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Oracle故障处理:ASM手动修复磁盘头

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Oracle故障处理:ASM手动修复磁盘头

1,磁盘组中,其中一个磁盘头损坏

[oracle@asm10g ~]$ dd if=/dev/zero of=/dev/mapper/asm6 bs=1024 count=11+0 records in1+0 records out1024 bytes (1.0 kB) copied, 1.6e-05 seconds, 64 MB/s

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SQL> alter diskgroup test mount;alter diskgroup test mount*ERROR at line 1:ORA-15032: not all alterations performedORA-15040: diskgroup is incompleteORA-15042: ASM disk "2" is missingSQL> l1* select a.disk_number,a.path,a.name,a.state,b.name from v$asm_disk a ,v$asm_diskgroup b where a.group_number=b.group_numberSQL> /DISK_NUMBER PATH                 NAME                           STATE    NAME———– ——————– —————————— ——– ——————————0 /dev/mapper/asm4                                    NORMAL   TEST1 /dev/mapper/asm5                                    NORMAL   TEST2 /dev/mapper/asm6                                    NORMAL   TEST0 /dev/mapper/asm3     ARCH_0000                      NORMAL   ARCH1 /dev/mapper/asm2     DATA_0001                      NORMAL   DATA0 /dev/mapper/asm1     DATA_0000                      NORMAL   DATA[oracle@asm10g ~]$ ./test.sh 1 0 1000 /dev/mapper/asm4 KFBTYP_DISKDIR[oracle@asm10g ~]$ ./test.sh 1 0 1000 /dev/mapper/asm5 KFBTYP_DISKDIR[oracle@asm10g ~]$ ./test.sh 1 0 1000 /dev/mapper/asm6 KFBTYP_DISKDIRKFBTYP_DISKDIR–blocks number–512–extent number—2—-block number—0——KFBTYP_DISKDIR–blocks number–513–extent number—2—-block number—1——KFBTYP_DISKDIR–blocks number–514–extent number—2—-block number—2——KFBTYP_DISKDIR–blocks number–515–extent number—2—-block number—3——KFBTYP_DISKDIR–blocks number–516–extent number—2—-block number—4——KFBTYP_DISKDIR–blocks number–517–extent number—2—-block number—5——KFBTYP_DISKDIR–blocks number–518–extent number—2—-block number—6——KFBTYP_DISKDIR–blocks number–519–extent number—2—-block number—7——KFBTYP_DISKDIR–blocks number–520–extent number—2—-block number—8——KFBTYP_DISKDIR–blocks number–521–extent number—2—-block number—9——KFBTYP_DISKDIR–blocks number–522–extent number—2—-block number—10——KFBTYP_DISKDIR–blocks number–523–extent number—2—-block number—11——KFBTYP_DISKDIR–blocks number–524–extent number—2—-block number—12——KFBTYP_DISKDIR–blocks number–525–extent number—2—-block number—13——KFBTYP_DISKDIR–blocks number–526–extent number—2—-block number—14——KFBTYP_DISKDIR–blocks number–527–extent number—2—-block number—15——KFBTYP_DISKDIR–blocks number–528–extent number—2—-block number—16——KFBTYP_DISKDIR–blocks number–529–extent number—2—-block number—17——KFBTYP_DISKDIR–blocks number–530–extent number—2—-block number—18——[oracle@asm10g ~]$ kfed read /dev/mapper/asm6 aunum=2 blknum=0|morekfddde[0].entry.refer.incarn:         0 ; 0x030: A=0 NUMM=0x0kfddde[0].dsknum:                     0 ; 0x034: 0x0000kfddde[0].state:                      2 ; 0x036: KFDSTA_NORMALkfddde[0].ub1spare:                   0 ; 0x037: 0x00kfddde[0].dskname:            TEST_0000 ; 0x038: length=9kfddde[0].fgname:             TEST_0000 ; 0x058: length=9kfddde[0].crestmp.hi:          32991061 ; 0x078: HOUR=0x15 DAYS=0x1a