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Answering myself. System still crashing with 6.2.16-19-pve

Just upgraded a test-server with standard no-subscription repo enabled to Kernel 6.2.16-19 . Let's see if it's stable.

Better not use ZFS on top of Hardware-Raid. Get a cheap HBA-Controller instead so that ZFS can fully access the disks.

Great news! An please use more than one disk for your pool ;)

yes. one virtual-disk = one file

Seems like you didn't use use zvol block storage for you VMs? So if these are just raw or qcow files you should be fine. Just give it a try. You can copy your proxmox config from /etc/pve/nodes/....<your-node-name>../qemu-server/100.conf to new server. Is your proxmox running? If so - create a...

the zfs list outputs your vm-disks. now try to rescue them. (e.g. zfs send and receive to other machine). Running zfs only on one disk is not good practice.

I'm not sure, but it might be that there is missing something in my instruction. I would expect to have the actual disk-id written after the /dev/disk/by-id/ - ? But it seems you have not built your pool with "by-id" but with /dev/.... (see zdb output). so try to zpool import with /dev/sdb1 (or...

Hi @novafreak69, it's been a while since I wrote that. I can't fully remember. But basically it depends what you have stored. If you have the pool mounted you might just copy the files to another target.

Sounds awesome, and just published in the right time. Will surely test it....

Hi guys, thanks for the hint. This helped in looking on the old PVE-Installation which on the other hand didn't help to access the data on the other drive. But the solution is quite easy (but took me a lot of time to figure out). So for others with similar problems. 1. use "fdisk -l" to check...

Hi all, a friend of a fried has had a Proxmox running. And as I sometimes play around with Proxmox I was asked for help. The situation is the following. The server hat 3 disks. One SATA-DOM with Proxmox (3.x *argh*) installed. And two spinning drives which are in a raid somehow. Now one of...

I solved this. Will update this post with description later....

Hi, i recovered the "ohter" server so the pool healed himself with 2 available OSD. Anyway it would be interesting if this would have worked? Anyone? br Tim

Hi there, beside my problem with the crashed ceph-cluster (see https://forum.proxmox.com/threads/reinstall-proxmox-ceph-node-after-crash.47142/) I have another problem. I have a separate SSD-Pool with one SSD on each ceph-host. Ceph-1 is still down (see other thread) and the SSD in Ceph-3...

Mist, falsches Forum erwischt. Kann ein Mod das in das engl. verschieben?

Hi all, we had a major outage of our cluster consisting of 3 PVE Host which servers Containers and VMs. In addition there are 3 Proxmox based Ceph servers. I was in the preperation to switch from running 4.4 to 5.x. 1. ceph 3 didn't come up after reboot. It turned out that the HBA controller...

Thanks! this worked for me as well!

Hi, today I wanted to dist-upgrade my cluster. After the three "VM"-Server I wanted to upgrade the other 3 ceph-severs. But on the first one the "apt-get dist-upgrade" stucked. [...] Setting up ceph-common (10.2.6-1~bpo80+1) ... Setting system user ceph properties..usermod: no changes ..done...

I followed (more or less ;-) ) this guide: https://elkano.org/blog/ceph-sata-ssd-pools-server-editing-crushmap/ This worked so far. Only one small issue which was discussed here: https://forum.proxmox.com/threads/ceph-move-osd-to-new-root.31912/#post-158165