Recent content by Andreas_H

The guest VM has a VirtIO SCSI single controller and two VirtIo SCSI disks, both stored on local ZFS. "Discard" and "IOThread" for both disks are on. Maybe I made a mistake here, I am not sure I got the concept of VirtIO SCSI single right. I read that this means that each disk would get its own...

Hello, I have a physical machine running Debian 12 which is backed up to a proxmox backup server using proxmox-backup-client (file-level backup). I want to restore this backup to a VM running on a Proxmox host. I created a Debian 12 VM (full KVM, no container) and installed the backup client...

Thanks for the link. This helps, but leaves another problem which I also have with PVE metrics. In the description it says I am maintaining multiple installations of PVE and PBS, each single-node clusters at different sites with different domains, and each PVE is named pve.localdomain.tld and...

Hello, I want to monitor my PBS with InfluxDB and Grafana. Pushing metrics to InfluxDB seems to work out of the box, but since I am relatively new with Grafana - are there any pre-made dashboards for this? I found some decent dashboards for PVE, but none yet for PBS. If not, can someone give...

Okay, I get what you mean, and that could well be an explanation. The disk is using NTFS, and there are 4 other Windows VMs with NTFS disks on the same zpool that don't have any problems. There are also 5 LXC Containers with ext3-formatted volumes on that zpool, also without problems.

Yes, ECC RAM on both servers - PVE is a ProLiant ML 350 Gen10, PBS is an ML350 Gen6. Moving the virtual disk - I will give that a try, thanks! I understand that, but if garbage gets written to disk I should at least be able to read that garbage back instead of not being able to read it at all...

ECC RAM is already in place. Running memtest that long is difficult - this is a single node production server that can't be taken offline easily. Same applies for replacing disk. I am still looking for an explanation why zfs scrub didn't catch this, if this is an actual hardware issue.

Hello, I ran into a strange data corruption issue which I need help with. The VM in question is Windows Server 2016 Standard, used primarily as a file server. On this VM, I found files which could not be read or copied anymore, not even on the VM itself. I only get "the file is unreadable or...

Hello, I have a VM which has a virtual disk on ZFS with a size of 6TB, while less than 1TB is actually used. For at least a few weeks, I need to backup this VM to a USB drive which only has 4TB. At the moment, a vzdump backup still has around 3.5TB in size, which means it works once but will...

Hello, I made a fresh install of Proxmox using the current ISO (7.1-2). I used ZFS (RAID 1) with two disks. Today I wanted to boot from the ISO into recovery mode, because we accidentally lost the root password. However, rescue boot fails - grub tells me: error: compression algorithm 68 not...

Hello, I would like to know if it is theoretically possible to implement multiple backup jobs running in parallel. I am thinking of two backups, one local backup to a USB drive or NAS and another backup to a remote PBS. We are quite happy with our PBS, where we backup multiple sites to our...

I hadn't thought it would be simple as that... Thank you!

Hello, I'm looking for a way to grow a RAIDZ-1 with four 3TB disks by another two disks. I naively assumed this would be as straightforward as it is with mdadm RAID, but it seems it isn't. Code for this seems to exist in ZFS on Linux but obviously won't hit Proxmox until at least Debian 12 is...

Hello, I'd like to know if it is somehow possible to sync one or preferrably more local datastores to another local datastore, namely on an external (USB) disk. I managed to create a ZFS filesystem on the disk and create a datastore on it, but it seems I can only sync remote datastores. Any way...

Hello, I am experiencing awfully slow write performance on a newly setup PVE node (single-node setup). The server is a HP ProLiant ML 110 Gen10 with 48GB RAM, a Xeon Silver 4208. It has two NVME SSDs (WDC WDS100T2B0C-00PXH0) used as a ZFS mirror (boot device) and two 8TB Hard Disks...