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ASMCMD-9521: AFD is already configured

 

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ASMCMD-9521: AFD is already configured while labeling the disk


#export ORACLE_HOME=/u01/app/product/19c/grid
#export ORACLE_BASE=/u01/app


# $ORACLE_HOME/bin/asmcmd afd_label FRA_01_RAC_001  /dev/dm-10 --init
 
ASMCMD-9521: AFD is already configured

After checking the disk status I found the disk is available to lable

#$ORACLE_HOME/bin/asmcmd afd_lslbl /dev/dm-10
No devices to be scanned.

The Permission is also fine
# ls -lrt /dev/dm-10 
lrwxrwxrwx 1 root root 8 Sep 28 10:19 /dev/dm-10 

Lets read the header of this disk

# $ORACLE_HOME/bin/kfed read /dev/dm-10 
kfbh.endian:                          0 ; 0x000: 0x00
kfbh.hard:                            0 ; 0x001: 0x00
kfbh.type:                            0 ; 0x002: KFBTYP_INVALID
kfbh.datfmt:                          0 ; 0x003: 0x00
kfbh.block.blk:                       0 ; 0x004: blk=0
kfbh.block.obj:                       0 ; 0x008: file=0
kfbh.check:                           0 ; 0x00c: 0x00000000
kfbh.fcn.base:                        0 ; 0x010: 0x00000000
kfbh.fcn.wrap:                        0 ; 0x014: 0x00000000
kfbh.spare1:                          0 ; 0x018: 0x00000000
kfbh.spare2:                          0 ; 0x01c: 0x00000000
000000000 00000000 00000000 00000000 00000000  [................]
  Repeat 255 times
KFED-00322: invalid content encountered during block traversal: [kfbtTraverseBlock][Invalid OSM block type][][0]

So it seems the disk assigned to the server is not a clean disk


Solution:

# $ORACLE_HOME/bin/asmcmd afd_label FRA_01_RAC_001 /dev/dm-10

OR

 # $ORACLE_HOME/bin/asmcmd afd_label FRA_01_RAC_001 /dev/dm-10 --migrate

OR

#dd if=/dev/zero of=/dev/dm-10 bs=4M count 10

# $ORACLE_HOME/bin/asmcmd afd_label FRA_01_RAC_001 /dev/dm-10 --init



 # $ORACLE_HOME/bin/asmcmd afd_lslbl /dev/dm-10
--------------------------------------------------------------------------------
Label                     Duplicate  Path
================================================================================
FRA_01_RAC_001                 /dev/dm-10

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