Recent content by _gabriel

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    Windows 11 VM and Core Isolation Memory Integrity

    once VirtIO set, is Intel E1G kept is incompatible drivers listing ? (you need to install virtio drivers, see the docs)
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    Cannot access web GUI at all

    don't forget httpS://ip:8006/
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    yawgpp (Yet Another Windows Guest Performance Post)

    aes is already in x86-64-v3 hv* args are already applied when guest os type is set to Windows
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    VM connection issues after subnet change. What am I missing? Real time problem.

    Router and Proxmox (when firewall not used) has nothing to do with network between guests. Try with enabling local Administrator. EDIT: Try disabling guest's Windows firewall
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    Best use of 4x NVMe drives

    no, I suggest you one way. ZFS is the way for multi boot disks, but it's slower because the overhead for checksum and integrity, even more with none datacenter drives. ZFS is enterprise oriented.
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    VM connection issues after subnet change. What am I missing? Real time problem.

    has nothing to do with network between guests. triple check within your guests. No third party app within guest ? Have you multiple Windows accounts ? Windows 11 lock out account after multiple failure. edit: do you use hostname to connect ? if yes, try ip
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    nested virtualization with VMwareWS Pro

    nested-virt is available by default with host vCpu , has it changed since PVE9 ?
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    Best use of 4x NVMe drives

    Sizes can be set with "Options" button during install. if you don't need iso, keep installing PVE on the 500GB disk ( installer will create a ~380G local-lvm Datastore ). Just remember if you reinstalling PVE, the default local-lvm Datastore will be erased. PVE installer always erase the "Target...
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    Best use of 4x NVMe drives

    default ext4/Lvmthin for datastore will be fine and the fastest. e.g: 500G for PVE and iso (custom sizes at install : disk = 400G and maxvz = 0 to not create the default local-lvm Datastore on the 500G ) 1 Lvmthin datastore per 1TB NVMe Restore backup from PBS in case of emergency.
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    args: -cpu host,-hypervisor No longer boot since Windows Update 01-2026 ( KB5073723 KB5073457 KB5074109 KB5073379 ) AMD EPYC 7302p

    -cpu host,-hypervisor,model=1 alternative boot ok post December 2025 Windows Update. -cpu host,-hypervisor,model=1 forces EPYC 1th gen code name "Naples" but better cosmetic as real processor name displayed. -cpu EPYC,-hypervisor model=49 forces EPYC 1th gen + override model to 2th gen code name...
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    VM connection issues after subnet change. What am I missing? Real time problem.

    if creds are asked, then this is within guest problem or wrong/duplicate ip or wrong/duplicate hostname
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    Proxmox web UI accessible but shell returns Error 500: close (rename) atomic file....

    That's the sentence when PVE is publicly exposed. Please, use PVE to whitelist autorized ip or VPN.
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    args: -cpu host,-hypervisor No longer boot since Windows Update 01-2026 ( KB5073723 KB5073457 KB5074109 KB5073379 ) AMD EPYC 7302p

    Same after today Microsoft Windows Update. args: -cpu EPYC,-hypervisor is required instead args: -cpu host,-hypervisor / args: -cpu: EPYC-Rome-v4,-hypervisor
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    CPU Arguments cuts passthroughed NVMe performance by 4 times

    Seems nested virt. active by default since Win11. Try 'max' vcpu type : cpu: max args: -cpu max,-hypervisor