AMDU恢复ASM磁盘组数据(測)

--umount

ASMCMD> umoung -a asmdg

commands:

md_backup, md_restor

lsattr, setattr

cd, cp, du, find, help, ls, lsct, lsdg, lsof, mkalias

mkdir, pwd, rm, rmalias

chdg, chkdg, dropdg, iostat, lsdsk, lsod, mkdg, mount

offline, online, rebal, remap, umount

dsget, dsset, lsop, shutdown, spbackup, spcopy, spget

spmove, spset, startup

chtmpl, lstmpl, mktmpl, rmtmpl

chgrp, chmod, chown, groups, grpmod, lsgrp, lspwusr, lsusr

mkgrp, mkusr, orapwusr, passwd, rmgrp, rmus

volcreate, voldelete, voldisable, volenable, volinfo

volresize, volset, volstat

ASMCMD> umount -f asmdg

--amdu

[oracle@rac1 amdu_2014_07_21_17_39_19]$ amdu -extract ASMDG.259

amdu_2014_07_21_17_45_08/

[oracle@rac1 amdu_2014_07_21_17_39_19]$ ll

total 4

drwxr-xr-x 2 oracle oinstall 4096 Jul 21 17:45 amdu_2014_07_21_17_45_08

[oracle@rac1 amdu_2014_07_21_17_39_19]$ cd *

[oracle@rac1 amdu_2014_07_21_17_45_08]$ ll

total 21804

-rw-r--r-- 1 oracle oinstall 22290432 Jul 21 17:45 ASMDG_259.f

-rw-r--r-- 1 oracle oinstall 4885 Jul 21 17:45 report.txt

[oracle@rac1 amdu_2014_07_21_17_45_08]$ more *txt

-*-amdu-*-

******************************* AMDU Settings ********************************

ORACLE_HOME = /orac/orahome/app/11.2.0/grid

System name: Linux

Node name: rac1

Release: 2.6.32-200.13.1.el5uek

Version: #1 SMP Wed Jul 27 20:21:26 EDT 2011

Machine: i686

amdu run: 21-JUL-14 17:45:08

Endianess: 1

----------------------------- DISK REPORT N0001 ------------------------------

Disk Path: ORCL:VOL1

Unique Disk ID:

Disk Label: VOL1

Physical Sector Size: 512 bytes

Disk Size: 10236 megabytes

Group Name: ASMDG

Disk Name: VOL1

Failure Group Name: VOL1

Disk Number: 0

Header Status: 3

Disk Creation Time: 2014/06/01 18:59:30.870000

Last Mount Time: 2014/07/08 08:28:54.180000

Compatibility Version: 0x0b200000(11020000)

Disk Sector Size: 512 bytes

Disk size in AUs: 10236 AUs

Group Redundancy: 1

Metadata Block Size: 4096 bytes

AU Size: 1048576 bytes

Stride: 113792 AUs

Group Creation Time: 2014/06/01 18:59:30.618000

File 1 Block 1 location: AU 2

OCR Present: NO

----------------------------- DISK REPORT N0002 ------------------------------

Disk Path: ORCL:VOL2

Unique Disk ID:

Disk Label: VOL2

Physical Sector Size: 512 bytes

Disk Size: 10236 megabytes

Group Name: ASMDG

Disk Name: VOL2

Failure Group Name: VOL2

Disk Number: 1

Header Status: 3

Disk Creation Time: 2014/06/01 18:59:30.870000

Last Mount Time: 2014/07/08 08:28:54.180000

Compatibility Version: 0x0b200000(11020000)

Disk Sector Size: 512 bytes

Disk size in AUs: 10236 AUs

Group Redundancy: 1

Metadata Block Size: 4096 bytes

AU Size: 1048576 bytes

Stride: 113792 AUs

Group Creation Time: 2014/06/01 18:59:30.618000

File 1 Block 1 location: AU 0

OCR Present: NO

***************** Slept for 6 seconds waiting for heartbeats *****************

************************** SCANNING DISKGROUP ASMDG **************************

Creation Time: 2014/06/01 18:59:30.618000

Disks Discovered: 2

Redundancy: 1

AU Size: 1048576 bytes

Metadata Block Size: 4096 bytes

Physical Sector Size: 512 bytes

Metadata Stride: 113792 AU

Duplicate Disk Numbers: 0

----------------------- SCANNING DISK N0001 -----------------------------

Disk N0001: 'ORCL:VOL1'

Allocated AU's: 780

Free AU's: 9456

AU's read for dump: 0

Block images saved: 0

Map lines written: 0

Heartbeats seen: 0

Corrupt metadata blocks: 0

Corrupt AT blocks: 0

---------------------------- SCANNING DISK N0002 -----------------------------

Disk N0002: 'ORCL:VOL2'

