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I thought this would be a simple thing, yet find no docs nor examples: I want to do the equivalent of reformatting and/or removing all partitions from a QCOW2 file assigned to a VM Why? I started installing a VM, messed it up, and want to start over without redoing the entire hardware config...

Initial symptoms... Diagnosed and solved: My password/form helper remembered an earlier version of the login form It used to use "English" but now uses "Default (English)" By forcing "English" into the form field, it silently made it impossible to login Such fun :cool:

Sounds like you have other issues. If I had to guess, please ensure your BIOS/UEFI is set to actually boot from the disk you chose to install on! That's outside the purview of proxmox ;)

Why don't you start a new thread....provide your setup etc...

Do you know of ANY situation where the EFI disk MUST be small? I've not ever seen that. In such situations, what makes sense is to do the rounding up front as well as can be done. We've long had the technology to know about such things in advance. Honestly I don't think anybody will complain...

I can say, from painful experience doing a pile of WireShark/tcpdump scans at various physical points points on the network: If I have: * a trunked vmbrX connection with no VLAN aware, used just as a trunk (works just fine, any number of VLAN's set up by pfSense there) * and I build and destroy...

I just caused myself some serious grief, breaking our network for hours. I've solved the problem... but I believe ProxMox could easily help users to avoid this issue. A bit of background I have a four port (I350) Intel network card with SR-IOV capability. It's been wonderful. One of the ports...

I dug in pretty far before concluding that there's no client for MS Windows (of any type), nor MacOS. And I don't see it in the roadmap. Am I missing anything with that assessment? Thanks!

This would be a good area for general improvement, ie: Track in PVE builds (what logs are frequently written) Provide a basic level of GUI/scripted control over Potentially Unwanted Logging (PUL) similar to PUP in endpoint security :)

Yes, LVM is a Framework for Storage Management. ;) Let's not lose track of the key question: It's incorrect to claim that ZFS is less efficient, due to a wasteful extra write (whether overwriting the original data block as was originally suggested above, or to a "snapshot filesystem.") ZFS...

That's almost exactly what I (and Ahrens) describe... and what you're describing as well :) ... but with a small rather important error (I suspect the author of ZFS knows a bit more about this than Aaron Toponce ;) ) Quoting Ahrens, who provides a mini code summary in the link I already gave...

I've got a brand new HP Z2 workstation, with Win10 preinstalled on the NVMe. I am going to immediately reconfigure it as a ProxMox host. I'd like to use the Win10 license as a VM. My question: can I extract the Win10 partition(s) onto a separate HDD (using bootable PartEd), load up PVE, then...

If that's how CoW works, I'm amazed. - block1 is already correctly stored. No reason to write it elsewhere! - I always assumed CoW simply stores the modified version (elsewhere), updating the metadata. I've just done my homework. ZFS does NOT work the way you say it does, @bbgeek17. Some...

I'm really feeling the noob sense right now. One of my clustered hosts has a lot of extra capacity. I've created a couple of extra ZFS pools on that host. I was thinking I'd use them for ISO and backups. Now I see that /etc/pve/storage.cfg is identical on all hosts, and is used to define what...

It's silent when using anything other than a Template as source ;) Good find! (I don't use templates much, yet.) So, revised suggestion: Please include the "Mode" field (Full Clone vs Linked Clone) for non-template sources, grayed out of course to only allow Full. Not that simple or obvious...

Is there no way to detect that it has been written? (If nothing else, do a binary compare before and after the copy ;) ) Since EFI storage is small (typically a few hundred MB), and writes to EFI storage are incredibly rare, why not: 1) Have the migrate fail on EFI write... or better: 2) do...

I should have been clearer (particularly since I am lamenting lack of GUI clarity!) My apologies. SOME is not in the documentation: * Nothing explains that the GUI clone tool silently does linked vs full clone depending on the source. (This of course is best "documented" in the user interface...

@fabian something we do in other circumstances is preserve a copy of such crucial info on occasion, eg during reboot etc. EFI config info doesn't change often... so while it is writable, it is rarely written, correct? This is truly a killer issue. :(

+1 ... I need to clone a crucial running VM. 100% failure when it attempts to make a mirror of the EFI disk. (This makes no sense to me... isn't the EFI partition only used during boot?)

SUGGESTION: Please document and highlight some of the above! It is NOT in the documentation, and as the OP mentioned, it is not said in the GUI. GUI crucial confusing items missing: * If copying from a non-template, call this "Full Clone"; if copying from template, call it "LInked Clone" (I...