Oracle KFED 和 KFOD 工具说明
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?????? OracleASM是個封裝的磁盤管理工具，所以我們需要對ASM 有充分的認識，否則ASM 出現問題就會非常棘手，KFED 和KFOD 兩個命令可以幫助我們了解ASM。
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一. KFED（Kernel Files Editor） 說明
?????? KFED是ORACLE 10gR2 自帶的一個工具，但是和BBED 命令一樣，需要編譯過以后才能使用。
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1.1 編譯KFED
[oracle@rac2 lib]$cd $ORACLE_HOME/rdbms/lib
[oracle@rac2 lib]$ pwd
/u01/app/oracle/product/10.2.0/db_1/rdbms/lib
[oracle@rac2 lib]$ make -f ins_rdbms.mk ikfed
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Linking KFED utility (kfed)
rm -f/u01/app/oracle/product/10.2.0/db_1/rdbms/lib/kfed
gcc -o/u01/app/oracle/product/10.2.0/db_1/rdbms/lib/kfed-L/u01/app/oracle/product/10.2.0/db_1/rdbms/lib/-L/u01/app/oracle/product/10.2.0/db_1/lib/ -L/u01/app/oracle/product/10.2.0/db_1/lib/stubs/-L/usr/lib -lirc?/u01/app/oracle/product/10.2.0/db_1/lib/s0main.o/u01/app/oracle/product/10.2.0/db_1/rdbms/lib/sskfeded.o/u01/app/oracle/product/10.2.0/db_1/rdbms/lib/skfedpt.o?/u01/app/oracle/product/10.2.0/db_1/rdbms/lib/defopt.o -ldbtools10-lclntsh? `cat/u01/app/oracle/product/10.2.0/db_1/lib/ldflags`??? -lnsslb10 -lncrypt10 -lnsgr10 -lnzjs10-ln10 -lnnz10 -lnl10 -lnro10 `cat /u01/app/oracle/product/10.2.0/db_1/lib/ldflags`??? -lnsslb10 -lncrypt10 -lnsgr10 -lnzjs10-ln10 -lnnz10 -lnl10 -lclient10 -lnnetd10?-lvsn10 -lcommon10 -lgeneric10 -lmm -lsnls10 -lnls10? -lcore10 -lsnls10 -lnls10 -lcore10 -lsnls10-lnls10 -lxml10 -lcore10 -lunls10 -lsnls10 -lnls10 -lcore10 -lnls10 `cat/u01/app/oracle/product/10.2.0/db_1/lib/ldflags`??? -lnsslb10 -lncrypt10 -lnsgr10 -lnzjs10-ln10 -lnnz10 -lnl10 -lnro10 `cat/u01/app/oracle/product/10.2.0/db_1/lib/ldflags`??? -lnsslb10 -lncrypt10 -lnsgr10 -lnzjs10-ln10 -lnnz10 -lnl10 -lclient10 -lnnetd10?-lvsn10 -lcommon10 -lgeneric10??-lsnls10 -lnls10? -lcore10-lsnls10 -lnls10 -lcore10 -lsnls10 -lnls10 -lxml10 -lcore10 -lunls10 -lsnls10-lnls10 -lcore10 -lnls10 -lclient10 -lnnetd10?-lvsn10 -lcommon10 -lgeneric10 -lsnls10 -lnls10? -lcore10 -lsnls10 -lnls10 -lcore10 -lsnls10-lnls10 -lxml10 -lcore10 -lunls10 -lsnls10 -lnls10 -lcore10 -lnls10?? `cat/u01/app/oracle/product/10.2.0/db_1/lib/sysliblist`-Wl,-rpath,/u01/app/oracle/product/10.2.0/db_1/lib -lm??? `cat /u01/app/oracle/product/10.2.0/db_1/lib/sysliblist`-ldl -lm?? -L/u01/app/oracle/product/10.2.0/db_1/lib
mv -f/u01/app/oracle/product/10.2.0/db_1/bin/kfed/u01/app/oracle/product/10.2.0/db_1/bin/kfedO
mv: cannot stat`/u01/app/oracle/product/10.2.0/db_1/bin/kfed': No such file or directory
make: [ikfed] Error 1 (ignored)
mv /u01/app/oracle/product/10.2.0/db_1/rdbms/lib/kfed/u01/app/oracle/product/10.2.0/db_1/bin/kfed
chmod 751/u01/app/oracle/product/10.2.0/db_1/bin/kfed
