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@Por12 : I would attach a display to the server and have a look at the console when it have happened.

@julwonn: After 3 minutes of googling I doubt you should use port 10050. This port is for systems running zabbix_agent. AFAICS, Meraki uses HTTP API, not zabbix_agent. Have you read e.g. https://www.zabbix.com/integrations/meraki ?

Execute from the command line shell of the Zabbix server: telnet ip.address.of.meraki 10050 (replace ip.address... with the IP address of that Meraki device) and post the result.

Not really. The recommended way is making backups of particular VMs and LXCs. And you can make a backup of the hypervisor's system itself, especially if you made some customizations after the installation. Especially the contents of /etc and possibly /root because your history files (e.g...

No problem. Please post the outputs of the following commands: df -hT pvs vgs

@Lars34 But omit "munin*" packages :) . I installed them manually (because I use them). They are NOT needed in standard Proxmox.

We don't know all events which happened there. I wonder why (if) state of network interfaces changed. Just in case, you can execute ip a and verify that the current names match names in configuration files (probably /etc/network/interfaces . Though it might not be needed, as I don't know from...

Are there any unusual entries in journalctl just before the reboot? If you have physical access to the server: what is visible on the display before the reboot?

Welcome, shr! What does chronyc sources -a -v return?

Quite weird, indeed. For a comparison, just a few days ago I made a clone of a running Linux VM and after I started the clone, it was a "carbon copy" (minus the MAC address of course) of the original VM to the moment of cloning, even the logs contained the latest activities. And the log of the...

Hi, I admit I don't quite understand your question. What exactly you want to achieve. Are you trying to use a part of sda in the storage of type "directory" in sdb? I don't know if it's possible without reformatting sdb first. From your post I understand that in sdb you already have got data (VM...

Do I understand right, that you want to know which versions had particular packages in PVE 8? If so, here you are mine. This is up-to-date PVE 8.4.14.

Examples of creating and cloning a VM in my PVE server # journalctl | grep create Aug 08 23:08:20 pmx1 pvedaemon[3798182]: <root@pam> starting task UPID:pmx1:0002Fxxx:15AA4xxx:68966xxx:qmcreate:101:root@pam: Aug 08 23:08:21 pmx1 pvedaemon[3798182]: <root@pam> end task...

Maybe "hook scripts" could be used. https://pve.proxmox.com/wiki/Backup_and_Restore#_hook_scripts and e.g. https://forum.proxmox.com/threads/vzdump-hook-script-and-clustering.140684/

Welcome, julwonn. Your second image lacks the lower part of the view, so I can only guess. Is the right IP address entered? Or the proper working domainname? Is the port number (most likely 10050) entered?

@yunmkfed You may have a look at the links in this post https://forum.proxmox.com/threads/backup-vms-and-containers-on-offline-node.173502/post-807371

At https://pbs.proxmox.com/docs/prune-simulator/ I have entered your retension policy and the simulation shown about 81 snapshots. I.e., very similarly to your (unexpected) outcome. The simulator also shows the reason (the rule) which he keeps every of the snapshot for. It's more clearly...

You have overwhelmed me with your very detailed description (which is always welcome!) of the situation ;). Before I am able to read it carefully, I'll just ask because there is some chance that it will explain: Have you checked the calculator / simulator...

/etc/pve is mounted by pve-cluster service. The real data is in /var/lib/pve-cluster/config.db which is an sqlite database. (Quoting https://forum.proxmox.com/threads/this-is-bad-etc-pve-is-missing-on-boot.127059/post-555167 ). "If you have major problems with your Proxmox VE host, [...] it...

Split locks are discussed e.g. here: https://pve.proxmox.com/wiki/Split_lock_detection ||| https://forum.proxmox.com/threads/x86-split-lock-detection-log-entries-after-reboot.143863/ |||...