disk unlock for closemedium

[klevchenko]

when use VBoxManage clonehdd <img> <new path> it will lock disk
and after VBoxManage closemedium <img>

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Failed to close the disk image file /home/klevchenko/vbox_imgs/Ubuntu 16.04.6 (64bit).vmdk.

Medium '/home/klevchenko/vbox_imgs/Ubuntu 16.04.6 (64bit).vmdk' is locked for reading by another task.

Result Code: VBOX_E_INVALID_OBJECT_STATE (0x80BB0007)
Component: MediumWrap
Interface: IMedium {ad47ad09-787b-44ab-b343-a082a3f2dfb1}

so how can i unlock it to clone while first clone is running

if i remove

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<HardDisk uuid="{60cda39c-eb9d-43b8-b43f-b206c851fc4b}" location="/home/klevchenko/vbox_imgs/Ubuntu 16.04.6 (64bit).vmdk" format="VMDK" type="Normal"/>

from

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 .config/VirtualBox/VirtualBox.xml

it allow to clone hdd multiple times

but i want to use VBoxManage command if it pissible

[scottgus1]

Medium '/home/klevchenko/vbox_imgs/Ubuntu 16.04.6 (64bit).vmdk' is locked for reading by another task.
...
so how can i unlock it to clone while first clone is running

Are you trying to clone the disk more than once, and start the second clone process before the first clone process is finished?

[klevchenko]

Are you trying to clone the disk more than once, and start the second clone process before the first clone process is finished?

yes and with deleting data about disk from

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.config/VirtualBox/VirtualBox.xml

it can be done

[scottgus1]

I don't know if there is a legitimate way to do what you're doing within Virtualbox. There is a warning at the top of Virtualbox's XML files:

** DO NOT EDIT THIS FILE.
** If you make changes to this file while any VirtualBox related application
** is running, your changes will be overwritten later, without taking effect.
** Use VBoxManage or the VirtualBox Manager GUI to make changes.

As a thought, if you copy the shut-down guest's disk file in the host OS, you can then clone the copy of the disk file outside Virtualbox's knowledge, so Virtualbox might not lock the drive file for multiple simultaneous clones. Or Mpack's CloneVDI might do the clone.