After reboot, the situation could change e.g. I use rdisk-disk2.vmdk for the name, because this virtual machine is just a pointer to this device. You may want to add an entry in fstab with the added parameters noauto to prevent the OS from remounting the drive. VBoxManage internalcommands createrawvmdk -filename "$HOME/dev-disk2.vmdk" -rawdisk /dev/disk2Įject the device before this step, otherwise you will get an error: VERR_RESOURCE_BUSY. 2, as in /dev/disk2 Assuming 2 for the rest of the instructions. I had a need to do this today and I saw your question, so here is a protocol of the steps I took. Now, when I start the linux guest OS, I get the FATAL: No bootable medium found! System halted.
Also, /dev/disk0 is now readable from VBoxManage: $ VBoxManage internalcommands listpartitions -rawdisk /dev/disk0 Per the Froggard howto made it so I could add the image to a VM. Making myself the owner of the /dev/disk0 and /dev/disk0s2 with $ chown $USER /dev/disk0 Here, disk0 is the dedicated linux drive. VBoxManage: error: Invalid UUID or filename "/Users/me/VirtualBoxVMs/Xub_raw_disk.vmdk" VBoxManage: error: Context: "OpenMedium(Bstr(pszFilenameOrUuid).raw(), enmDevType, enmAccessMode, fForceNewUuidOnOpen, pMedium.asOutParam())" at line 178 of file VBoxManageDisk.cpp VBoxManage: error: Details: code VBOX_E_FILE_ERROR (0x80bb0004), component Medium, interface IMedium, callee nsISupports VBoxManage: error: Could not find file for the medium '/Users/me/VirtualBoxVMs/Xub_raw_disk.vmdk' (VERR_FILE_NOT_FOUND) vmdk file from the GUI or with the command below, I get an error: $ VBoxManage storageattach "Xub_raw_testing" -storagectl "SATA" -port 0 -type hdd -medium /Users/me/VirtualBoxVMs/Xub_raw_disk.vmdk Since nothing shows up here for sectors or partitions, this must be a symptom of the problem. Number Type StartCHS EndCHS Size (MiB) Start (Sect) See if VirtualBox can see anything on the Xub_raw_disk.vmdk file: $ VBoxManage internalcommands listpartitions -rawdisk /Users/me/VirtualBoxVMs/Xub_raw_disk.vmdk Make me the owner: $ sudo chown me /Users/me/VirtualBoxVMs/Xub_raw_disk.vmdk RAW host disk access VMDK file /Users/me/VirtualBoxVMs/Xub_raw_disk.vmdk created successfully. Things done so far: (don't try this at home)Ĭreated a raw vmdk file: $ sudo VBoxManage internalcommands createrawvmdk -filename /Users/me/VirtualBoxVMs/Xub_raw_disk.vmdk -rawdisk /dev/disk0 So I am trying to set up raw device access w/ VirtualBox to use a ext4/linux disk as a guest OS within Mac OS X, but haven't succeeded yet.įollowing the VirtualBox docs, Chapter 9.9.1.1, will Mac OS X allow raw disk access for VMs? How do I set this up?
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