Allocated AU's: 773

Free AU's: 9463

AU's read for dump: 0

Block images saved: 0

Map lines written: 0

Heartbeats seen: 0

Corrupt metadata blocks: 0

Corrupt AT blocks: 0

------------------------ SUMMARY FOR DISKGROUP ASMDG -------------------------

Allocated AU's: 1553

Free AU's: 18919

AU's read for dump: 0

Block images saved: 0

Map lines written: 0

Heartbeats seen: 0

Corrupt metadata blocks: 0

Corrupt AT blocks: 0

************************* EXTRACTING FILE ASMDG.259 **************************

Creating file: ASMDG_259.f

Extraction wrote: 22290432 bytes

Stripe size: 1048576 bytes

Stripe columns: 1

Mirror copies: 1

Block size: 8192 bytes

File size: 2721 blocks

File type: 12

Extent size #1: 4294967295 extents of 1 AUs

Extent size #2: 0 extents of 1 AUs

Extent size #3: 0 extents of 1 AUs

Extent size #4: 4294967295 extents of 1 AUs

Creation time: 2014/06/01 19:03:04.399000

Modified time: 2014/07/21 17:00:00.000000

Data extents in file: 22

Data extents found: 22

Blocks not found: 0 blocks

******************************* END OF REPORT ********************************

[oracle@rac1 amdu_2014_07_21_17_45_08]$ rm -rf *

--mount

ASMCMD> mount asmdg

ASMCMD> lsdg

State Type Rebal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name

MOUNTED EXTERN N 512 4096 1048576 20472 18919 0 18919 0 N ASMDG/

[oracle@rac1 amdu_2014_07_21_17_45_08]$ amdu -extract ASMDG.259

amdu_2014_07_21_17_46_09/

AMDU-00204: Disk N0001 is in currently mounted diskgroup ASMDG

AMDU-00201: Disk N0001: 'ORCL:VOL1'

