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    qm stop OFTEN fails due to lock file. What's the correct solution?

    More often than not, qm stop fails because the lock file can't be locked. The very common workaround DOES work: delete the lock file, then run qm stop. But if that's all it takes, why bother messing with lock files at all? What's the correct way to fix this, so qm stop actually works without...
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    Windows 10 VM: Ping event is logged every 11 seconds by qemu-ga??!! How To Fix?

    I have my first Windows VM. I was shocked to discover, when examining the Event Viewer, that qemu-ga is recording a "Ping" event every 11 seconds, 24/7. ("guest-ping called") That's enough to massively fill the event log with stupid stuff. How can I disable this atrocious logging behavior...
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    SPICE Webdavd kills Windows Samba/SMB networking in VM :( -- where to report?

    I've been going crazy... Moved my long-stable Retrospect network backup system to a Windows VM All kinds of strange anomalies have been seen My backup catalog file needs rebuilding... a long/slow process when crunching 17TB of backups, many millions of files and metadata I simply could NOT get...
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    What could I be doing to accidentally shutdown my Win10 VM?

    I am new to using Windows in a VM, but VERY experienced with windows. Very often (multiple times a day), I'm online via noVNC in the ProxMox console, doing stuff in the VM. Suddenly, the VM starts to shut down. Windows event viewer says Explorer.exe did it at my request, "other (planned)"...
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    VERY strange puzzle points to Proxmox bug? Help me diagnose please!

    This is one of the strangest issues in my 50+ years of computing. Your help, ideas, diagnostic or solution suggestions most welcome! CONTEXT I have a pair of almost-the-same Proxmox VM hosts. (HP Z2 G5 SFF, well loaded.) Both have NVMe 1TB ZFS mirrored primary storage Host 2 is MUCH less busy...
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    [TUTORIAL] HOWTO: Add a slightly smaller mirror to single ZFS root rpool

    I just finished accomplishing this. It's not too tough once you know how to get past a few nigglies. Many thanks to @Dunuin and to the author linked below. And of course to the awesome ProxMox team. Prerequisites This sequence is based on a few assumptions. If your situation is significantly...
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    Adding 2nd boot drive: is anything needed on partition 1?

    I see info discussing the Installer layout of ProxMox EFI boot drives, with 3 partitions: I want to add a second mirror drive. There are complex methods, but I'm seeking something simple for myself and others. To that end, a few questions: 1) Is there a script to duplicate what the Installer...
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    SPICE failure in Win10 VM -- what listens on port 3128???

    I am trying to get SPICE going for the first time, and failing miserably. I *think* I've debugged to the following point: * firewalls are not an issue. I can ping everywhere, can RDP in, can ping, etc. * I've loaded all of the various bits that need loading AFAIK into local machine, into guest...
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    [TUTORIAL] NOTES on successful nVidia T1000 pass-through to Win10

    I just got this fully working; thought I'd share my notes on what it required to succeed in my context. Host: HP Z2 SFF box, Xeon CPU with full virtualization support. A. MUST follow standard ProxMox host pass-through instructions (.../pve-docs/chapter-qm.html#qm_pci_passthrough) including...
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    Confused about raw image on zfs, qemu-img won't work?

    I am working on a Win10 image. It's too big; want to shrink it. I reduced the partition sizes so I have under 52GB of partitions in a 500GB raw virtual disk. Config info below. The hard part: the image (in my local-zfs storage) is actually apparently a set of links to /dev/zd48* which are...
  11. M

    LAG for VLAN trunk not working??!

    Having a spare set of 1GBe ports and a switch that supports LACP (GS748Tv5), I thought I'd bump the performance of my VLAN trunk. What I have had fully working for over a year: (switch) <---> (ProxMox Host enXXX physical) -> (Host vmbr2, VLAN-aware) -> pfSense VM For a different purpose, I...
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    Lessons learned about using NFS shared storage in a ProxMox environment (w/ Synology?)

    It's possible some of the following is specific to my environment... but having read a ton of threads to solve my issues, I suspect these are more general insights gained. NFS has had serious reliability problems when it comes to rebuilding broken links... until version 4.1 Before that...
  13. M

    7.4->8.1 Why did NIC devices change so radically... on ONE of two hosts?

    I have two almost identical host boxes (HP Z2 G5, with Intel I350 multi-port nic, etc. Nice ;) ) They've been running great on 7.0 through 7.4 Time to upgrade to 8.1 Key item is NIC id's as I have a rich networking environment (pfSense HA, multiple VLANs, etc). Driver is igb... One box went...
  14. M

    How to clear a QCOW2, to restart VM install from scratch?

    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...
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    [SOLVED] Some clients can't login - due to invalid "english" language. (Actual issue: password helper!)

    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:
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    Shouldn't ProxMox warn if VLAN is used without "VLAN Aware"?

    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...
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    Just to verify: PBS is a VM-or-Linux-only solution, correct?

    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!
  18. M

    Can I build a VM from a "raw" unused Win10 image?

    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...
  19. M

    Feeling dumb: can I have a different pool for backup/ISO/whatever on one host?

    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...
  20. M

    GUI cluster add node fails :(

    I have a two-node cluster; been running for almost a year. New node configured; time to add it. (All are running the same PVE version; all have same underlying linux; all can ssh to one another; etc etc.) I used the GUI to add the new node to the cluster (pasting the blob of secure info). The...