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[GH-ISSUE #6351] Proxmox 9 beta Podman LXC script cannot install portainer #1360

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opened 2026-02-26 12:48:38 +03:00 by kerem · 3 comments

kerem commented

2026-02-26 12:48:38 +03:00

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Originally created by @daviessm on GitHub (Jul 29, 2025).
Original GitHub issue: https://github.com/community-scripts/ProxmoxVE/issues/6351

✅ Have you read and understood the above guidelines?

yes

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

Podman

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

bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/podman.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.

After installing Podman with default settings the script asks "Would you like to add Portainer?", answering yes gives an error

🔄 Steps to reproduce the issue.

Run Proxmox v9 beta 1
Install Podman LXC using script and defaults
Answer Y to Portainer question

❌ Paste the full error output (if available).

⠋ Installing Portainer 2.27.9ERRO[0000] [graphdriver] prior storage driver overlay failed: 'overlay' is not supported over zfs, a mount_program is required: backing file system is unsupported for this graph driver 
Error: 'overlay' is not supported over zfs, a mount_program is required: backing file system is unsupported for this graph driver
⠙ Installing Portainer 2.27.9
[ERROR] in line 55: exit code 0: while executing command podman volume create portainer_data > /dev/null
⠙ Installing Portainer 2.27.9
[ERROR] in line 1305: exit code 0: while executing command lxc-attach -n "$CTID" -- bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/install/"$var_install".sh)" $?

🖼️ Additional context (optional).

No response

Originally created by @daviessm on GitHub (Jul 29, 2025). Original GitHub issue: https://github.com/community-scripts/ProxmoxVE/issues/6351 ### ✅ Have you read and understood the above guidelines? yes ### 📜 What is the name of the script you are using? Podman ### 📂 What was the exact command used to execute the script? bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/podman.sh)" ### ⚙️ What settings are you using? - [x] Default Settings - [ ] Advanced Settings ### 🖥️ Which Linux distribution are you using? _No response_ ### 📝 Provide a clear and concise description of the issue. After installing Podman with default settings the script asks "Would you like to add Portainer?", answering yes gives an error <img width="801" height="418" alt="Image" src="https://github.com/user-attachments/assets/99137566-2081-447d-b0e9-b90370780839" /> ### 🔄 Steps to reproduce the issue. Run Proxmox v9 beta 1 Install Podman LXC using script and defaults Answer Y to Portainer question ### ❌ Paste the full error output (if available). ``` ⠋ Installing Portainer 2.27.9ERRO[0000] [graphdriver] prior storage driver overlay failed: 'overlay' is not supported over zfs, a mount_program is required: backing file system is unsupported for this graph driver Error: 'overlay' is not supported over zfs, a mount_program is required: backing file system is unsupported for this graph driver ⠙ Installing Portainer 2.27.9 [ERROR] in line 55: exit code 0: while executing command podman volume create portainer_data > /dev/null ⠙ Installing Portainer 2.27.9 [ERROR] in line 1305: exit code 0: while executing command lxc-attach -n "$CTID" -- bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/install/"$var_install".sh)" $? ``` ### 🖼️ Additional context (optional). _No response_

kerem

2026-02-26 12:48:38 +03:00

closed this issue
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kerem commented

2026-02-26 12:48:38 +03:00

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@MickLesk commented on GitHub (Jul 29, 2025):

All Scripts are not optimized for pve9, its just an beta. While the Beta is active, we are dont make changes on current scripts

@MickLesk commented on GitHub (Jul 29, 2025): All Scripts are not optimized for pve9, its just an beta. While the Beta is active, we are dont make changes on current scripts

kerem commented

2026-02-26 12:48:38 +03:00

Author

Owner

@Wendigogo commented on GitHub (Sep 8, 2025):

Hi,

I don't want to open a new issue regarding, so could you reopen this one please? Proxmox 9 is now in stable state.
I'm really looking forward to use Debian13 Podman version as it comes with useful features.

Thanks for your help.

@Wendigogo commented on GitHub (Sep 8, 2025): Hi, I don't want to open a new issue regarding, so could you reopen this one please? Proxmox 9 is now in stable state. I'm really looking forward to use Debian13 Podman version as it comes with useful features. Thanks for your help.

kerem commented

2026-02-26 12:48:38 +03:00

Author

Owner

@jeremylespi commented on GitHub (Sep 27, 2025):

Receiving the same error installing on Proxmox 8.4.11 with ZFS. The issue appears to be related to the if statement that checks for ZFS and adds changes related to overlayzfsmount prior to podman being installed. It does not detect ZFS properly for some reason so the changes aren't made to the host LXC. This code change was recommended by Grok as a workaround 'if findmnt -t zfs || grep -q zfs /proc/mounts; then', however, I made the overlayzfsmount changes myself manually, which resolved the '[graphdriver] prior storage driver overlay failed" related error.

@jeremylespi commented on GitHub (Sep 27, 2025): Receiving the same error installing on Proxmox 8.4.11 with ZFS. The issue appears to be related to the if statement that checks for ZFS and adds changes related to overlayzfsmount prior to podman being installed. It does not detect ZFS properly for some reason so the changes aren't made to the host LXC. This code change was recommended by Grok as a workaround 'if findmnt -t zfs || grep -q zfs /proc/mounts; then', however, I made the overlayzfsmount changes myself manually, which resolved the '[graphdriver] prior storage driver overlay failed" related error.

kerem referenced this issue

2026-02-26 13:32:31 +03:00

[PR #1360] [MERGED] [Github Action] Update CHANGELOG.md #3130

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