[oracle@rac1 amdu_2014_07_21_17_45_08]$ ll

total 4

drwxr-xr-x 2 oracle oinstall 4096 Jul 21 17:46 amdu_2014_07_21_17_46_09

[oracle@rac1 amdu_2014_07_21_17_45_08]$ cd *

[oracle@rac1 amdu_2014_07_21_17_46_09]$ ll

total 21804

-rw-r--r-- 1 oracle oinstall 22290432 Jul 21 17:46 ASMDG_259.f

-rw-r--r-- 1 oracle oinstall 5009 Jul 21 17:46 report.txt

[oracle@rac1 amdu_2014_07_21_17_46_09]$

听说：

asm磁盘元数据不能够损坏。不然，无法数据回复。

备份与维护

ASMCMD>

ASMCMD> md_backup /tmp/oradgbackup_20140721

Disk group metadata to be backed up: ASMDG

Current alias directory path: ASMDB/ONLINELOG

Current alias directory path: ASMDB

Current alias directory path: ASMDB/TEMPFILE

Current alias directory path: ASM/DATAFILE

Current alias directory path: ASMDB/DATAFILE

Current alias directory path: ASM/ASMPARAMETERFILE

Current alias directory path: ASMDB/PARAMETERFILE

Current alias directory path: ASM

Current alias directory path: ASMDB/CONTROLFILE

[oracle@rac1 ~]$ more /tmp/oradgbackup_20140721

@diskgroup_set = (

{

'ATTRINFO' => {

'TEMPLATE.PARAMETERFILE.MIRROR_REGION' => '0',

'TEMPLATE.TEMPFILE.REDUNDANCY' => '17',

'TEMPLATE.OCRBACKUP.REDUNDANCY' => '17',

'TEMPLATE.TEMPFILE.MIRROR_REGION' => '0',

'TEMPLATE.PARAMETERFILE.REDUNDANCY' => '17',

'SECTOR_SIZE' => '512',

'TEMPLATE.DATAGUARDCONFIG.REDUNDANCY' => '17',

'ACCESS_CONTROL.UMASK' => '066',

'TEMPLATE.ASM_STALE.STRIPE' => '0',

'TEMPLATE.ARCHIVELOG.STRIPE' => '0',

'TEMPLATE.DATAGUARDCONFIG.PRIMARY_REGION' => '0',

'TEMPLATE.OCRBACKUP.STRIPE' => '0',

'TEMPLATE.DATAFILE.STRIPE' => '0',

'AU_SIZE' => '1048576',

'TEMPLATE.ASMPARAMETERFILE.STRIPE' => '0',

'TEMPLATE.CHANGETRACKING.PRIMARY_REGION' => '0',

'TEMPLATE.CONTROLFILE.REDUNDANCY' => '17',

'TEMPLATE.FLASHFILE.STRIPE' => '0',

'TEMPLATE.BACKUPSET.PRIMARY_REGION' => '0',

'TEMPLATE.ARCHIVELOG.PRIMARY_REGION' => '0',

'TEMPLATE.CHANGETRACKING.STRIPE' => '0',

'TEMPLATE.ONLINELOG.PRIMARY_REGION' => '0',

'TEMPLATE.CHANGETRACKING.REDUNDANCY' => '17',

'TEMPLATE.BACKUPSET.STRIPE' => '0',

'TEMPLATE.OCRFILE.MIRROR_REGION' => '0',

'DISK_REPAIR_TIME' => '3.6h',

'TEMPLATE.FLASHBACK.MIRROR_REGION' => '0',

'TEMPLATE.AUTOBACKUP.REDUNDANCY' => '17',

'TEMPLATE.DUMPSET.REDUNDANCY' => '17',

'TEMPLATE.ASM_STALE.REDUNDANCY' => '17',

'TEMPLATE.DUMPSET.PRIMARY_REGION' => '0',

'TEMPLATE.DUMPSET.MIRROR_REGION' => '0',

'TEMPLATE.FLASHBACK.PRIMARY_REGION' => '0',

'TEMPLATE.CONTROLFILE.STRIPE' => '1',

'TEMPLATE.DATAFILE.REDUNDANCY' => '17',

'TEMPLATE.XTRANSPORT.REDUNDANCY' => '17',

'TEMPLATE.AUTOBACKUP.PRIMARY_REGION' => '0',

'TEMPLATE.CONTROLFILE.MIRROR_REGION' => '0',

'TEMPLATE.DATAFILE.PRIMARY_REGION' => '0',

'TEMPLATE.ASMPARAMETERFILE.REDUNDANCY' => '17',

'TEMPLATE.FLASHFILE.MIRROR_REGION' => '0',

'TEMPLATE.ASM_STALE.MIRROR_REGION' => '0',

'TEMPLATE.FLASHBACK.REDUNDANCY' => '17',

'TEMPLATE.DATAGUARDCONFIG.STRIPE' => '0',

'CELL.SMART_SCAN_CAPABLE' => 'FALSE',

'TEMPLATE_VERSION' => '186646528',

'TEMPLATE.PARAMETERFILE.STRIPE' => '0',

'TEMPLATE.DATAFILE.MIRROR_REGION' => '0',

'TEMPLATE.PARAMETERFILE.PRIMARY_REGION' => '0',

'TEMPLATE.BACKUPSET.MIRROR_REGION' => '0',

'TEMPLATE.OCRBACKUP.MIRROR_REGION' => '0',

'TEMPLATE.ONLINELOG.REDUNDANCY' => '17',

'TEMPLATE.ASMPARAMETERBAKFILE.STRIPE' => '0',

'ACCESS_CONTROL.ENABLED' => 'FALSE',

'TEMPLATE.DATAGUARDCONFIG.MIRROR_REGION' => '0',

'TEMPLATE.TEMPFILE.PRIMARY_REGION' => '0',

'COMPATIBLE.RDBMS' => '10.1.0.0.0',

'TEMPLATE.FLASHFILE.PRIMARY_REGION' => '0',

'TEMPLATE.ONLINELOG.MIRROR_REGION' => '0',

'TEMPLATE.FLASHFILE.REDUNDANCY' => '17',

'TEMPLATE.OCRBACKUP.PRIMARY_REGION' => '0',

'TEMPLATE.OCRFILE.STRIPE' => '0',

'TEMPLATE.ASM_STALE.PRIMARY_REGION' => '0',

'TEMPLATE.AUTOBACKUP.MIRROR_REGION' => '0',

'TEMPLATE.XTRANSPORT.PRIMARY_REGION' => '0',

'TEMPLATE.ASMPARAMETERBAKFILE.PRIMARY_REGION' => '0',

'TEMPLATE.DUMPSET.STRIPE' => '0',

'TEMPLATE.TEMPFILE.STRIPE' => '0',

'TEMPLATE.OCRFILE.PRIMARY_REGION' => '0',

'TEMPLATE.ONLINELOG.STRIPE' => '0',

'TEMPLATE.ARCHIVELOG.REDUNDANCY' => '17',

'TEMPLATE.OCRFILE.REDUNDANCY' => '17',

'TEMPLATE.ARCHIVELOG.MIRROR_REGION' => '0',

'TEMPLATE.ASMPARAMETERFILE.MIRROR_REGION' => '0',

'TEMPLATE.FLASHBACK.STRIPE' => '0',

'TEMPLATE.XTRANSPORT.MIRROR_REGION' => '0',

'TEMPLATE.CONTROLFILE.PRIMARY_REGION' => '0',

'TEMPLATE.BACKUPSET.REDUNDANCY' => '17',

'TEMPLATE.XTRANSPORT.STRIPE' => '0',

'TEMPLATE.ASMPARAMETERBAKFILE.REDUNDANCY' => '17',

'TEMPLATE.CHANGETRACKING.MIRROR_REGION' => '0',

'COMPATIBLE.ASM' => '11.2.0.0.0',

'TEMPLATE.ASMPARAMETERFILE.PRIMARY_REGION' => '0',

'TEMPLATE.ASMPARAMETERBAKFILE.MIRROR_REGION' => '0',

'TEMPLATE.AUTOBACKUP.STRIPE' => '0'

