A PVM file is a virtual machine created by Parallels Desktop for Mac, a virtualization application for Macs that can run other operating systems. It is a macOS package that stores all of the information for a virtual machine required by Parallels Desktop for Mac to load and run an operating system, such as Windows or macOS.
Each PVM file is a macOS package that contains all the files Parallels Desktop needs to launch an operating system. One of these files is an .HDD file, which stores the files saved to your virtual machine's hard drive. For example, a Windows virtual machine's HDD file includes all the Windows program files you have added to that virtual machine. Another file located within a PVM file is the Parallels Desktop Configuration .PVS file, which contains settings for the VM.
Pvm For Mac
In macOS, you can right-click a PVM file and select Show Package Contents to view the package's directories and files with Apple Finder. Files you may find stored within a PVM file include PVS, HDD, .LOG, .ISO, and .DAT files.
Digital photo album created with HP digital camera software; contains a list of images imported from an HP digital camera; often named "album.pvm" or "index.pvm;" used by HP Image Zone Express, which has been replaced by Photosmart software.
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Note: a virtual machine (VM) created on an Intel-based Mac cannot be started on a Mac computer with M1 chip. A new VM on a Mac with Apple M1 chip must be created (see KB 125375). However, you can transfer your data from the original VM as per KB 125344.
Note: OS X does not support writing to NTFS partitions by default. We recommend formatting your external drive to either OS X native HFS+ file system or ExFAT file system (for compatibility with Windows PCs).
I run Time Machine also, and it is great, and it has saved me on a number of occasions. However, Time Machine is not a good choice to backup Windows on your Mac. Time Machine works by checking every hour for files that have changed on your Mac, and then backs them up. Anytime you start up or use Windows on your Mac, the .pvm file will change. The change might be really small, but Time Machine cannot see that. So, Time Machine backs up the entire .pvm file, which is usually more than 10GB, and can be hundreds of GBs. If this gigantic file is backed up once every hour, you will quickly fill up the Time Machine drive. For the same reason, backing up Windows to iCloud Drive is a bad idea.
The steps below will work for any version of Windows. (Or, for that matter, any version of Linux, macOS, or any other OS that you have installed in Parallels Desktop on your Mac.) All you need is a high-capacity, speedy external drive attached to your Mac. For my home setup, I have a 10TB, external USB drive which I purchased new for about $175 USD. You will need to have this external drive connected to your Mac, and it should be visible on the Mac desktop.
I recommend that you also add a recurring item to your calendar, reminding you to back up Windows. You can do this once or twice a month, depending on how much work you are willing to lose in case of hardware failure, or other problems.
Suppose calamity strikes, and you have to restore your backup of Windows. No problem! Just copy the backup pvm file back to the same folder on your Mac where it was located when you backed it up. You will lose whatever work you have done since you made the backup, but this will usually be a lot smaller loss than if you had never backed up at all.
Is there some way to install Mac OS X as a guest OS without that second .hdd file? I want to be able to backup and move around my main Parallels file (the boot drive) without having to pull that second file around. Deleting that second file breaks the main VM file, making the VM unusable.
This OS X image file.hdd file is in addition to the the file containing the actual virtual macOS, the .pvm file such as macOS.pvm by default or macOS Sierra.pvm in this screenshot. The .pvm file is the important one, the one to keep.
For Parallels 11.2.2 and macOS 10.12 Sierra as guest OS, I had the same problem. Once the VM is installed make sure you configure the VM, go to the Hardware tab, select the Hard Disk item in the lefthand column that represents the unnecessary "OS X image file.hdd" file and click the minus sign button to remove it. You can delete the actual "OS X image file.hdd" file and your VM won't complain about it being missing when booting.
After booting to the pre-installation boot environment in the OS X image file.hdd, OS X will be installed to the main drive inside the VM pvm package. After installing OS X you may unload/remove and safely delete the hdd file.
Personally I prefer to create an iso file and use that one to install OS X in one or several Parallels VMs. Use the script here: Install El Capitan with VirtualBox on OS X to accomplish this - the resulting iso also works with Parallels.
I have seen the exact same issue, just happened again this week, Disk Utility sees an issue in that file (and a file copy isn't able to complete once it's in that state) but Disk Utility isn't able to repair (even when Mac booted to Repair mode), only fix I've seen is to kill/restore the PVM, I also do a reformat of the SSD but don't think it's necessary.
My guess is that it's an edgecase Mac filesystem bug exposed through how Parallels does PVM, perhaps related to Win10 disk mgmt that does interesting things under the covers (defrag etc. is now all hidden and happens behind the scenes).
I had the EXACT same problem, right down to trying to copy my VM to an external disk (to see if it was an SSD error) and getting the 100034 error and needing to reboot twice to get Parallels to launch. I came across this post by googling that error code.
I have iStat menus and observed that frequently, while using my VM - I'm not sure of the trigger prl_disp_service would peg at 30MB/s disk read; this was when everything went to hell. My Mac host OS would go from sluggish (blocking on disk IO?) to frozen altogether. Killing prl_disp_service wouldn't clear the 30MB/s read, it would just move it to kernel_task or hide its source altogether. CPU for prl_disp_service was slightly elevated but nowhere near pegged. Also, 30MB/s is nowhere near pegged for disk I/O either.
After (stupidly) trying to reclaim disk space so I could move my VM to an external drive - and having the disk reclaimer fail with the same 30MB/s lockup and system fault, ultimately freezing the entire host OS - I could no longer start my VM at all. No reports of corruption, just the same hangup. But the disk resizer is a different process and Windows is not running.
I would also add that the failure of Parallels to launch after the first reboot was the Parallels application, not the virtual machine. But maybe it does some scan or something if it was force-quit while a VM was running that triggered the issue?
I'm not sure what the root cause is, but I suspect Jim hit the nail on the head: that it's Parallels exposing some bug in the file system. Maybe resulting from the switch to APFS? I would further speculate that it may have been related to expanding the disk image size. The issue started after a Windows update, but I had also just installed SolidWorks, and had recently updated Parallels from 15.1.4 to 15.1.5. At first rolling back to 15.1.4 seemed to fix the problem - or at least cause it to recover sometimes - but it quickly became unusable.
Unfortunately removing the Parallels Desktop application does not remove the virtual machines that you had installed on it. Unless you delete the virtual machines manually they will keep taking up a significant part of your storage.
You have a PVM (Parallels Virtual Machine) file installed on a Mac that is running Parallels in order to run CAD. You are wondering whether you can install that same .pvm file on another Mac. Essentially, you would be using a standard .pvm file for each Mac you set up in your office.
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PVM file Extension Pis primarily used by the Image Zone software created by Hewlett-Packard (HP). Files of this extension are image files with stored on a folder or album with information about it. These albums are in XML format and contain information about the images it is stores. PVM can run on Windows operating system.
PVM file extension is mostly generated when importing images from a CD or digital devices for viewing purposes. Once HP Image Zone software is activated, it will automatically rename files with extension such as .jpg to its native extension .pvm. This file can also be created using Hewlett-Packard digital camera software.
Files with this extension mostly appear as "album.pvm" or "index.pvm". These are files containing information about those images stored on it. This is mainly use for sharing image files and transferring them to any portable media such as CDs and DVDs. In addition, PVM files can also be generated by other digital devices including printers and digital cameras. Another standard using the same file extension was developed by Optical Storage Technology Association (OSTA) to manage digital content including images, music, and video using XML format. 2ff7e9595c
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