--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, rema
--umount
ASMCMD> umoung -a asmdg
commands: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磁盘元数据不可以损坏,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
其他相关网址
http://www.askmaclean.com/archives/know-oracle-asm.html
http://www.killdb.com/2013/01/07/oracle-asm-剖析系列1.html