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I would like to be able to backup all nodes and restore a backup without having to re-register them to the license server. What should I ensure to backup for it then ? Where are the files located for it and what I have to pay attention when I recreate the node?

I am following the current documentation to setup an hyperconverged network with proxmox. I was previously using a mesh setup, but since I wanted a full redundant network I figured the setup described on this wkik (translated in english) would do the trick...

I have setup a 3 nodes CEPH clusters with 2x2TB SAS disks on each nodes. What should be the size of an SSD drive to cache the WAL? Would 480 GB be enough?

That true but then I will loose the redundancy at this level for VMs communication. It would be interresting to also have way to fail over one of the interface when needed for it. Maybe using BGP? not tested yet but you're probablry right there, the doc is not very explicit about it though :)...

does anyone know if it's possible to mix vlans and bonds ? Say I have the following: iface eno1 inet manual auto eno1.100 iface eno1.100 inet static address 10.100.1.101/24 iface eno1 inet manual auto eno2.100 iface eno2.100 inet static address 10.100.1.101/24...

I was looking at this link : https://wiki.virtit.fr/doku.php/kb:linux:proxmox:hyperconverged-proxmox-2-liens and the author says it could be doable using the new SDN features. Can we do it diretcly using the UI? A Also I am wondering how the IPs setups can be used by other machines to access...

I’m looking for relatively non expensive 10G switch to handle a convergent cluster fully redondant using BGP and vxlan. I had a look on mikrotik switches but they don’t have a stable MLAG yest and doesn’t seem to handle well a data network. Do anyone tested FS switches? What about a cumulus...

this imply to have an amd64/x64 QNAP though. Would be coool to have arm platforms support

ok I see thanks for the answer. KThey are saying HBA mode is OK for ceph, so maybe with ZFS but i will play the safe card until I change the controller. Maybe someone has one to advise for HPE hardware (that play well with ILO ?

I am wondering if using the HPE E208i-a smartraid controller with disks in LBA mode works correctly with ZFS? Or should I use another filesystem?

i'm curious how you finally installed it? What file systems did you choose?

anyone ?

this imply to have also local disks for that. There should be a way to reuse the space handled by the OSD to handle suc things. I think one interresting feature would be able to launch a local vm associated to local a local OSD if possible. But last time I read it wasn't feasible with CEPH. One...

I have 3 HPE Proliant DL160 Gen 10 shipped with a storage controller HPE SmartArray E208-i SR. This controller allows to mix raid and LBA mode. Each servers come with 2x300 GB SAS and 4x2TB SAS. I would like to instal proxmox on them but wonder what's the best storage configuration for it. I...

anyone tested it already? I hesitate between thid or judt using ceph and use 2 disk with the hw raid. thoughts?

well it can be copied over the time. not the last stae of course. but right...

so machines are « simply » restarted? no copy of the memory?

I'm notre sure to understand the doc correctly. Does it means that in case of failure a node will still be restarted automatically in case of failure on the other node ? Or does this require a manual operation?

I didn't test it yet but how does HA failover work if i want to keep the service live ? Does it reassign the IP address to the new running instance? Or should i still use something like keepalived? If not what does t used to do it?

indeed. Iwonder if it can be don eon a QNAP NAS...