MNTH=0x9 YEAR=0x7ddkfddde[0].crestmp.lo:        2138126336 ; 0x07c: USEC=0x0 MSEC=0x4e SECS=0x37 MINS=0x1fkfddde[0].failstmp.hi:                0 ; 0x080: HOUR=0x0 DAYS=0x0 MNTH=0x0 YEAR=0x0kfddde[0].failstmp.lo:                0 ; 0x084: USEC=0x0 MSEC=0x0 SECS=0x0 MINS=0x0kfddde[0].timer:                      0 ; 0x088: 0x00000000kfddde[0].size:                    1024 ; 0x08c: 0x00000400kfddde[0].spare[0]:                   0 ; 0x090: 0x00000000kfddde[0].spare[1]:                   0 ; 0x094: 0x00000000…………………………kfddde[1].dsknum:                     1 ; 0x1f4: 0x0001kfddde[1].state:                      2 ; 0x1f6: KFDSTA_NORMALkfddde[1].ub1spare:                   0 ; 0x1f7: 0x00kfddde[1].dskname:            TEST_0001 ; 0x1f8: length=9kfddde[1].fgname:             TEST_0001 ; 0x218: length=9kfddde[1].crestmp.hi:          32991061 ; 0x238: HOUR=0x15 DAYS=0x1a MNTH=0x9 YEAR=0x7ddkfddde[1].crestmp.lo:        2138126336 ; 0x23c: USEC=0x0 MSEC=0x4e SECS=0x37 MINS=0x1fkfddde[1].failstmp.hi:                0 ; 0x240: HOUR=0x0 DAYS=0x0 MNTH=0x0 YEAR=0x0kfddde[1].failstmp.lo:                0 ; 0x244: USEC=0x0 MSEC=0x0 SECS=0x0 MINS=0x0kfddde[1].timer:                      0 ; 0x248: 0x00000000kfddde[1].size:                    1024 ; 0x24c: 0x00000400kfddde[1].spare[0]:                   0 ; 0x250: 0x00000000…………………………………………kfddde[2].entry.incarn:               1 ; 0x3a4: A=1 NUMM=0x0kfddde[2].entry.hash:                 2 ; 0x3a8: 0x00000002kfddde[2].entry.refer.number:4294967295 ; 0x3ac: 0xffffffffkfddde[2].entry.refer.incarn:         0 ; 0x3b0: A=0 NUMM=0x0kfddde[2].dsknum:                     2 ; 0x3b4: 0x0002kfddde[2].state:                      2 ; 0x3b6: KFDSTA_NORMALkfddde[2].ub1spare:                   0 ; 0x3b7: 0x00kfddde[2].dskname:            TEST_0002 ; 0x3b8: length=9kfddde[2].fgname:             TEST_0002 ; 0x3d8: length=9kfddde[2].crestmp.hi:          32991061 ; 0x3f8: HOUR=0x15 DAYS=0x1a MNTH=0x9 YEAR=0x7ddkfddde[2].crestmp.lo:        2138126336 ; 0x3fc: USEC=0x0 MSEC=0x4e SECS=0x37 MINS=0x1fkfddde[2].failstmp.hi:                0 ; 0x400: HOUR=0x0 DAYS=0x0 MNTH=0x0 YEAR=0x0kfddde[2].failstmp.lo:                0 ; 0x404: USEC=0x0 MSEC=0x0 SECS=0x0 MINS=0x0kfddde[2].timer:                      0 ; 0x408: 0x00000000kfddde[2].size:                    1024 ; 0x40c: 0x00000400kfddde[2].spare[0]:                   0 ; 0x410: 0x00000000kfddde[2].spare[1]:                   0 ; 0x414: 0x00000000kfddde[2].spare[2]:                   0 ; 0x418: 0x00000000kfddde[2].spare[3]:                   0 ; 0x41c: 0x00000000kfddde[2].spare[4]:                   0 ; 0x420: 0x00000000kfdhdb.dsknum:                        2 ; 0x024: 0x0001kfdhdb.grptyp:                        1 ; 0x026: KFDGTP_EXTERNALkfdhdb.hdrsts:                        3 ; 0x027: KFDHDR_MEMBERkfdhdb.dskname:               TEST_0002 ; 0x028: length=9kfdhdb.grpname:                    TEST ; 0x048: length=4kfdhdb.fgname:                TEST_0002 ; 0x068: length=9kfdhdb.capname:                         ; 0x088: length=0[oracle@asm10g ~]$ kfed merge /dev/mapper/asm6 text=asm6.txt[oracle@asm10g ~]$SQL> alter diskgroup test mount;Diskgroup altered.

