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[GH-ISSUE #6718] virt-resize expand failed?? #1427

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opened 2026-02-26 12:48:52 +03:00 by kerem · 8 comments

kerem commented

2026-02-26 12:48:52 +03:00

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Originally created by @hjscott7690 on GitHub (Aug 9, 2025).
Original GitHub issue: https://github.com/community-scripts/ProxmoxVE/issues/6718

✅ Have you read and understood the above guidelines?

yes

📜 What is the name of the script you are using?

DOCKER VM

📂 What was the exact command used to execute the script?

bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/vm/docker-vm.sh)"

⚙️ What settings are you using?

Default Settings
Advanced Settings

🖥️ Which Linux distribution are you using?

No response

📝 Provide a clear and concise description of the issue.

⚙️ Using Default Settings
🆔 Virtual Machine ID: 104
📦 Machine Type: i440fx
💾 Disk Size: 10G
💾 Disk Cache: None
🏠 Hostname: docker
🖥️ CPU Model: KVM64
🧠 CPU Cores: 2
🛠️ RAM Size: 4096
🌉 Bridge: vmbr0
🔗 MAC Address: ###############
🏷️ VLAN: Default
⚙️ Interface MTU Size: Default
🌐 Start VM when completed: yes
🚀 Creating a Docker VM using the above default settings
✔️ Using USB_1 for Storage Location.
✔️ Virtual Machine ID is 104.
✔️ https://cloud.debian.org/images/cloud/bookworm/latest/debian-12-nocloud-amd64.qcow2
############################################################################################################################################################### 100.0%
✔️ Downloaded debian-12-nocloud-amd64.qcow2
Adding Docker and Docker Compose Plugin to Debian 12 Qcow2 Disk Image virt-customize: error: libguestfs error: guestfs_launch failed.
This usually means the libguestfs appliance failed to start or crashed.
Do:
export LIBGUESTFS_DEBUG=1 LIBGUESTFS_TRACE=1
and run the command again. For further information, read:
http://libguestfs.org/guestfs-faq.1.html#debugging-libguestfs
You can also run 'libguestfs-test-tool' and post the complete output
into a bug report or message to the libguestfs mailing list.

If reporting bugs, run virt-customize with debugging enabled and include
the complete output:

virt-customize -v -x [...]
✔️ Added Docker and Docker Compose Plugin to Debian 12 Qcow2 Disk Image successfully
Expanding root partition to use full disk space
[ERROR] in line 515: exit code 1: while executing command virt-resize --expand /dev/sda1 ${FILE} expanded.qcow2 > /dev/null 2>&1

🔄 Steps to reproduce the issue.

just ran default and choose different hard drive but keep getting same result

❌ Paste the full error output (if available).

This usually means the libguestfs appliance failed to start or crashed.
Do:
export LIBGUESTFS_DEBUG=1 LIBGUESTFS_TRACE=1
and run the command again. For further information, read:
http://libguestfs.org/guestfs-faq.1.html#debugging-libguestfs
You can also run 'libguestfs-test-tool' and post the complete output
into a bug report or message to the libguestfs mailing list.

If reporting bugs, run virt-customize with debugging enabled and include
the complete output:

🖼️ Additional context (optional).

No response

Originally created by @hjscott7690 on GitHub (Aug 9, 2025). Original GitHub issue: https://github.com/community-scripts/ProxmoxVE/issues/6718 ### ✅ Have you read and understood the above guidelines? yes ### 📜 What is the name of the script you are using? DOCKER VM ### 📂 What was the exact command used to execute the script? bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/vm/docker-vm.sh)" ### ⚙️ What settings are you using? - [x] Default Settings - [ ] Advanced Settings ### 🖥️ Which Linux distribution are you using? _No response_ ### 📝 Provide a clear and concise description of the issue. ⚙️ Using Default Settings 🆔 Virtual Machine ID: 104 📦 Machine Type: i440fx 💾 Disk Size: 10G 💾 Disk Cache: None 🏠 Hostname: docker 🖥️ CPU Model: KVM64 🧠 CPU Cores: 2 🛠️ RAM Size: 4096 🌉 Bridge: vmbr0 🔗 MAC Address: ############### 🏷️ VLAN: Default ⚙️ Interface MTU Size: Default 🌐 Start VM when completed: yes 🚀 Creating a Docker VM using the above default settings ✔️ Using USB_1 for Storage Location. ✔️ Virtual Machine ID is 104. ✔️ https://cloud.debian.org/images/cloud/bookworm/latest/debian-12-nocloud-amd64.qcow2 ############################################################################################################################################################### 100.0% ✔️ Downloaded debian-12-nocloud-amd64.qcow2 Adding Docker and Docker Compose Plugin to Debian 12 Qcow2 Disk Image virt-customize: error: libguestfs error: guestfs_launch failed. This usually means the libguestfs appliance failed to start or crashed. Do: export LIBGUESTFS_DEBUG=1 LIBGUESTFS_TRACE=1 and run the command again. For further information, read: http://libguestfs.org/guestfs-faq.1.html#debugging-libguestfs You can also run 'libguestfs-test-tool' and post the *complete* output into a bug report or message to the libguestfs mailing list. If reporting bugs, run virt-customize with debugging enabled and include the complete output: virt-customize -v -x [...] ✔️ Added Docker and Docker Compose Plugin to Debian 12 Qcow2 Disk Image successfully Expanding root partition to use full disk space [ERROR] in line 515: exit code 1: while executing command virt-resize --expand /dev/sda1 ${FILE} expanded.qcow2 > /dev/null 2>&1 ### 🔄 Steps to reproduce the issue. just ran default and choose different hard drive but keep getting same result ### ❌ Paste the full error output (if available). This usually means the libguestfs appliance failed to start or crashed. Do: export LIBGUESTFS_DEBUG=1 LIBGUESTFS_TRACE=1 and run the command again. For further information, read: http://libguestfs.org/guestfs-faq.1.html#debugging-libguestfs You can also run 'libguestfs-test-tool' and post the *complete* output into a bug report or message to the libguestfs mailing list. If reporting bugs, run virt-customize with debugging enabled and include the complete output: virt-customize -v -x [...] ✔️ Added Docker and Docker Compose Plugin to Debian 12 Qcow2 Disk Image successfully Expanding root partition to use full disk space [ERROR] in line 515: exit code 1: while executing command virt-resize --expand /dev/sda1 ${FILE} expanded.qcow2 > /dev/null 2>&1 ### 🖼️ Additional context (optional). _No response_

