Oracle数据库KFOD查看disk header内容的相关操作是本文我们主要要介绍的内容，接下来就让我们一起来了解一下这部分内容吧。

这里直接截取disk header的内容：

[oracle@rac2~]$kfedread/dev/mapper/datap1 
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:T=0NUMB=0x0
kfbh.block.obj:2147483648;0x008:TYPE=0x8NUMB=0x0 
kfbh.check:1508168608;0x00c:0x59e4d3a0 
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:ORCLDISKDATA;0x000:length=12
-->磁盘卷名 
kfdhdb.driver.reserved[0]:1096040772;0x008:0x41544144 
kfdhdb.driver.reserved[1]:0;0x00c:0x00000000 
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:168820736;0x020:0x0a100000 
kfdhdb.dsknum:0;0x024:0x0000 
kfdhdb.grptyp:1;0x026:KFDGTP_EXTERNAL 
-->ThisindicatesRedundancyforGroup.CheckTYPEinqueryoutput. 
kfdhdb.hdrsts:3;0x027:KFDHDR_MEMBER 
-->ThisindicatesDiskHeaderstatus.HereitindicatesitismemberofGroup. 
kfdhdb.dskname:DATA;0x028:length=4
-->ThisindicatesDiskName 
kfdhdb.grpname:DATA;0x048:length=4
-->ThisindicatestheGroupNameforthedisk. 
kfdhdb.fgname:DATA;0x068:length=4
-->ThisindicatestheFailureGroupName. 
kfdhdb.capname:;0x088:length=0
kfdhdb.crestmp.hi:32952076;0x0a8:HOUR=0xcDAYS=0x18MNTH=0x3YEAR=0x7db
kfdhdb.crestmp.lo:3374491648;0x0ac:USEC=0x0MSEC=0xaaSECS=0x12MINS=0x32
kfdhdb.mntstmp.hi:32955120;0x0b0:HOUR=0x10DAYS=0x17MNTH=0x6YEAR=0x7db
kfdhdb.mntstmp.lo:3440417792;0x0b4:USEC=0x0MSEC=0x27SECS=0x11MINS=0x33
kfdhdb.secsize:512;0x0b8:0x0200 
kfdhdb.blksize:4096;0x0ba:0x1000 
kfdhdb.ausize:1048576;0x0bc:0x00100000 
kfdhdb.mfact:113792;0x0c0:0x0001bc80 
kfdhdb.dsksize:11993;0x0c4:0x00002ed9 
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:32952076;0x0e4:HOUR=0xcDAYS=0x18MNTH=0x3YEAR=0x7db
kfdhdb.grpstmp.lo:3374396416;0x0e8:USEC=0x0MSEC=0x4dSECS=0x12MINS=0x32
kfdhdb.ub4spare[0]:0;0x0ec:0x00000000 
kfdhdb.ub4spare[1]:0;0x0f0:0x00000000 
...... 
kfdhdb.ub4spare[55]:0;0x1c8:0x00000000 
kfdhdb.ub4spare[56]:0;0x1cc:0x00000000 
kfdhdb.ub4spare[57]: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