2,只有一个磁盘的磁盘组

下面是只有一个盘的DISKGROUP

SQL> drop diskgroup test;Diskgroup dropped.SQL> create diskgroup test external redundancy disk ‘/dev/mapper/asm4’;Diskgroup created.[oracle@asm10g ~]$ dd if=/dev/zero of=/dev/mapper/asm4 bs=1024 count=11+0 records in1+0 records out1024 bytes (1.0 kB) copied, 0.000163 seconds, 6.3 MB/sSQL> alter diskgroup test mount;alter diskgroup test mount*ERROR at line 1:ORA-15032: not all alterations performedORA-15063: ASM discovered an insufficient number of disks for diskgroup "TEST"[oracle@asm10g ~]$ kfod a=/dev/mapper/asm* d=all s=true——————————————————————————–Disk          Size Header    Path     ===========================================================================1:       1024 Mb MEMBER    /dev/mapper/asm12:       2048 Mb MEMBER    /dev/mapper/asm23:       3072 Mb MEMBER    /dev/mapper/asm34:       1024 Mb CANDIDATE /dev/mapper/asm45:       1024 Mb CANDIDATE /dev/mapper/asm56:       1024 Mb CANDIDATE /dev/mapper/asm6——————————————————————————–ORACLE_SID ORACLE_HOME                                                         ==========================================================================+ASM /u01/app/oracle/product/10.2.0/db[oracle@asm10g ~]$ ./test.sh 1 0 1000 /dev/mapper/asm4 KFBTYP_DISKDIR|moreKFBTYP_DISKDIR–blocks number–768–extent number—3—-block number—0——KFBTYP_DISKDIR–blocks number–769–extent number—3—-block number—1——KFBTYP_DISKDIR–blocks number–770–extent number—3—-block number—2——KFBTYP_DISKDIR–blocks number–771–extent number—3—-block number—3——KFBTYP_DISKDIR–blocks number–772–extent number—3—-block number—4——KFBTYP_DISKDIR–blocks number–773–extent number—3—-block number—5——[oracle@asm10g ~]$ kfed read /dev/mapper/asm4 aunum=3 blknum=0|morekfbh.endian:                          1 ; 0x000: 0x01kfbh.hard:                          130 ; 0x001: 0x82kfbh.type:                            6 ; 0x002: KFBTYP_DISKDIRkfbh.datfmt:                          1 ; 0x003: 0x01kfbh.block.blk:                       0 ; 0x004: T=0 NUMB=0x0kfbh.block.obj:                       2 ; 0x008: TYPE=0x0 NUMB=0x2kfbh.check:                  2692121256 ; 0x00c: 0xa07682a8kfbh.fcn.base:                        0 ; 0x010: 0x00000000kfbh.fcn.wrap:                        0 ; 0x014: 0x00000000kfbh.spare1:                          0 ; 0x018: 0x00000000kfbh.spare2:                          0 ; 0x01c: 0x00000000kffdnd.bnode.incarn:                  1 ; 0x000: A=1 NUMM=0x0kffdnd.bnode.frlist.number:  4294967295 ; 0x004: 0xffffffffkffdnd.bnode.frlist.incarn:           0 ; 0x008: A=0 NUMM=0x0kffdnd.overfl.number:        4294967295 ; 0x00c: 0xffffffffkffdnd.overfl.incarn:                 0 ; 0x010: A=0 NUMM=0x0kffdnd.parent.number:                 0 ; 0x014: 0x00000000kffdnd.parent.incarn:                 1 ; 0x018: A=1 NUMM=0x0kffdnd.fstblk.number:                 0 ; 0x01c: 0x00000000kffdnd.fstblk.incarn:                 1 ; 0x020: A=1 NUMM=0x0kfddde[0].entry.incarn:               1 ; 0x024: A=1 NUMM=0x0kfddde[0].entry.hash:                 0 ; 0x028: 0x00000000kfddde[0].entry.refer.number:4294967295 ; 0x02c: 0xffffffffkfddde[0].entry.refer.incarn:         0 ; 0x030: A=0 NUMM=0x0kfddde[0].dsknum:                     0 ; 0x034: 0x0000kfddde[0].state:                      2 ; 0x036: KFDSTA_NORMALkfddde[0].ub1spare:                   0 ; 0x037: 0x00kfddde[0].dskname:            TEST_0000 ; 0x038: length=9kfddde[0].fgname:             TEST_0000 ; 0x058: length=9kfddde[0].crestmp.hi:          32991062 ; 0x078: HOUR=0x16 DAYS=0x1a MNTH=0x9 YEAR=0x7ddkfddde[0].crestmp.lo:        1601869824 ; 0x07c: USEC=0x0 MSEC=0x2a6 SECS=0x37 MINS=0x17kfddde[0].failstmp.hi:                0 ; 0x080: HOUR=0x0 DAYS=0x0 MNTH=0x0 YEAR=0x0kfddde[0].failstmp.lo:                0 ; 0x084: USEC=0x0 MSEC=0x0 SECS=0x0 MINS=0x0kfddde[0].timer:                      0 ; 0x088: 0x00000000kfddde[0].size:                    1024 ; 0x08c: 0x00000400

