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转储控制文件

2016-06-06 10:04 465 查看
控制文件保存的信息:

DB名称,创建时间

所有数据文件和日志文件名称和路径

表空间信息

备份信息

检查点和SCN信息

SQL> show parameter keep_time

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

control_file_record_keep_time        integer     7

SQL> show parameter user_dump_dest

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

user_dump_dest                       string      /opt/oracle/admin/na/udump

删除此目录下所有文件,关闭数据库,启动数据库。

[oracle@localhost udump]$ pwd

/opt/oracle/admin/na/udump

[[oracle@localhost udump]$ ll

total 8

-rw-r----- 1 oracle dba 613 Aug 26 09:50 orcl_ora_4797.trc

-rw-r----- 1 oracle dba 866 Aug 26 09:50 orcl_ora_4829.trc

SQL> alter session set events 'immediate trace name controlf level 8';

Session altered.

total 60

-rw-r----- 1 oracle dba   613 Aug 26 09:50 orcl_ora_4797.trc

-rw-r----- 1 oracle dba 50734 Aug 26 09:54 orcl_ora_4829.trc

观察内容

***************************************************************************

DATABASE ENTRY

***************************************************************************

 (size = 316, compat size = 316, section max = 1, section in-use = 1,

  last-recid= 0, old-recno = 0, last-recno = 0)

 (extent = 1, blkno = 1, numrecs = 1)

 08/11/2010 21:01:57

 DB Name "NA"

 Database flags = 0x00404000 0x00001000

 Controlfile Creation Timestamp  08/11/2010 21:01:57

 Incmplt recovery scn: 0x0000.00000000

 Resetlogs scn: 0x0000.000716f7 Resetlogs Timestamp  08/11/2010 21:01:59

 Prior resetlogs scn: 0x0000.00000001 Prior resetlogs Timestamp  02/17/2008 01:50:35

 Redo Version: compatible=0xa200300

 #Data files = 8, #Online files = 8
 Database checkpoint: Thread=1 scn: 0x0000.000af7bd

 Threads: #Enabled=1, #Open=1, Head=1, Tail=1

enabled  threads:  01000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000

 Max log members = 3, Max data members = 1

 Arch list: Head=0, Tail=0, Force scn: 0x0000.0009e956scn: 0x0000.000716f7

 Activation ID: 2337406725

 Controlfile Checkpointed at scn:  0x0000.000afad4 08/26/2010 09:50:45

 thread:0 rba:(0x0.0.0)

 enabled  threads:  00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000

***************************************************************************

CHECKPOINT PROGRESS RECORDS

***************************************************************************

 (size = 8180, compat size = 8180, section max = 11, section in-use = 0,

  last-recid= 0, old-recno = 0, last-recno = 0)

 (extent = 1, blkno = 2, numrecs = 11)

THREAD #1 - status:0x2 flags:0x0 dirty:57
low cache rba:(0xa.55a.0) on disk rba:(0xa.606.0)

on disk scn: 0x0000.000afb55 08/26/2010 09:53:51

resetlogs scn: 0x0000.000716f7 08/11/2010 21:01:59

heartbeat: 728092354 mount id: 2338720304

THREAD #2 - status:0x0 flags:0x0 dirty:0

low cache rba:(0x0.0.0) on disk rba:(0x0.0.0)

on disk scn: 0x0000.00000000 01/01/1988 00:00:00

resetlogs scn: 0x0000.00000000 01/01/1988 00:00:00

heartbeat: 0 mount id: 0

THREAD #3 - status:0x0 flags:0x0 dirty:0

low cache rba:(0x0.0.0) on disk rba:(0x0.0.0)

on disk scn: 0x0000.00000000 01/01/1988 00:00:00

resetlogs scn: 0x0000.00000000 01/01/1988 00:00:00

heartbeat: 0 mount id: 0

THREAD #4 - status:0x0 flags:0x0 dirty:0

low cache rba:(0x0.0.0) on disk rba:(0x0.0.0)

on disk scn: 0x0000.00000000 01/01/1988 00:00:00

resetlogs scn: 0x0000.00000000 01/01/1988 00:00:00

heartbeat: 0 mount id: 0

THREAD #5 - status:0x0 flags:0x0 dirty:0

low cache rba:(0x0.0.0) on disk rba:(0x0.0.0)

