1.dd
[grid@umdb2 ~]$ /etc/init.d/oracleasm listdisks
CRSVOL
DATAVOL1
DATAVOL2
DATAVOL3
DATAVOL4
DATAVOL5
FRAVOL
SQL> select GROUP_NUMBER,NAME,PATH,STATE,header_status from v$asm_disk;
GROUP_NUMBER NAME PATH STATE HEADER_STATUS
------------ ---------------------------------------- ---------------------------------------- ------------------------ ------------------------------------
1 CRSVOL ORCL:CRSVOL NORMAL MEMBER
2 DATAVOL1 ORCL:DATAVOL1 NORMAL MEMBER
2 DATAVOL2 ORCL:DATAVOL2 NORMAL MEMBER
2 DATAVOL3 ORCL:DATAVOL3 NORMAL MEMBER
2 DATAVOL4 ORCL:DATAVOL4 NORMAL MEMBER
2 DATAVOL5 ORCL:DATAVOL5 NORMAL MEMBER
3 FRAVOL ORCL:FRAVOL NORMAL MEMBER
7 rows selected.
[grid@umdb2 ~]$ /etc/init.d/oracleasm querydisk -d CRSVOL
Disk "CRSVOL" is a valid ASM disk on device /dev/sdb1[8,17]
[grid@umdb2 ~]$ /etc/init.d/oracleasm querydisk -d DATAVOL1
Disk "DATAVOL1" is a valid ASM disk on device /dev/sdc1[8,33]
[grid@umdb2 ~]$ /etc/init.d/oracleasm querydisk -d DATAVOL2
Disk "DATAVOL2" is a valid ASM disk on device /dev/sdd1[8,49]
[grid@umdb2 ~]$ /etc/init.d/oracleasm querydisk -d DATAVOL3
Disk "DATAVOL3" is a valid ASM disk on device /dev/sde1[8,65]
[grid@umdb2 ~]$ /etc/init.d/oracleasm querydisk -d DATAVOL4
Disk "DATAVOL4" is a valid ASM disk on device /dev/sdf1[8,81]
[grid@umdb2 ~]$ /etc/init.d/oracleasm querydisk -d DATAVOL5
Disk "DATAVOL5" is a valid ASM disk on device /dev/sdg1[8,97]
[grid@umdb2 ~]$ /etc/init.d/oracleasm querydisk -d FRAVOL
Disk "FRAVOL" is a valid ASM disk on device /dev/sdb2[8,18]
root@umdb2 asmdisk]# dd if=/dev/sdb1 of=CRSVOL.dd bs=4096 count=1
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.005741 seconds, 713 kB/s
[root@umdb2 asmdisk]# dd if=/dev/sdc1 of=DATAVOL1.dd bs=4096 count=1
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.005318 seconds, 770 kB/s
[root@umdb2 asmdisk]# dd if=/dev/sdd1 of=DATAVOL2.dd bs=4096 count=1
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.015492 seconds, 264 kB/s
You have new mail in /var/spool/mail/root
[root@umdb2 asmdisk]# dd if=/dev/sde1 of=DATAVOL3.dd bs=4096 count=1
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.012634 seconds, 324 kB/s
[root@umdb2 asmdisk]# dd if=/dev/sdf1 of=DATAVOL4.dd bs=4096 count=1
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.005417 seconds, 756 kB/s
[root@umdb2 asmdisk]# dd if=/dev/sdg1 of=DATAVOL5.dd bs=4096 count=1
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.004974 seconds, 823 kB/s
[root@umdb2 asmdisk]# dd if=/dev/sdb2 of=FRAVOL.dd bs=4096 count=1
