<<Back to Oracle ASM Main Page 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: KFBT...
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