[oracle@rac2 lib]$
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--查看KFED 位置
[oracle@rac2 lib]$ which kfed
/u01/app/oracle/product/10.2.0/db_1/bin/kfed
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1.2 KFED 命令使用
--查看KFED 幫助
[oracle@rac2 lib]$ kfed -h
as/mlib???????? ASM Library [asmlib='lib']
aun/um????????? AU number to examine or update[AUNUM=number]
aus/z?????????? Allocation Unit size in bytes[AUSZ=number]
blkn/um???????? Block number to examine or update[BLKNUM=number]
blks/z????????? Metadata block size in bytes[BLKSZ=number]
ch/ksum???????? Update checksum before each write[CHKSUM=YES/NO]
cn/t??????????? Count of AUs to process[CNT=number]
d/ev??????????? ASM device to examine or update[DEV=string]
o/p???????????? KFED operation type [OP=READ/WRITE/MERGE/NEW/FORM/FIND/STRUCT]
p/rovnm???????? Name for provisioning purposes[PROVNM=string]
s/eek?????????? AU number to seek to [SEEK=number]
te/xt?????????? File name for translated block text[TEXT=string]
ty/pe?????????? ASM metadata block type number[TYPE=number]
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--查看ASM磁盤組的情況
SYS@anqing2(rac2)> select group_number,disk_number,mount_status,header_status,state,name,path fromv$asm_disk;
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group_number disk_number mount_sheader_statu state??? name?????? path
------------ ----------- ------------------- -------- ---------- --------------------
1?? 0OPENED? UNKNOWN?? NORMAL??DATA?????? /dev/mapper/datap1
2?? 0OPENED? UNKNOWN ??NORMAL?? FRA_0000??/dev/mapper/frap1
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SYS@anqing2(rac2)> selectdg.group_number "g.no",dg.name,d.disk_number,d.mount_status,
? 2?d.header_status,dg.type,d.name,d.path from v$asm_disk d,v$asm_diskgroupdg
? 3?where dg.group_number=d.group_number;
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g.no NAME?????? DISK_NUMBER MOUNT_S HEADER_STATUTYPE?? NAME?????? PATH
---------- --------------------- ------- ------------ ------ ---------- ---------------------------
1 DATA???????????????? 0 OPENED? UNKNOWN?????EXTERN DATA??????/dev/mapper/datap1
2 FRA????????????????? 0 OPENED? UNKNOWN?????EXTERN FRA_0000??/dev/mapper/frap1
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--從系統層面上查看
[oracle@rac2 ~]$ /etc/init.d/oracleasm listdisks
DATA
FRA
[oracle@rac2 ~]$ ls -lrt /dev/oracleasm/disks/*
brw-rw---- 1 oracle dba 8, 49 Aug? 7 07:32 /dev/oracleasm/disks/FRA
brw-rw---- 1 oracle dba 8, 65 Aug? 7 07:32 /dev/oracleasm/disks/DATA
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--使用KFED查看ASM磁盤組
[oracle@rac2 ~]$ kfed read /dev/mapper/datap1 text=datap1.txt
[oracle@rac2 ~]$ ls
datap1.txt?Desktop? oradiag_oracle
[oracle@rac2 ~]$ cat datap1.txt
...