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.007891 seconds, 519 kB/s
2. kfed
[grid@umdb2 ~]$ kfed read /dev/oracleasm/disks/CRSVOL text=CRSVOL.txt
[grid@umdb2 ~]$ more CRSVOL.txt
kfbh.endian: 1 ; 0x000: 0x01
kfbh.hard: 130 ; 0x001: 0x82
kfbh.type: 1 ; 0x002: KFBTYP_DISKHEAD
kfbh.datfmt: 1 ; 0x003: 0x01
kfbh.block.blk: 0 ; 0x004: blk=0
kfbh.block.obj: 2147483648 ; 0x008: disk=0
kfbh.check: 3816181568 ; 0x00c: 0xe3764f40
kfbh.fcn.base: 0 ; 0x010: 0x00000000
kfbh.fcn.wrap: 0 ; 0x014: 0x00000000
kfbh.spare1: 0 ; 0x018: 0x00000000
kfbh.spare2: 0 ; 0x01c: 0x00000000
kfdhdb.driver.provstr: ORCLDISKCRSVOL ; 0x000: length=14
kfdhdb.driver.reserved[0]: 1448301123 ; 0x008: 0x56535243
kfdhdb.driver.reserved[1]: 19535 ; 0x00c: 0x00004c4f
kfdhdb.driver.reserved[2]: 0 ; 0x010: 0x00000000
kfdhdb.driver.reserved[3]: 0 ; 0x014: 0x00000000
kfdhdb.driver.reserved[4]: 0 ; 0x018: 0x00000000
kfdhdb.driver.reserved[5]: 0 ; 0x01c: 0x00000000
kfdhdb.compat: 186646528 ; 0x020: 0x0b200000
kfdhdb.dsknum: 0 ; 0x024: 0x0000
kfdhdb.grptyp: 1 ; 0x026: KFDGTP_EXTERNAL
kfdhdb.hdrsts: 3 ; 0x027: KFDHDR_MEMBER
kfdhdb.dskname: CRSVOL ; 0x028: length=6
kfdhdb.grpname: CRS ; 0x048: length=3
kfdhdb.fgname: CRSVOL ; 0x068: length=6
kfdhdb.capname: ; 0x088: length=0
kfdhdb.crestmp.hi: 32986806 ; 0x0a8: HOUR=0x16 DAYS=0x15 MNTH=0x5 YEAR=0x7dd
kfdhdb.crestmp.lo: 141339648 ; 0x0ac: USEC=0x0 MSEC=0x32b SECS=0x6 MINS=0x2
kfdhdb.mntstmp.hi: 32999376 ; 0x0b0: HOUR=0x10 DAYS=0x1e MNTH=0x1 YEAR=0x7de
kfdhdb.mntstmp.lo: 548900864 ; 0x0b4: USEC=0x0 MSEC=0x1e4 SECS=0xb MINS=0x8
kfdhdb.secsize: 512 ; 0x0b8: 0x0200
kfdhdb.blksize: 4096 ; 0x0ba: 0x1000
kfdhdb.ausize: 1048576 ; 0x0bc: 0x00100000
kfdhdb.mfact: 113792 ; 0x0c0: 0x0001bc80
kfdhdb.dsksize: 2957 ; 0x0c4: 0x00000b8d
kfdhdb.pmcnt: 2 ; 0x0c8: 0x00000002
kfdhdb.fstlocn: 1 ; 0x0cc: 0x00000001
kfdhdb.altlocn: 2 ; 0x0d0: 0x00000002
kfdhdb.f1b1locn: 2 ; 0x0d4: 0x00000002
kfdhdb.redomirrors[0]: 0 ; 0x0d8: 0x0000
kfdhdb.redomirrors[1]: 0 ; 0x0da: 0x0000
kfdhdb.redomirrors[2]: 0 ; 0x0dc: 0x0000
kfdhdb.redomirrors[3]: 0 ; 0x0de: 0x0000
kfdhdb.dbcompat: 168820736 ; 0x0e0: 0x0a100000
kfdhdb.grpstmp.hi: 32986806 ; 0x0e4: HOUR=0x16 DAYS=0x15 MNTH=0x5 YEAR=0x7dd
kfdhdb.grpstmp.lo: 141267968 ; 0x0e8: USEC=0x0 MSEC=0x2e5 SECS=0x6 MINS=0x2
kfdhdb.vfstart: 352 ; 0x0ec: 0x00000160
kfdhdb.vfend: 384 ; 0x0f0: 0x00000180
kfdhdb.spfile: 58 ; 0x0f4: 0x0000003a
kfdhdb.spfflg: 1 ; 0x0f8: 0x00000001
kfdhdb.ub4spare[0]: 0 ; 0x0fc: 0x00000000
