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V$ASM_DISK View Shows Some Disk Header Status as IGNORED and Group Number as "0". (Doc ID 1299866.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 12.2]
Information in this document applies to any platform.


1] V$ASM_DISK view shows disk header status as IGNORED and group number as "0".

2] Background ASM trace file corresponding sqlplus shows the following similar message.

Ignoring dsk because it is a duplicatekfdsk:0xb7b91620                                  <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
disk: num: 21/47626513311654 grp: 0/47622597378048 compat: dbcompat:
fg: path: /dev/oracleasm/disks/ASM1                                                            <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
mnt: O hdr: M mode: v v(--) p(r-) a(-) d(-) sta: N flg: 1001
slot 65535 ddeslot 65535 numslots 65535 dtype 0 enc 0 part 0 flags 0
kfts: 2013/03/02 10:11:53.307000
kfts: 2013/11/15 01:18:09.263000
pcnt: 0 ()
kfkid: 0xb7bbf940, kfknm: , status: IDENTIFIED
fob: (KSFD)ba77c470, magic: bebe ausize: 0
kfdds: dn=21 inc=3915933606 dsk=0xb7b91620 usrp=0x2b50f0992118  
kfkds 0x2b50f08b07f8, kfkid 0xb7bbf940, magic abbe, libnum 0, bpau 0, fob 0xba77dec0
Ignoring dsk because it is a duplicatekfdsk:0xb7b919a0



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