Dealing with Disk I/O Errors on Proxmox
Proxmox is incredibly stable virtualization software. If you’re having Disk IO issues, it’s typically related to hardware. But how to troubleshoot? In this article we
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I/O error, dev sda, Remounting filesystem read-only on TrueNAS iSCSI share after enlarging disk using Proxmox
In Proxmox VM you can enlarge you disk quite easily using the user interface. This is typically a fail-safe operation. However, during routine maintenance to
How to add another Proxmox clustered server to your WHMCS installation
Adding another Proxmox clustered server to WHMCS requires a few steps: WHMCS Work Navigate to the System Settings => Servers menu Click “Add New Server”
Proxmox Cluster Quick Start
Running a Cluster over a WAN You shouldn’t. Corosync needs 5 to 10 ms latency and is highly sensitive to jitter. We tried running it
TrueNAS Scale / Proxmox / iSCSI Primer
Introduction Changes On 4 June 2024 this article was updated to provide more information with regards to running TrueNAS scale as a VM, and also
How to mount a remote SSH disk locally with fuse
Quick guide: apt install fuse sshfs Be careful when doing this on a Proxmox server because you’ll get an ominous warning. mkdir ~/ssh_mount Mount the
How to export a Proxmox VM to a KVM installation
Quick commands: qm list qm config 109 pvs vgs lvdisplay | grep 109 lvdisplay /dev/raid1/vm-109-disk-0 df -h pwd qemu-img convert -O qcow2 /dev/raid1/vm-109-disk-0 host.x.y.z.qcow scp
How to know you’ve overprovisioned Proxmox LVM thin disks – io-error with yellow triangle
Background One of your VMs might just stop working. When you look at the icon in the Proxmox explorer you see a yellow triangle and
Proxmox VM suddently not booting with error “attempt to read or write outside of disk ‘hd0′”
This afternoon an important server suddenly stopped booting. Below if a screenshot of the final output, but earlier on the Proxmox boot sequence was this
How to identify Out of Memory (OOM) Problems with a Proxmox Host
If Proxmox runs out of RAM on the host, some VMs might suddenly just be switched off. This article has a few tips to see