2021-04-09 05:46:27 -05:00
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#!/bin/bash
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# NOTE this is OSX specific
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# Linux version REF: https://www.ostechnix.com/how-to-boot-from-usb-drive-in-virtualbox-in-linux/
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# REF: https://apple.stackexchange.com/questions/192292/how-to-do-raw-device-access-with-virtualbox
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# REF: https://www.maketecheasier.com/boot-from-usb-drive-virtualbox/
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diskutil list
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mydisk="/dev/disk1"
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myuser="dave"
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#/dev/disk3 (external, physical):
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#: TYPE NAME SIZE IDENTIFIER
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# 0: FDisk_partition_scheme *8.1 GB disk3
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# 1: Apple_HFS Install macOS High S... 8.1 GB disk3s1
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diskutil unmount $mydisk''s1
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echo "NOTE make sure $mydisk is unmounted partition in Disk Utility 1st! PK"
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read -n 1
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#VBoxManage internalcommands createrawvmdk -filename C:\extdisk.vmdk -rawdisk \\.\PhysicalDrive1
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# create in home dir -- appears easier
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cd # /Volumes/zmac/virtbox-virtmachines
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[ -e usbdisk.vmdk ] && /bin/rm usbdisk.vmdk
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sudo VBoxManage internalcommands createrawvmdk -filename usbdisk.vmdk -rawdisk $mydisk
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sudo chown $myuser usbdisk.vmdk
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sudo chown -R $myuser $mydisk* # ''s1
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ls -al $mydisk*
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#VBoxManage internalcommands listpartitions -rawdisk usbdisk.vmdk
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cat << EOF
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NOTE - the VM MUST have at least a dual-CPU!
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MAKE SURE the VM has 128MB video RAM and ~2200-2300MB RAM
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NOTE - you will probably have to re- chown $myuser $mydisk everytime you boot the VM!
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( Use ' vbox-reown-usb-rawdisk.sh ' )
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2021-04-09 06:12:29 -05:00
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AND - as an additional PITA, if the installer USB disk ID changes you have to REMOVE it FIRST
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2021-04-09 05:46:27 -05:00
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in Vbox Global Tools BEFORE re-adding the usbdisk.vmdk to the VM
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as Hotplug (SSD may not be nec)!!!
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...and REMEMBER to Run DISK UTILITY **1st** (Erase) if the vbox HD is unformatted!
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This will allow Selecting it as the Startup disk.
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Make sure General \ Basic \ Version is set to the right OS + Bits
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Format with GPT table -- Try APFS + GPT ?? Vbox has problems booting from GPT + HFS+
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REF: As of 2018.0519 : VirtualBox does not yet support HFS+ filesystems on GPT partitioned drives when starting from EFI.
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REF: https://superuser.com/questions/964037/getting-uefi-shell-when-trying-to-boot-os-x-in-virtual-box
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Disk Utility \ View \ All devices - format as MBR - does NOT work
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EOF
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diskutil unmount $mydisk''s1
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pwd
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ls -alh *.vmdk $mydisk*
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