通过上面的值,我们可以确认绿色的值


[oracle@asm10g ~]$ ./test.sh 1 0 1000 /dev/mapper/asm4 KFBTYP_FREESPC |moreKFBTYP_FREESPC–blocks number–1–extent number—0—-block number—1——

可以确认红色部分

[oracle@asm10g ~]$ ./test.sh 1 0 1000 /dev/mapper/asm4 KFBTYP_ALLOCTBL  |moreKFBTYP_ALLOCTBL–blocks number–2–extent number—0—-block number—2——KFBTYP_ALLOCTBL–blocks number–3–extent number—0—-block number—3——KFBTYP_ALLOCTBL–blocks number–4–extent number—0—-block number—4——

通过这个值 ,可以确认深蓝色部分

[oracle@asm10g ~]$ ./test.sh 1 0 1000 /dev/mapper/asm4 xptr.au   |morexptr.au–blocks number–513–extent number—2—-block number—1——xptr.au–blocks number–514–extent number—2—-block number—2——xptr.au–blocks number–515–extent number—2—-block number—3——xptr.au–blocks number–516–extent number—2—-block number—4——

通过这个值 ,可以确认蓝色部分

[oracle@asm10g ~]$ kfed read /dev/mapper/asm4 aunum=1 blknum=0|grep copyCntkfdpHdrB.copyCnt:                     1 ; 0x010: 0x01