kfed 命令可以加text或者不加，如果使用text 參數，那么kfed 讀取的內容會保存到text 指定的文檔，如果不使用就直接輸入到屏幕。
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[oracle@rac2 ~]$ kfed read /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=0 NUMB=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
-->磁盤卷名
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
--> This indicatesRedundancy for Group.Check TYPE in query output.
kfdhdb.hdrsts:??????????????????????? 3 ; 0x027:KFDHDR_MEMBER
--> This indicatesDisk Header status. Here it indicates it is member of Group.
kfdhdb.dskname:??????????????????? DATA ; 0x028: length=4
--> This indicatesDisk Name
kfdhdb.grpname:??????????????????? DATA ; 0x048: length=4
--> This indicates theGroup Name for the disk.
kfdhdb.fgname:???????????????????? DATA ; 0x068: length=4
--> This indicates theFailure Group Name.
kfdhdb.capname:???????????????????????? ; 0x088: length=0
kfdhdb.crestmp.hi:???????????? 32952076 ; 0x0a8: HOUR=0xcDAYS=0x18 MNTH=0x3 YEAR=0x7db
kfdhdb.crestmp.lo:?????????? 3374491648 ; 0x0ac: USEC=0x0MSEC=0xaa SECS=0x12 MINS=0x32
kfdhdb.mntstmp.hi:???????????? 32955120 ; 0x0b0: HOUR=0x10DAYS=0x17 MNTH=0x6 YEAR=0x7db
kfdhdb.mntstmp.lo:?????????? 3440417792 ; 0x0b4: USEC=0x0MSEC=0x27 SECS=0x11 MINS=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=0x18 MNTH=0x3 YEAR=0x7db
kfdhdb.grpstmp.lo:?????????? 3374396416 ; 0x0e8: USEC=0x0MSEC=0x4d SECS=0x12 MINS=0x32
kfdhdb.ub4spare[0]:?????????????????? 0 ; 0x0ec: 0x00000000
kfdhdb.ub4spare[1]:?????????????????? 0 ; 0x0f0: 0x00000000
kfdhdb.ub4spare[2]:?????????????????? 0 ; 0x0f4: 0x00000000
kfdhdb.ub4spare[3]:?????????????????? 0 ; 0x0f8: 0x00000000
kfdhdb.ub4spare[4]:???? ??????????????0 ; 0x0fc: 0x00000000
kfdhdb.ub4spare[5]:?????????????????? 0 ; 0x100: 0x00000000
kfdhdb.ub4spare[6]:?????????????????? 0 ; 0x104: 0x00000000
kfdhdb.ub4spare[7]:?????????????????? 0 ; 0x108: 0x00000000
kfdhdb.ub4spare[8]:?????????????????? 0 ; 0x10c: 0x00000000
kfdhdb.ub4spare[9]:?????????????????? 0 ; 0x110: 0x00000000
kfdhdb.ub4spare[10]:????????????????? 0 ; 0x114: 0x00000000
kfdhdb.ub4spare[11]:????????????????? 0 ; 0x118: 0x00000000
kfdhdb.ub4spare[12]:????????????????? 0 ; 0x11c: 0x00000000
kfdhdb.ub4spare[13]:????????????????? 0 ; 0x120: 0x00000000
kfdhdb.ub4spare[14]:????????????????? 0 ; 0x124: 0x00000000
kfdhdb.ub4spare[15]:????????????????? 0 ; 0x128: 0x00000000
kfdhdb.ub4spare[16]:????????????????? 0 ; 0x12c: 0x00000000
kfdhdb.ub4spare[17]:????????????????? 0 ; 0x130: 0x00000000
kfdhdb.ub4spare[18]:????????????????? 0 ; 0x134: 0x00000000
kfdhdb.ub4spare[19]:????????????????? 0 ; 0x138: 0x00000000
kfdhdb.ub4spare[20]:????????????????? 0 ; 0x13c: 0x00000000
kfdhdb.ub4spare[21]:????????????????? 0 ; 0x140: 0x00000000
kfdhdb.ub4spare[22]:????????????????? 0 ; 0x144: 0x00000000
kfdhdb.ub4spare[23]:????????????????? 0 ; 0x148: 0x00000000