kfdhdb.ub4spare[1]: 0 ; 0x100: 0x00000000
kfdhdb.ub4spare[2]: 0 ; 0x104: 0x00000000
kfdhdb.ub4spare[3]: 0 ; 0x108: 0x00000000
kfdhdb.ub4spare[4]: 0 ; 0x10c: 0x00000000
kfdhdb.ub4spare[5]: 0 ; 0x110: 0x00000000
kfdhdb.ub4spare[6]: 0 ; 0x114: 0x00000000
kfdhdb.ub4spare[7]: 0 ; 0x118: 0x00000000
kfdhdb.ub4spare[8]: 0 ; 0x11c: 0x00000000
kfdhdb.ub4spare[9]: 0 ; 0x120: 0x00000000
kfdhdb.ub4spare[10]: 0 ; 0x124: 0x00000000
kfdhdb.ub4spare[11]: 0 ; 0x128: 0x00000000
kfdhdb.ub4spare[12]: 0 ; 0x12c: 0x00000000
kfdhdb.ub4spare[13]: 0 ; 0x130: 0x00000000
kfdhdb.ub4spare[14]: 0 ; 0x134: 0x00000000
kfdhdb.ub4spare[15]: 0 ; 0x138: 0x00000000
kfdhdb.ub4spare[16]: 0 ; 0x13c: 0x00000000
kfdhdb.ub4spare[17]: 0 ; 0x140: 0x00000000
kfdhdb.ub4spare[18]: 0 ; 0x144: 0x00000000
kfdhdb.ub4spare[19]: 0 ; 0x148: 0x00000000
kfdhdb.ub4spare[20]: 0 ; 0x14c: 0x00000000
kfdhdb.ub4spare[21]: 0 ; 0x150: 0x00000000
kfdhdb.ub4spare[22]: 0 ; 0x154: 0x00000000
kfdhdb.ub4spare[23]: 0 ; 0x158: 0x00000000
kfdhdb.ub4spare[24]: 0 ; 0x15c: 0x00000000
kfdhdb.ub4spare[25]: 0 ; 0x160: 0x00000000
kfdhdb.ub4spare[26]: 0 ; 0x164: 0x00000000
kfdhdb.ub4spare[27]: 0 ; 0x168: 0x00000000
kfdhdb.ub4spare[28]: 0 ; 0x16c: 0x00000000
kfdhdb.ub4spare[29]: 0 ; 0x170: 0x00000000
kfdhdb.ub4spare[30]: 0 ; 0x174: 0x00000000
kfdhdb.ub4spare[31]: 0 ; 0x178: 0x00000000
kfdhdb.ub4spare[32]: 0 ; 0x17c: 0x00000000
kfdhdb.ub4spare[33]: 0 ; 0x180: 0x00000000
kfdhdb.ub4spare[34]: 0 ; 0x184: 0x00000000
kfdhdb.ub4spare[35]: 0 ; 0x188: 0x00000000
kfdhdb.ub4spare[36]: 0 ; 0x18c: 0x00000000
kfdhdb.ub4spare[37]: 0 ; 0x190: 0x00000000
kfdhdb.ub4spare[38]: 0 ; 0x194: 0x00000000
kfdhdb.ub4spare[39]: 0 ; 0x198: 0x00000000
kfdhdb.ub4spare[40]: 0 ; 0x19c: 0x00000000
kfdhdb.ub4spare[41]: 0 ; 0x1a0: 0x00000000
kfdhdb.ub4spare[42]: 0 ; 0x1a4: 0x00000000
kfdhdb.ub4spare[43]: 0 ; 0x1a8: 0x00000000
kfdhdb.ub4spare[44]: 0 ; 0x1ac: 0x00000000
kfdhdb.ub4spare[45]: 0 ; 0x1b0: 0x00000000
kfdhdb.ub4spare[46]: 0 ; 0x1b4: 0x00000000
kfdhdb.ub4spare[47]: 0 ; 0x1b8: 0x00000000
kfdhdb.ub4spare[48]: 0 ; 0x1bc: 0x00000000
kfdhdb.ub4spare[49]: 0 ; 0x1c0: 0x00000000
kfdhdb.ub4spare[50]: 0 ; 0x1c4: 0x00000000
kfdhdb.ub4spare[51]: 0 ; 0x1c8: 0x00000000
kfdhdb.ub4spare[52]: 0 ; 0x1cc: 0x00000000
kfdhdb.ub4spare[53]: 0 ; 0x1d0: 0x00000000
kfdhdb.acdb.aba.seq: 0 ; 0x1d4: 0x00000000
kfdhdb.acdb.aba.blk: 0 ; 0x1d8: 0x00000000
kfdhdb.acdb.ents: 0 ; 0x1dc: 0x0000
kfdhdb.acdb.ub2spare: 0 ; 0x1de: 0x0000
恢復：kfed merge /dev/oracleasm/disks/CRSVOL
text=CRS.txt