},

'DISKSINFO' => {

'VOL1' => {

'VOL1' => {

'TOTAL_MB' => '10236',

'FAILGROUP' => 'VOL1',

'NAME' => 'VOL1',

'DGNAME' => 'ASMDG',

'PATH' => 'ORCL:VOL1'

}

},

'VOL2' => {

'VOL2' => {

'TOTAL_MB' => '10236',

'FAILGROUP' => 'VOL2',

'NAME' => 'VOL2',

'DGNAME' => 'ASMDG',

'PATH' => 'ORCL:VOL2'

}

}

},

'DGINFO' => {

'DGTORESTORE' => 0,

'DGCOMPAT' => '11.2.0.0.0',

'DGNAME' => 'ASMDG',

'DGDBCOMPAT' => '10.1.0.0.0',

'DGTYPE' => 'EXTERN',

'DGAUSZ' => '1048576'

},

'ALIASINFO' => {

'6' => {

'DGNAME' => 'ASMDG',

'LEVEL' => 1,

'ALIASNAME' => 'ASMDB/ONLINELOG',

'REFERENCE_INDEX' => '16777534'

},

'3' => {

'DGNAME' => 'ASMDG',

'LEVEL' => 1,

'ALIASNAME' => 'ASM/DATAFILE',

'REFERENCE_INDEX' => '16777693'

},

'7' => {

'DGNAME' => 'ASMDG',

'LEVEL' => 1,

'ALIASNAME' => 'ASMDB/TEMPFILE',

'REFERENCE_INDEX' => '16777587'

},

'2' => {

'DGNAME' => 'ASMDG',

'LEVEL' => 1,

'ALIASNAME' => 'ASM/ASMPARAMETERFILE',

'REFERENCE_INDEX' => '16777322'

},

'8' => {

'DGNAME' => 'ASMDG',

'LEVEL' => 1,

'ALIASNAME' => 'ASMDB/DATAFILE',

'REFERENCE_INDEX' => '16777428'

},

'1' => {

'DGNAME' => 'ASMDG',

'LEVEL' => 0,

'ALIASNAME' => 'ASMDB',

'REFERENCE_INDEX' => '16777375'

},

'4' => {

'DGNAME' => 'ASMDG',

'LEVEL' => 1,

'ALIASNAME' => 'ASMDB/PARAMETERFILE',

'REFERENCE_INDEX' => '16777640'

},

'0' => {

'DGNAME' => 'ASMDG',

'LEVEL' => 0,

'ALIASNAME' => 'ASM',

'REFERENCE_INDEX' => '16777269'

},

'5' => {

'DGNAME' => 'ASMDG',

'LEVEL' => 1,

'ALIASNAME' => 'ASMDB/CONTROLFILE',

'REFERENCE_INDEX' => '16777481'

}

},

'TEMPLATEINFO' => {

'11' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'AUTOBACKUP',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'7' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'ONLINELOG',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'2' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'ASMPARAMETERBAKFILE',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'17' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'OCRBACKUP',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'1' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'ASM_STALE',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'18' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'ASMPARAMETERFILE',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'0' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'PARAMETERFILE',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'16' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'OCRFILE',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'13' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'CHANGETRACKING',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'6' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'ARCHIVELOG',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'3' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'DUMPSET',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'9' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'TEMPFILE',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'12' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'XTRANSPORT',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'14' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'FLASHBACK',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'15' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'DATAGUARDCONFIG',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'8' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'DATAFILE',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'4' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'FINE',

'TEMPNAME' => 'CONTROLFILE',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'10' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'BACKUPSET',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

},

'5' => {

'DGNAME' => 'ASMDG',

'STRIPE' => 'COARSE',

'TEMPNAME' => 'FLASHFILE',

'REDUNDANCY' => 'UNPROT',

'SYSTEM' => 'Y'

}

}

}

);

[oracle@rac1 ~]$

相关网址和实验 (步步为营的恢复)

http://www.xifenfei.com/2936.html

http://www.xifenfei.com/2616.html

http://www.xifenfei.com/5249.html

其它相关网址

http://www.askmaclean.com/archives/know-oracle-asm.html

http://www.killdb.com/2013/01/07/oracle-asm-剖析系列1.html

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