通过这个值 ,可以确认紫色部分

[oracle@asm10g ~]$ kfed merge /dev/mapper/asm4 te=asm4.txt[oracle@asm10g ~]$ sqlplus / as sysdbaSQL*Plus: Release 10.2.0.5.0 – Production on Thu Sep 26 23:04:30 2013Copyright (c) 1982, 2010, Oracle.  All Rights Reserved.Connected to:Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 – 64bit ProductionWith the Partitioning, OLAP, Data Mining and Real Application Testing optionsSQL> alter diskgroup test mount2  ;                        Diskgroup altered.            kfbh.endian:                          1 ; 0x000: 0x01kfbh.hard:                          130 ; 0x001: 0x82kfbh.type:                            1 ; 0x002: KFBTYP_DISKHEADkfbh.datfmt:                          1 ; 0x003: 0x01kfbh.block.blk:                       0 ; 0x004: T=0 NUMB=0x0kfbh.block.obj:              2147483648 ; 0x008: TYPE=0x8 NUMB=0x1kfbh.check:                  1084736906 ; 0x00c: 0x40a7c58akfbh.fcn.base:                        0 ; 0x010: 0x00000000kfbh.fcn.wrap:                        0 ; 0x014: 0x00000000kfbh.spare1:                          0 ; 0x018: 0x00000000kfbh.spare2:                          0 ; 0x01c: 0x00000000kfdhdb.driver.provstr:         ORCLDISK ; 0x000: length=8kfdhdb.driver.reserved[0]:            0 ; 0x008: 0x00000000kfdhdb.driver.reserved[1]:            0 ; 0x00c: 0x00000000kfdhdb.driver.reserved[2]:            0 ; 0x010: 0x00000000kfdhdb.driver.reserved[3]:            0 ; 0x014: 0x00000000kfdhdb.driver.reserved[4]:            0 ; 0x018: 0x00000000kfdhdb.driver.reserved[5]:            0 ; 0x01c: 0x00000000kfdhdb.compat:                168820736 ; 0x020: 0x0a100000kfdhdb.dsknum:                        0 ; 0x024: 0x0001kfdhdb.grptyp:                        1 ; 0x026: KFDGTP_EXTERNALkfdhdb.hdrsts:                        3 ; 0x027: KFDHDR_MEMBERkfdhdb.dskname:               TEST_0000 ; 0x028: length=9kfdhdb.grpname:                    TEST ; 0x048: length=4kfdhdb.fgname:                TEST_0000 ; 0x068: length=9kfdhdb.capname:                         ; 0x088: length=0kfdhdb.crestmp.hi:             32991062  ; 0x078: HOUR=0x16 DAYS=0x1a MNTH=0x9 YEAR=0x7ddkfdhdb.crestmp.lo:           1601869824 ; 0x07c: USEC=0x0 MSEC=0x2a6 SECS=0x37 MINS=0x17kfdhdb.mntstmp.hi:             32991062  ; 0x0b0: HOUR=0x15 DAYS=0x1a MNTH=0x9 YEAR=0x7ddkfdhdb.mntstmp.lo:           1601869820 ; 0x0b4: USEC=0x0 MSEC=0xde SECS=0x0 MINS=0x20kfdhdb.secsize:                     512 ; 0x0b8: 0x0200kfdhdb.blksize:                    4096 ; 0x0ba: 0x1000kfdhdb.ausize:                  1048576 ; 0x0bc: 0x00100000kfdhdb.mfact:                    113792 ; 0x0c0: 0x0001bc80kfdhdb.dsksize:                    1024 ; 0x0c4: 0x00000400kfdhdb.pmcnt:                         2 ; 0x0c8: 0x00000002kfdhdb.fstlocn:                       1 ; 0x0cc: 0x00000000kfdhdb.altlocn:                       2 ; 0x0d0: 0x00000002kfdhdb.f1b1locn:                      2 ; 0x0d4: 0x00000000kfdhdb.redomirrors[0]:                0 ; 0x0d8: 0x0000kfdhdb.redomirrors[1]:                0 ; 0x0da: 0x0000kfdhdb.redomirrors[2]:                0 ; 0x0dc: 0x0000kfdhdb.redomirrors[3]:                0 ; 0x0de: 0x0000kfdhdb.dbcompat:              168820736 ; 0x0e0: 0x0a100000kfdhdb.grpstmp.hi:             32991062  ; 0x0e4: HOUR=0x16 DAYS=0x1a MNTH=0x9 YEAR=0x7ddkfdhdb.grpstmp.lo:           1601869819  ; 0x0e8: USEC=0x0 MSEC=0x21 SECS=0x37 MINS=0x1fkfdhdb.ub4spare[0]:                   0 ; 0x0ec: 0x00000000kfdhdb.ub4spare[1]:                   0 ; 0x0f0: 0x00000000kfdhdb.ub4spare[2]:                   0 ; 0x0f4: 0x00000000kfdhdb.ub4spare[3]:                   