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Does VM console work when you check 4-6 Machines ?

Hello, on some training-vms I upgraded to PVE 9.1.6 and Im having some weird issues atm I cant track down. Im not sure if it is related to the 9.1.6 upgrade. * Ceph -> OSD -> Global-Flags: Ceph Global Flags Show Integers "0" or "1" instead of Checkbox ** this makes it hard to use and multiple...

Die Erstbefüllung würde mit 4 MB / s einfach zu lange dauern, daran hatte ich aber auch schon gedacht. Bezüglich Punkt 3) Offline Backup heißt für mich, kein Server mit den PBS-Pulls drauf sondern Backup ist komplett auf eigenem Medium und kann z.B. in Tresor gelegt werden (Beispielshaft)...

Hintergrund / Use-Case: Ein Kunde von mir möchte migrieren: von VMware + Veeam auf Proxmox VE + PBS und sucht nach einer sinnvollen Lösung für das Offline-Backup. Täglich soll via Copy-Job auf USB 9TB an Fullbacks transferiert werden, sodass auf dem USB-Datenträger ein vollwertiger Full-Zustand...

This is a additonal setting that can be set "NUMA node per L3 cache" but did you also try to set "Nume nodes per node" to a different value then the default? On my side its set to 1 at default. I am interested in knowing if more numa nodes is better or worse for performance. Edit: guess I need...

Should NUMA Nodes per Socket be set to 1/2/4 in BIOS? Whats the best configuration for a single socket amd-cpu? In VM Hardware I would enable NUMA. Or is it better to set NUMA-Nodes to 1 and not use numa in vm hardware? Has someone made some extensive tests or can answer this question?

Its visible when you install a new proxmox node with ceph, there you can select it already.

Seems like tentacle has landed in no-subscription now (noticed it today) :-)

Nothing has changed regarding this afaik. You need switchport with multiple vlans on it (vlan trunk), then create a vmbr0 with a bridged port (that connects to your switchport that(s) with the vlans on it). Then USE the sdn, as its the most simple way to do vlans for vm-access. If you also want...

Crimson is not included in pveceph yet.

I personally would look for journalctl -u pveproxy.service limiting with --since to the time-frame where you had that error. If it was 5 minutes ago for example it is: journalctl -u pveproxy.service --since "5 minutes ago"

Will ZFS 2.4 will come with a update within the 9.1.x window or is it planned for 9.2 (april?) https://git.proxmox.com/?p=zfsonlinux.git;a=summary

Yeah the customer thought it is needed and forgot about it. Setting it to 1 did the job :-)

multipath_component_detection = 0 needed to be set to 1 in /etc/lvm/lvm.conf - customer set the parameter, which caused this error. Thank you all for your help, I learned alot about iSCSI. Even created my own iSCSI-Target in a debian-vm to test it out myself (where it did work on first try)

I tried it again with aliases, everything looks correct until I need to create the pv and vg. I opened a proxmox subscription ticket.

Quincy is already EOL upgrade to Reef and then maybe even to squid. The Bug you mentioned is only shown for ceph 18 at least on clysos side. But there are other for ceph 19. I personally dont have any issues with 19.x so far.

https://pve.proxmox.com/wiki/Ceph_Quincy_to_Reef thats the one. (17 to 18) https://pve.proxmox.com/wiki/Ceph_Reef_to_Squid (18 to 19)

We also did 15 upgrades from ceph 19 to 20 in nested pve-environments (all clean installs from training) all went fine without issues. The only thing which was not 100% clear howto check what mds-services are standby via cli: We looked at the webui to find out. Adding a cli command might be...

You could also boot the debug mode from the installer and try to capture the logs, the debugging mode also helps to identify on which step exactly in the installer the reboot will be triggerd.

Can you try on a identical machine to see if its hardware related (as it sounds like?)