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MariusRoma
Expert
Expert

Diskadd and disk type

I am using the diskadd command to add a disk to an existing VM.

My command looks like:

vim-cmd vmsvc/device.diskadd $idvm $newdisk scsi0 $unit $ds2

where:

$idvm = VM id

$newdisk = size

$ds2 = datastore

$unit= unit in scsi0

I see that the new disk is created either as a thin or a thick disk wiht no evident reason.

How does the command decide to create a thin or a thick disk?

How can I say to create a thin disk?

Regards

marius

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1 Reply
aleex42
Enthusiast
Enthusiast

First create the disk:

vmkfstools –c 10G -a lsilogic -d thick /vmfs/volumes/datastore/vm1/vm1_1.vmdk

and then attach it:

vim-cmd vmsvc/device.diskaddexisting <VM-ID> /vmfs/volumes/datastore/vm1/vm1_1.vmdk x y

x: SCSI controller

y: SCSI target number

Hope to help Smiley Happy

Alex

-- Alex (VMware VCAP-DCV, NetApp NCIE, LPIC 2)
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