kfdhdb.ub4spare[24]:????????????????? 0 ; 0x14c: 0x00000000
kfdhdb.ub4spare[25]:??????????? ??????0 ; 0x150: 0x00000000
kfdhdb.ub4spare[26]:????????????????? 0 ; 0x154: 0x00000000
kfdhdb.ub4spare[27]:????????????????? 0 ; 0x158: 0x00000000
kfdhdb.ub4spare[28]:????????????????? 0 ; 0x15c: 0x00000000
kfdhdb.ub4spare[29]:????????????????? 0 ; 0x160: 0x00000000
kfdhdb.ub4spare[30]:????????????????? 0 ; 0x164: 0x00000000
kfdhdb.ub4spare[31]:????????????????? 0 ; 0x168: 0x00000000
kfdhdb.ub4spare[32]:????????????????? 0 ; 0x16c: 0x00000000
kfdhdb.ub4spare[33]:????????????????? 0 ; 0x170: 0x00000000
kfdhdb.ub4spare[34]:????????????????? 0 ; 0x174: 0x00000000
kfdhdb.ub4spare[35]:????????????????? 0 ; 0x178: 0x00000000
kfdhdb.ub4spare[36]:????????????????? 0 ; 0x17c: 0x00000000
kfdhdb.ub4spare[37]:????????????????? 0 ; 0x180: 0x00000000
kfdhdb.ub4spare[38]:????????????????? 0 ; 0x184: 0x00000000
kfdhdb.ub4spare[39]:????????????????? 0 ; 0x188: 0x00000000
kfdhdb.ub4spare[40]:????????????????? 0 ; 0x18c: 0x00000000
kfdhdb.ub4spare[41]:????????????????? 0 ; 0x190: 0x00000000
kfdhdb.ub4spare[42]:??????????????? ??0 ; 0x194: 0x00000000
kfdhdb.ub4spare[43]:????????????????? 0 ; 0x198: 0x00000000
kfdhdb.ub4spare[44]:????????????????? 0 ; 0x19c: 0x00000000
kfdhdb.ub4spare[45]:????????????????? 0 ; 0x1a0: 0x00000000
kfdhdb.ub4spare[46]:????????????????? 0 ; 0x1a4: 0x00000000
kfdhdb.ub4spare[47]:????????????????? 0 ; 0x1a8: 0x00000000
kfdhdb.ub4spare[48]:????????????????? 0 ; 0x1ac: 0x00000000
kfdhdb.ub4spare[49]:????????????????? 0 ; 0x1b0: 0x00000000
kfdhdb.ub4spare[50]:????????????????? 0 ; 0x1b4: 0x00000000
kfdhdb.ub4spare[51]:????????????????? 0 ; 0x1b8: 0x00000000
kfdhdb.ub4spare[52]:????????????????? 0 ; 0x1bc: 0x00000000
kfdhdb.ub4spare[53]:????????????????? 0 ; 0x1c0: 0x00000000
kfdhdb.ub4spare[54]:??????????? ??????0 ; 0x1c4: 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
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1.3 ASM 磁盤里的一些名詞解釋
（1）kfbh.endian
????kf3.h??/*endianness of writer */
??????Littleendian = 1
??????Bigendian = 0
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（2）?kfbh.hard??
????kf3.h??/*H.A.R.D. magic # and block size */
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（3）?kfbh.type
???kf3.h???/*metadata blocktype??????????????*/
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（4）?kfbh.datfmt
???kf3.h??/*metadata block?data?format???????*/
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（5）?kfbh.block
???kf3.h??/* blocklocation of thisblock?????*/???????????????
?????blk -- Diskheader should have T=0 and NUMB=0x0
?????obj -- Diskheader should have TYPE=0x8 NUMB=<disknumber>
???blk and obj values arederived from a series of macros in kf3.h.?See
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???"KFBL Macros"in kf3.h for more information.
