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Finally solved: Actually there were two issues on top of each other. 1. The ongoing rework of our networking should enable all services to run in full Dual-Stack, if possible. Since the Ceph-Documentation clearly states Ceph was capable to do so we enabled the feature. According to the OSDs and...

Hello everyone, we are running a 4-Node pve cluster with 3 Nodes in a hyper-converged setup with ceph and the 4th Node just for virtualization without its own osds. After creating a VM with a TPM state device on a ceph pool it fails to start with the error message: rbd: sysfs write failed TASK...

Hi mbaldini, unfortunately DRBD is not production ready yet, otherwise I would recommend it to you. For small (two-node, not many disks) setups it would be the choice No. 1 for me personally, but it's not usable yet. Ceph and gluster are not applicable in your case because they always need...

Unfortunately yes. My last tries some months ago (April/May) ended in destroyed virtual disks. The guys at Linbit know about the issues, I have been in contact with them but the last bit of information I got was, that the problems had gotten more complicated cause they added more features to...

Thank you so much. That probably explains the error messages I got during last kernel upgrade. I first was very happy that the headers-package now is kept up to date automatically when the system gets upgraded, but then was a little disappointed when getting the errors (although I could have...

One quick question to answer first: Is GlusterFS still a technology preview in Proxmox? Maybe the wiki is outdated, but I stumbled upon it and it definitively says "technology preview" in the actual version: https://pve.proxmox.com/wiki/Storage:_GlusterFS Ceph is integrated into Proxmox Webif...

That's very simple (once somebody explains it): Imagine a situation in which the two nodes lose their communication between each other. Both are alive and able to work alone, but they see that the other node is down (at least from their perspective). Which one of them will take over the whole...

Good morning, sorry for the long silence on my end, I'm quite busy at the moment. Nevertheless, I tried the new package yesterday and it shows the same behaviour as the other ones - stuck at package uninstall. The package list stayed the same, manual install works, one additional error pops...

My personal experience: Three times a destroyed virtual disk (root partition of a small more or less static webserver with not much load). The boot then ended in the GRUB rescue shell because the filesystem had gotten some serious damage. I don't know what others do differently, I just followed...

https://forum.proxmox.com/threads/cluster-and-ha-in-4-x-would-love-to-learn-more.27625/#post-139049 As @wosp said in your other thread - 64bit is necessary. The Proxmox packages are only provided for this architecture. But some Atoms have 64bit supoort. Just check their type numbers. EDIT: Only...

Yes. As I suggested - take an old used Zotac ZBox or an Intel NUC (looks like a Mac Mini). https://www.zotac.com/us/product/mini_pcs/all or http://www.intel.com/content/www/us/en/nuc/overview.html There are no real hardware requirements. My quorumgetter runs on a VM on another server, has 20GB...

Hey Kei, Yes it would, if it was completely functional yet. From your other thread, I found the objection of @wosp, that you can't install PVE on ARM platform - I think he's right, so take at least an old PC or a small Zotac/Intel NUC/... There is not much special about it to document - you...

I agree. But is the solution to just wait for someone to post in German in the middle of the otherwise english forum and to shout him down? I found many more threads than I expected where that happened like this. This way, the notorious Germans have their own playground, don't interfere with the...

Or just use DRBD as soon as we're out of Tech-preview stage.

No, it isn't - since the old days ;-) https://pve.proxmox.com/wiki/Backup_-_Restore_-_Live_Migration#Live_Migration Cheers, Johannes

What are your settings in your HA group? Are all nodes in the group? And what did you set for the parameters "restricted" and "nofailback"? Cheers, Johannes

I had a similar behaviour but on the host system, when I used some closed source Infiniband drivers from Mellanox. This killed my networking scripts and after a reboot I only had the loopback device left ;-) It was the same as you describe - a manual "/etc/init.d/SERVICE restart" brought up all...

Dankeschön! Ich habe mich jetzt schon ein paar Mal doch ein klein wenig aufgeregt über die eingestreuten deutschen Posts. Nicht dass ich das den Leuten persönlich nehmen oder dass es mich als Muttersprachler vor Probleme stellen würde aber ein wilder Mix ist tendenziell nicht wirklich sinnvoll...

@fabian: You're absolutely right. My only hope was/is to solve this workaround more cleanly. Still I'm not completely happy with the solution because you always have to pay attention to update the kernel-headers manually. Is there a technical reason why they aren't upgraded automatically when...

After my own vast and unsuccessful tests, I would tend to the answer "Yes!" :rolleyes: But let's be honest - it should be doable and it's my dream concept as well. Just having a small 2 node setup, where I can handle possible hardware failures manually. For me personally I see HA as an optional...