Extending an iSCSI disk on an Ubuntu VM causes the disk to go read-only?

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surfrock66

Well-Known Member
Feb 10, 2020
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I am wondering if I'm doing something wrong here. I have 2 Proxmox 8.2.2 hosts, and they are connected to a TrueNAS Scale which is presenting ZFS over iSCSI LUNS over fiber, everything works well. I have Ubuntu 22.04.04 VM's, with qemu-guest-agent installed, everything seems happy, until I need to extend a disk.

If I go through the Proxmox UI and edit the hardware, then extend the disk via "Disk Action -> Resize", the disk goes read only until I reboot. I feel like this wasn't always the case? Am I doing something wrong here? I can add this to my procedure, but I feel like this shouldn't require a reboot.

Example config below:

1719952332773.png1719952235935.png
 
It may be helpful if you provided the logs that correspond to the operation.
I.e., open an ssh terminal, run "journalctl -f".
Perform resize.
Capture the logs that were written during the operation and provide them here (as text encoded with CODE, or SPOILER)

Good luck

Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox
 
Unfortunately, there are no logs. The host sees the disk extend as successful, and the VM stops recording all syslog at the time the extend initiates until after reboot.
 
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