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（6）?kfbh.check
???kf3.h??/* checkvalue to verify consistency */
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（7）?kfbh.fcn
???kf3.h??/*change number of last change?????*/-
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（8）?kfdhdb.driver
???kf3.h??/*OSMLIB driver reserved block?*/
??????If nodriver is defined "ORCLDISK" is used.
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（9）?kfdhdb.compat
???kf3.h??/*Comaptible software version??*/
?????example:0x0a100000
?????Youget:????
?????????a=101=1 so 10.1.0.0.0
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（10）?kfdhdb.dsknum
???kf3.h??/* OSMdisknumber??????????????*
?????This is thedisk number.?The first disk being "0".?There can be up to
?????ub2 disks ina diskgroup.?This allows for 65336 disks 0 through 65335.
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（11）?kfdhdb.grptyp
???kf3.h??/* Diskgrouptype??????????????*/
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（12）?kfdhdb.hdrsts
???kf3.h??/* Diskheaderstatus???????????*/
?????This is whatis used to determine if a disk is available or not to
?????thediskgroup.?0x03 is the correct value for a valid status.
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?（13）kfdhdb.dskname??/*OSMdisk name??????*/
?（14）kfdhdb.grpname??/*OSM disk group name */
?（15）kfdhdb.fgname???/*Failure group name?*/
?（16）kfdhdb.capname??/*Capacity grp, unused*/???
?（17）kfdhdb.crestmp??/*Creationtimestamp???????????*/
?（18）kfdhdb.mntstmp??/*Mounttimestamp??????????????*/
?????? kf3.hTo derive the hi and low time`from an unformated dump use the
???"KFTS Macros" inkf3.h.
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（19）?kfdhdb.secsize
???kf3.h??/* Disksector size (bytes)?????*/
?????This is thephysical sector size of the disk in bytes. All I/O's to the
?????disk aredescribed in physical sectors. This must be a power of 2. An
?????ideal valuewould be 4096, but most disks are formatted with 512 byte
?????sectors.(from asmlib.h)
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（20）?kfdhdb.blksize
???kf3.h??/*Metadata block (bytes)???????*/
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（21）?kfdhdb.ausize
???kf3.h??/*Allocation Unit (bytes)??????*/
???
（22）?kfdhdb.mfact
???kf3.h??/*Stride between phys addr AUs?*/
???
（23）?kfdhdb.dsksize
???kf3.h??/* Disksize inAUs?????????????*/
?????Mulitply byAUs to get actual size of disk when added.
?????
（24）?kfdhdb.pmcnt
???kf3.h??/*Permanent phys addressed AUs?*/
?????Number ofphysically addressed allocation units.
?????
（25）?kfdhdb.fstlocn
???kf3.h??/* FirstFreeSpace table blk num */
?????Used to findfreespace.
?????
（26）?kfdhdb.altlocn
???kf3.h??/* FirstAlocation table blk num */
?????Used to findalocated space.
?????
（27）?kfdhdb.f1b1locn
???kf3.h??/* FileDirectory blk 1 AU num??*/
?????Beginging forfile directory.
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1.4 一個損壞了的disk的KFED 結果
kfbh.endian: 83 ; 0×000: 0×53
kfbh.hard: 0 ; 0×001: 0×00
kfbh.type: 0 ; 0×002: KFBTYP_INVALID
kfbh.datfmt: 0 ; 0×003: 0×00
kfbh.block.blk: 4294967293 ; 0×004: T=1 NUMB=0x7ffffffd
kfbh.block.obj: 65286 ; 0×008: TYPE=0×0 NUMB=0xff06
kfbh.check: 144 ; 0x00c: 0×00000090
kfbh.fcn.base: 136903976 ; 0×010: 0x0828fd28
kfbh.fcn.wrap: 4294953840 ; 0×014: 0xffffcb70
kfbh.spare1: 136905029 ; 0×018: 0×08290145
kfbh.spare2: 30000 ; 0x01c: 0×00007530
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二.KFOD ( OSM Discovery utility?)說明
?????? 這里的OSM是：Order and Service Management，KFOD 命令可以在系統級別對來查找ASM。也可以用來監控ASM.
