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    Network stops and starts "randomly"

    One of my Proxmox hosts randomly loses network for 5-6 seconds at what appears to be random points throughout the day. I am usually using VMs via RDP, and they either pause or disconnect. While investigating the issue I've noticed both pings to and from the host also stop, so it seems to be a...
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    Temporary Performance Issues due to network?

    I usually run a couple of desktops on a Proxmox host running on a Haswell Xeon with 32GB ram. Hardware capabilities aside, the setup has been running well for me. The host is part of a two box cluster (which I use for the datacentre UI and not resilience). For the last three days or so my...
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    QEMU 5 and Legacy IGD passthrough

    6.2 may have broken VMs that use legacy IGD passthrough. This is somewhat related to https://forum.proxmox.com/threads/igd-passthrough-setup-broke-with-proxmox-6-2.69670, except legacy IGD PT also relied on a quirk in qemu. This quirk used to be generally available, but since QEMU 5 has become...
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    IGD passthrough and hard coded PCI bridges

    I have successfully managed to pass through my P4600 IGD to a VM. However I could only get it working up to a machine of pc-i440fx-2.2. The error given with pc-i440fx > 2.2 was that the address 1f.0 was in use by another device and the vfio legacy IGD passthrough requires this address to be...
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    [SOLVED] TRIM SSDs

    I have read all posts marked with trim but am still a little confused. Currently I have two PE nodes. Both have PE installed to an SSD. One has two further SSDs for VM disk images (using LVM-thin, discard always on); the other has HDDs which are passed through directly to the respective VMs...
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    [SOLVED] How does email work?

    As above really - email is working great, but I just don't understand how. As far as I can remember I didn't put in any SMTP settings during the Proxmox install... and I see no relevant config in postfix. Googling suggests that the Proxmox ISO install "makes it work out of the box" so I'm...
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    Scheduling SMART email alerts

    On Proxmox 5, I appear to already be able to see SMART data via the webgui. Further I can send email from the CLI: echo "testing" | mail -s "test" me@privacy.net So I suspect that email smart alerts are already working. My question is if there's a way to test it? Or perhaps get a monthly SMART...
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    [SOLVED] Presenting a CIFS share to a Container

    I have mounted a CIFs share in my proxmox host that presents files as owned by foo:users. Foo's id is 1002. I want to present this share to a unprivileged container, I'm assuming using a bind mount. The user in the container has id 1000:1000, and creates files like so. I have added the...
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    usb3=yes not working?

    I'm trying to pass through a USB3 device as per: https://pve.proxmox.com/wiki/USB_Devices_in_Virtual_Machines As I am running PVE5.0, I understand that all I should need to do is set usb3=yes, so something like this: usb0: host:4-1,usb3=yes However this doesn't work. I do see a new xhci...
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    Unprivileged Bind Mounts and multiple access

    Say I have 5 containers each running an application. For each I have bind mounted a directory: /mnt/container_data/container1 /mnt/container_data/container2 etc Where the application will contain all its application data. I now create a further container running a backup application. To that...
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    Disadvantages of non-HA cluster?

    I have two nodes running at home. They each use local storage for images (backup, HA or fast migration aren't really necessary here), with each guests "manually" accessing a NAS for non transient data. I'm looking at running the two nodes in a cluster, if only to manage them from a single web...
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    [SOLVED] Default file system?

    According to the documentation I've read and searched for, ext3 is supposedly the default filesystem for proxmox installations. However on installing 4.4-1, it seems that it actually uses ext4. Filesystem Type 1K-blocks Used Available Use% Mounted on udev devtmpfs 10240...
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    GPU passthrough tutorial/reference

    Aim: To host a headless VM with full access to a modern GPU, in order to stream games from. Assumptions: Recent CPU and motherboard that supports VT-d, interrupt mapping. Recent GPU that has a UEFI bios. Instructions: 1) Enable in BIOS: UEFI, VT-d, Multi-monitor mode This is done via the...

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