veritas volume manager issue

Hello,

My disk is visible to os, but can initialize.

#/etc/vx/bin/vxdisksetup -i c1t0d0 format=sliced
prtvtoc: /dev/vx/rdmp/c1t0d0s2: No such device or address
${PWD}#ls  -lia  /dev/vx/rdmp/c1t0d0s2
  16484835 crw-------   1 root     root      96,  2 Oct  2 06:38 /dev/vx/rdmp/c1t0d0s2

#vxdisk list
DEVICE       TYPE            DISK         GROUP        STATUS
c1t0d0s2     auto:none       -            -            error
c1t0d0s2     auto            -            -            error


root@xxxxxxxx:${PWD}#vxdisk online c1t0d0
VxVM vxdisk ERROR V-5-1-531 Device c1t0d0s2: online failed:
        Duplicate device

How can we fix the duplicate device?
mokkanAsked:
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Pepe2323Commented:
Hi
run the following command

vxdisk scandisks

then list again you disk and shall be shown as online
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mokkanAuthor Commented:
vxdisk list
DEVICE       TYPE            DISK         GROUP        STATUS
c1t0d0s2     auto            -            -            error
c1t0d0s2     auto:none       -            -            error
c1t0d0s2     auto            -            -            error
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Pepe2323Commented:
did u run the vxdisk scandisks ??
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mokkanAuthor Commented:
Yes, It didn't provide any output.
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Pepe2323Commented:
check the following link

http://gurkulindia.com/main/2011/05/veritas-volume-manager-resolving-duplicate-diskdevice-entries-in-vxdisk-list-or-vxdisksetup/

This might be your problem

you need to remove all entries and the rescan for the disk
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SandyCommented:
it is vxdmpadm issue. Please check the multipath as this device was shown as duplicate device.
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mokkanAuthor Commented:
Thank  you
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