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2.1 KFOD的幫助
[oracle@rac2 ~]$ kfod -h
_asm_a/llow_only_raw_disks????????????? KFOD allow only raw devices[_asm_allow_only_raw_disks=TRUE/(FALSE)]
_asm_l/ibraries???????? ASMLibraries[_asm_libraries='lib1','lib2',...]
_asms/id??????????????? ASM Instance[_asmsid=sid]
a/sm_diskstring???????? ASM Diskstring[asm_diskstring='discoverystring', 'discoverystring' ...]
d/isks????????? Disks to discover [disks=raw,asm,all]
g/roup????????? Group discover [group=controlfile]
n/ohdr????????? KFOD header suppression[nohdr=TRUE/(FALSE)]
o/p???????????? KFOD options type[OP=DISKS/GROUPS/ALL]
p/file????????? ASM parameter file[pfile='parameterfile']
s/tatus???????? Include disk header status[status=TRUE/(FALSE)]
v/erbose??????????????? KFOD verbose errors[verbose=TRUE/(FALSE)]
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2.2 KFOD 示例
[oracle@rac2 ~]$kfod?
--------------------------------------------------------------------------------
ORACLE_SID ORACLE_HOME?????????????????????????????????????????????????????????
================================================================================
????+ASM2 /u01/app/oracle/product/10.2.0/db_1?????????????????????????????????
????+ASM1 /u01/app/oracle/product/10.2.0/db_1????
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[oracle@rac2 ~]$ kfod disk=all
--------------------------------------------------------------------------------
?Disk?????????Size Path?????
================================================================================
??1:??????? 101 Mb /dev/raw/raw1
??2:??????? 101 Mb /dev/raw/raw2
??3:??????? 101 Mb /dev/raw/raw3
??4:??????? 101 Mb /dev/raw/raw4
??5:??????? 101 Mb /dev/raw/raw5
??6:??????? 101 Mb /dev/raw/raw6
??7:??????? 101 Mb /dev/raw/raw7
??8:??????? 101 Mb /dev/raw/raw8
--------------------------------------------------------------------------------
ORACLE_SID ORACLE_HOME?????????????????????????????????????????????????????????
================================================================================
????+ASM2 /u01/app/oracle/product/10.2.0/db_1?????????????????????????????????
????+ASM1 /u01/app/oracle/product/10.2.0/db_1???
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[oracle@rac2 ~]$ kfod op=disks
--------------------------------------------------------------------------------
?Disk?????????Size Path?????
================================================================================
??1:??????? 101 Mb /dev/raw/raw3
??2:??????? 101 Mb /dev/raw/raw4
??3:??????? 101 Mb /dev/raw/raw8
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?????? 這篇就簡單的介紹一下這2個命令， 在下篇ASM disk header 的備份與恢復中在詳細的看一下這2個命令的使用。
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Blog： http://blog.csdn.net/tianlesoftware
Weibo: http://weibo.com/tianlesoftware
Email: dvd.dba@gmail.com
DBA1 群：62697716(滿);?? DBA2 群：62697977(滿)??DBA3 群：62697850(滿)??
DBA 超級群：63306533(滿);? DBA4 群： 83829929(滿)?DBA5群： 142216823(滿)?
DBA6 群：158654907(滿)? 聊天 群：40132017(滿)?? 聊天2群：69087192(滿)
--加群需要在備注說明Oracle表空間和數據文件的關系，否則拒絕申請
轉載于:https://www.cnblogs.com/spring3mvc/archive/2011/08/29/2414553.html
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