blocks need recovery
Started redo application at
Thread 1: logseq 11334, block 2, scn 93344370
Recovery of Online Redo Log: Thread 1 Group 3 Seq 11334 Reading mem 0
Mem# 0: /oracle/app/oradata/ora11g/redo03.log
Completed redo application of 0.00MB
Completed crash recovery at
Thread 1: logseq 11334, block 3, scn 93364372
0 data blocks read, 0 data blocks written, 1 redo blocks read
Fri Apr 26 20:07:27 2013
LGWR: STARTING ARCH PROCESSES
Fri Apr 26 20:07:27 2013
ARC0 started with pid=27, OS id=19039
Fri Apr 26 20:07:27 2013
ARC1 started with pid=28, OS id=19041
Fri Apr 26 20:07:27 2013
ARC2 started with pid=29, OS id=19043
ARC0: Archival started
Fri Apr 26 20:07:27 2013
ARC3 started with pid=30, OS id=19045
ARC1: Archival started
ARC2: Archival started
ARC3: Archival started
LGWR: STARTING ARCH PROCESSES COMPLETE
ARC3: Becoming the 'no FAL' ARCH
ARC3: Becoming the 'no SRL' ARCH
ARC2: Becoming the heartbeat ARCH
Archived Log entry 85 added for thread 1 sequence 11332 ID 0xf94b721e dest 1:
Archived Log entry 86 added for thread 1 sequence 11333 ID 0xf94b721e dest 1:
Thread 1 advanced to log sequence 11335 (thread open)
Thread 1 opened at log sequence 11335
Current log# 1 seq# 11335 mem# 0: /oracle/app/oradata/ora11g/redo01.log
Successful open of redo thread 1
Fri Apr 26 20:07:29 2013
SMON: enabling cache recovery
Errors in file /oracle/app/diag/rdbms/ora11g/ora11g/trace/ora11g_ora_18970.trc:
ORA-30012: undo tablespace 'UNDOTBS1' does not exist or of wrong type
Error 30012 happened during db open, shutting down database
USER (ospid: 18970): terminating the instance due to error 30012
Instance terminated by USER, pid = 18970
ORA-1092 signalled during: alter database open...
ORA-1092 : opiodr aborting process unknown ospid (18970_140278976595712)
Fri Apr 26 20:07:31 2013
ORA-1092 : opitsk aborting process
其中，'UNDOTBS1'表空间我刚刚已经drop成功了，我现在重建了undotbs9表空间，
SQL> alter system set undo_tablespace=undotbs9 scope=both;
alter system set undo_tablespace=undotbs9 scope=both
*
ERROR at line 1:
ORA-02097: parameter cannot be modified because specified value is invalid
ORA-01219: database not open: queries allowed on fixed tables/views only
startup force也启动不了，要怎么启动，才能把默认的undo表空间，修改为undotbs9 这个表空间？
SQL> startup force;
ORA-32004: obsolete and/or deprecated parameter(s) specified
ORACLE instance started.
Total System Global Area 8551575552 bytes
Fixed Size 2176808 bytes
Variable Size 2382366936 bytes
Database Buffers 6157238272 bytes
Redo Buffers 9793536 bytes
Database mounted.
ORA-01092: ORACLE instance terminated. Disconnection forced
Process ID: 20077
Session ID: 885 Serial number: 5
SQL> 1.先查看一下，你新创建的undo表空间的名字：
SQL> select name from v$tablespace where name like 'UNDO%';
2.修改 $ORACLE_HOME/dbs/init$ORACLE_SID.ora
设置*.undo_tablespace='第1步查询出来的undo表空间的名字'
3.重新启动
SQL> shutdown;
SQL> startup mount;
SQL> alter database open;
SQL> show parameter undo;
4.问题解决
祝你好运。 SQL> select name from v$tablespace where name like 'UNDO%';
NAME
------------------------------
UNDOTBS9
修改了spfile<sid>.ora文件之后，重启，如下：查看表空间还是使用了UNDOTBS1这个表空间啊，
SQL> shutdown;
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORA-32004: obsolete and/or deprecated parameter(s) specified
ORACLE instance started.
Total System Global Area 1.6769E+10 bytes
Fixed Size 2176400 bytes
Variable Size 9294580336 bytes
Database Buffers 7449083904 bytes
Redo Buffers 23277568 bytes
Database mounted.
SQL> show parameter undo;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
undo_management string AUTO
undo_retention integer 1800
undo_tablespace string UNDOTBS1
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01092: ORACLE instance terminated. Disconnection forced
Process ID: 4461
Session ID: 885 Serial number: 5
SQL>
问题解决了，我自己说下解决方法吧：
SQL> show parameter undo;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
undo_management string AUTO
undo_retention integer 1800
undo_tablespace string UNDOTBS1
上面undo表空间还是undotbs1的原因是，startup启动的还是使用原理的spfile文件，现在需要，先用修改过的pfile文件启动，具体步骤如下：
1，create pfile='$path/ora.ora' from spfile；
vi pfile
*.undo_tablespace='UNDOTBS9'
2，shutdown ;/shutdown immediate;/shutdown abort;
3,startup pfile='$path/ora.ora';
4,create spfile from pfile=$path/file.name ;
5,shutdown;
6,startup;
SQL> show parameter undo;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
undo_management string MANUAL
undo_retention integer 100
undo_tablespace string UNDOTBS9
SQL> alter system set undo_management='AUTO' scope=spfile;
System altered.
SQL> show parameter undo;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
undo_management string MANUAL 修改之后需要重启才能生效。
undo_retention integer 100
undo_tablespace string UNDOTBS9
SQL> shutdown immediate;
Database closed.
Database dismounted.
SQL> startup;
ORA-32004: obsolete and/or deprecated parameter(s) specified
ORACLE instance started.
Total System Global Area 8551575552 bytes
Fixed Size 2176808 bytes
Variable Size 2382366936 bytes
Database Buffers 6157238272 bytes
Redo Buffers 9793536 bytes
Database mounted.
Database opened.
忘了说修改方式了：
alter system set undo_management='AUTO' scope=spfile;
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