on disk scn: 0x0000.00000000 01/01/1988 00:00:00

resetlogs scn: 0x0000.00000000 01/01/1988 00:00:00

heartbeat: 0 mount id: 0

THREAD #6 - status:0x0 flags:0x0 dirty:0

low cache rba:(0x0.0.0) on disk rba:(0x0.0.0)

on disk scn: 0x0000.00000000 01/01/1988 00:00:00

resetlogs scn: 0x0000.00000000 01/01/1988 00:00:00

heartbeat: 0 mount id: 0

THREAD #7 - status:0x0 flags:0x0 dirty:0

low cache rba:(0x0.0.0) on disk rba:(0x0.0.0)

on disk scn: 0x0000.00000000 01/01/1988 00:00:00

resetlogs scn: 0x0000.00000000 01/01/1988 00:00:00

heartbeat: 0 mount id: 0

***************************************************************************

REDO THREAD RECORDS

***************************************************************************

 (size = 256, compat size = 256, section max = 8, section in-use = 1,

  last-recid= 0, old-recno = 0, last-recno = 0)

 (extent = 1, blkno = 9, numrecs = 8)

THREAD #1 - status:0xf thread links forward:0 back:0

 #logs:3 first:1 last:3 current:1 last used seq#:0xa

 enabled at scn: 0x0000.000716f7 08/11/2010 21:01:59

 disabled at scn: 0x0000.00000000 01/01/1988 00:00:00

 opened at 08/26/2010 09:50:44 by instance ORCL

Checkpointed at scn:  0x0000.000af7bd 08/26/2010 09:50:44

 thread:1 rba:(0xa.559.10)

 enabled  threads:  01000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000

 log history: 9

 restore point keep sequence: 0

***************************************************************************

LOG FILE RECORDS

***************************************************************************

 (size = 72, compat size = 72, section max = 16, section in-use = 3,

  last-recid= 3, old-recno = 0, last-recno = 0)

 (extent = 1, blkno = 10, numrecs = 16)

LOG FILE #1:

  (name #3) /opt/oracle/oradata/na/redo01.log

 Thread 1 redo log links: forward: 2 backward: 0

 siz: 0x19000 seq: 0x0000000a hws: 0xb bsz: 512 nab: 0xffffffff flg: 0x8 dup: 1

 Archive links: fwrd: 0 back: 0 Prev scn: 0x0000.000a9382

 Low scn: 0x0000.000af13e 08/26/2010 09:30:04

 Next scn: 0xffff.ffffffff 01/01/1988 00:00:00

LOG FILE #2:

  (name #2) /opt/oracle/oradata/na/redo02.log

 Thread 1 redo log links: forward: 3 backward: 1

 siz: 0x19000 seq: 0x00000008 hws: 0x10 bsz: 512 nab: 0xd447 flg: 0x0 dup: 1

 Archive links: fwrd: 0 back: 0 Prev scn: 0x0000.000984b1

 Low scn: 0x0000.0009e956 08/20/2010 16:52:27

 Next scn: 0x0000.000a9382 08/25/2010 19:35:22

LOG FILE #3:

  (name #1) /opt/oracle/oradata/na/redo03.log

 Thread 1 redo log links: forward: 0 backward: 2

 siz: 0x19000 seq: 0x00000009 hws: 0xb bsz: 512 nab: 0x261f flg: 0x0 dup: 1

 Archive links: fwrd: 0 back: 0 Prev scn: 0x0000.0009e956

 Low scn: 0x0000.000a9382 08/25/2010 19:35:22

 Next scn: 0x0000.000af13e 08/26/2010 09:30:04

***************************************************************************

DATA FILE RECORDS

***************************************************************************

 (size = 428, compat size = 428, section max = 100, section in-use = 8,

  last-recid= 13, old-recno = 0, last-recno = 0)

 (extent = 1, blkno = 11, numrecs = 100)

DATA FILE #1:

  (name #7) /opt/oracle/oradata/na/system01.dbf

creation size=0 block size=8192 status=0xe head=7 tail=7 dup=1

 tablespace 0, index=1 krfil=1 prev_file=0

 unrecoverable scn: 0x0000.00000000 01/01/1988 00:00:00

 Checkpoint cnt:104 scn: 0x0000.000af7bd 08/26/2010 09:50:44

 Stop scn: 0xffff.ffffffff 08/26/2010 09:50:22

 Creation Checkpointed at scn:  0x0000.00000007 02/17/2008 01:50:54

 thread:0 rba:(0x0.0.0)

 enabled  threads:  00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
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