kerem

2026-02-26 12:48:52 +03:00

closed this issue
added the
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kerem commented

2026-02-26 12:48:52 +03:00

Author

Owner

@MickLesk commented on GitHub (Aug 9, 2025):

What is usb1 for an storage ?

@MickLesk commented on GitHub (Aug 9, 2025): What is usb1 for an storage ?

kerem commented

2026-02-26 12:48:52 +03:00

Author

Owner

@hjscott7690 commented on GitHub (Aug 9, 2025):

yes, and i tried it on my local-lvm

@hjscott7690 commented on GitHub (Aug 9, 2025): yes, and i tried it on my local-lvm

kerem commented

2026-02-26 12:48:52 +03:00

Author

Owner

@MickLesk commented on GitHub (Aug 10, 2025):

Ive asked what Type of storage is usb1 ^^

Whats your pve Version?

@MickLesk commented on GitHub (Aug 10, 2025): Ive asked what Type of storage is usb1 ^^ Whats your pve Version?

kerem commented

2026-02-26 12:48:52 +03:00

Author

Owner

@hjscott7690 commented on GitHub (Aug 10, 2025):

usb1 is a ssd via usb 3.0

@hjscott7690 commented on GitHub (Aug 10, 2025): usb1 is a ssd via usb 3.0

kerem commented

2026-02-26 12:48:52 +03:00

Author

Owner

@hjscott7690 commented on GitHub (Aug 10, 2025):

8.4.6

@hjscott7690 commented on GitHub (Aug 10, 2025): 8.4.6

kerem commented

2026-02-26 12:48:52 +03:00

Author

Owner

@MickLesk commented on GitHub (Aug 13, 2025):

USB storage mounted via FUSE/NTFS/exFAT → libguestfs fails
Missing libguestfs-tools or KVM support
Wrong partition name (/dev/vda1 vs /dev/sda1)
virt-resize blocked by mount options like noexec

Try this:

apt install libguestfs-tools libvirt-daemon-system libvirt-clients on your Host

Otherwise i cant help you

@MickLesk commented on GitHub (Aug 13, 2025): 1. USB storage mounted via FUSE/NTFS/exFAT → libguestfs fails 2. Missing libguestfs-tools or KVM support 3. Wrong partition name (/dev/vda1 vs /dev/sda1) 4. virt-resize blocked by mount options like noexec Try this: apt install libguestfs-tools libvirt-daemon-system libvirt-clients on your Host Otherwise i cant help you

kerem commented

2026-02-26 12:48:52 +03:00

Author

Owner

@lazyd3v commented on GitHub (Aug 16, 2025):

I had the same issue, here's the command that helped me

apt-get install --reinstall binutils-x86-64-linux-gnu

@lazyd3v commented on GitHub (Aug 16, 2025): I had the same issue, here's the command that helped me `apt-get install --reinstall binutils-x86-64-linux-gnu`

kerem commented

2026-02-26 12:48:52 +03:00

Author

Owner

@hjscott7690 commented on GitHub (Aug 23, 2025):

turns out to be a storage issue on the pve-root, it needs enough room to expand debian qcow2 and then import to the selected storage i picked, thanks for the help

@hjscott7690 commented on GitHub (Aug 23, 2025): turns out to be a storage issue on the pve-root, it needs enough room to expand debian qcow2 and then import to the selected storage i picked, thanks for the help

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