0 ; 0x0f8: 0x00000000kfdhdb.ub4spare[4]:                   0 ; 0x0fc: 0x00000000kfdhdb.ub4spare[5]:                   0 ; 0x100: 0x00000000kfdhdb.ub4spare[6]:                   0 ; 0x104: 0x00000000kfdhdb.ub4spare[7]:                   0 ; 0x108: 0x00000000kfdhdb.ub4spare[8]:                   0 ; 0x10c: 0x00000000kfdhdb.ub4spare[9]:                   0 ; 0x110: 0x00000000kfdhdb.ub4spare[10]:                  0 ; 0x114: 0x00000000kfdhdb.ub4spare[11]:                  0 ; 0x118: 0x00000000kfdhdb.ub4spare[12]:                  0 ; 0x11c: 0x00000000kfdhdb.ub4spare[13]:                  0 ; 0x120: 0x00000000kfdhdb.ub4spare[14]:                  0 ; 0x124: 0x00000000kfdhdb.ub4spare[15]:                  0 ; 0x128: 0x00000000kfdhdb.ub4spare[16]:                  0 ; 0x12c: 0x00000000kfdhdb.ub4spare[17]:                  0 ; 0x130: 0x00000000kfdhdb.ub4spare[18]:                  0 ; 0x134: 0x00000000kfdhdb.ub4spare[19]:                  0 ; 0x138: 0x00000000kfdhdb.ub4spare[20]:                  0 ; 0x13c: 0x00000000kfdhdb.ub4spare[21]:                  0 ; 0x140: 0x00000000kfdhdb.ub4spare[22]:                  0 ; 0x144: 0x00000000kfdhdb.ub4spare[23]:                  0 ; 0x148: 0x00000000kfdhdb.ub4spare[24]:                  0 ; 0x14c: 0x00000000kfdhdb.ub4spare[25]:                  0 ; 0x150: 0x00000000kfdhdb.ub4spare[26]:                  0 ; 0x154: 0x00000000kfdhdb.ub4spare[27]:                  0 ; 0x158: 0x00000000kfdhdb.ub4spare[28]:                  0 ; 0x15c: 0x00000000kfdhdb.ub4spare[29]:                  0 ; 0x160: 0x00000000kfdhdb.ub4spare[30]:                  0 ; 0x164: 0x00000000kfdhdb.ub4spare[31]:                  0 ; 0x168: 0x00000000kfdhdb.ub4spare[32]:                  0 ; 0x16c: 0x00000000kfdhdb.ub4spare[33]:                  0 ; 0x170: 0x00000000kfdhdb.ub4spare[34]:                  0 ; 0x174: 0x00000000kfdhdb.ub4spare[35]:                  0 ; 0x178: 0x00000000kfdhdb.ub4spare[36]:                  0 ; 0x17c: 0x00000000kfdhdb.ub4spare[37]:                  0 ; 0x180: 0x00000000kfdhdb.ub4spare[38]:                  0 ; 0x184: 0x00000000kfdhdb.ub4spare[39]:                  0 ; 0x188: 0x00000000kfdhdb.ub4spare[40]:                  0 ; 0x18c: 0x00000000kfdhdb.ub4spare[41]:                  0 ; 0x190: 0x00000000kfdhdb.ub4spare[42]:                  0 ; 0x194: 0x00000000kfdhdb.ub4spare[43]:                  0 ; 0x198: 0x00000000kfdhdb.ub4spare[44]:                  0 ; 0x19c: 0x00000000kfdhdb.ub4spare[45]:                  0 ; 0x1a0: 0x00000000kfdhdb.ub4spare[46]:                  0 ; 0x1a4: 0x00000000kfdhdb.ub4spare[47]:                  0 ; 0x1a8: 0x00000000kfdhdb.ub4spare[48]:                  0 ; 0x1ac: 0x00000000kfdhdb.ub4spare[49]:                  0 ; 0x1b0: 0x00000000kfdhdb.ub4spare[50]:                  0 ; 0x1b4: 0x00000000kfdhdb.ub4spare[51]:                  0 ; 0x1b8: 0x00000000kfdhdb.ub4spare[52]:                  0 ; 0x1bc: 0x00000000kfdhdb.ub4spare[53]:                  0 ; 0x1c0: 0x00000000kfdhdb.ub4spare[54]:                  0 ; 0x1c4: 0x00000000kfdhdb.ub4spare[55]:                  0 ; 0x1c8: 0x00000000kfdhdb.ub4spare[56]:                  0 ; 0x1cc: 0x00000000kfdhdb.ub4spare[57]:                  0 ; 0x1d0: 0x00000000kfdhdb.acdb.aba.seq:                  0 ; 0x1d4: 0x00000000kfdhdb.acdb.aba.blk:                  0 ; 0x1d8: 0x00000000kfdhdb.acdb.ents:                     0 ; 0x1dc: 0x0000kfdhdb.acdb.ub2spare:                 0 ; 0x1de: 0x0000

------------------作者介绍-----------------------
姓名:黄廷忠
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