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    CEPH Total size increases when one node is down

    Hello, I'm testing a 3-node cluster with Ceph, and I noticed that when one node is down, the total size of the ceph storage in the GUI increases. Here's the config for each node: pve01 2 x 32GB Boot disks with ZFS mirror 2 x 50GB OSDs pve02 2 x 32GB Boot disks with ZFS mirror 2 x 50GB OSDs...
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    Stuck ZFS replication on VMs with QEMU Guest Agent

    Hi, In a cluster with several nodes replicating between them, we noticed that sometimes ZFS replication task gets stuck on Windows VMs when freezing guest filesystem. Agents are updated to the last version. Here's the replication log when the issue happens: 2024-02-08 13:50:01 321-2: start...
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    [SOLVED] Error upgrading several PVE 5 nodes

    Hello, We're upgrading several old PVE5 nodes (all of them with subscription), and we're facing this error: root@pve1:~# apt update Hit:1 http://security.debian.org stretch/updates InRelease Ign:2 https://enterprise.proxmox.com/debian/pve stretch InRelease Ign:3...
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    Recommended RAM for ZFS

    Hello, We've a 5 node cluster with local storage. All servers are the same: Intel Xeon E-2288G 128GB RAM 4 x 960GB SSD in RAID10 with hardware controller. We try not to provision more than the 80% of RAM (100GB+-) to have room for balancing VMs if necessary. The point is that we miss ZFS...
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    [SOLVED] Moving from no-subscription to enterprise

    Hello, We've a 4 node cluster hosted in a cloud provider. All nodes have a basic subscription. Now we've acquired a new node, and the installation template from the hoster comes with the pve-no-subscription repository. I know that I need to comment the pve-no-subscription entry at...
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    Adding new PVE 6 node to a cluster which is being upgraded from PVE 5.4 to PVE 6

    Hello, We're in process of upgrading a 4 node cluster to PVE6, but we would like to know if it's possible to add a new PVE6 node to the cluster if we still have one node with 5.4. Here is our environment: ENVIRONMENT: node0: PVE 5.4 (with Corosync 3) -> with VMs running on local-lvm node1: PVE...
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    Cluster behaviour when upgrading to 6.2

    Hello, We've a cluster of 4 servers running Proxmox VE 5.4, and we're upgrading them to 6.2 next week. The upgrading path will consist on moving out VMs from the node that's going to be upgraded. Since we're using local storage, it can be a time-consuming process. Our concern is if, when all...
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    sources.list on OVH

    Hello, We've 3 servers on OVH, with Proxmox installed from their template. I see different sources.list files between nodes. NODE0: deb http://debian.mirrors.ovh.net/debian/ stretch main contrib # security updates deb http://security.debian.org/ stretch/updates main contrib NODE1: deb...
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    Smart information on GUI for -sat disks

    Hi, On the GUI, I'm able unable to see SMART status of some of our drives. Some of them show as "PASSED", but sometimes USB drives show as "UNKNOWN": What I see is that for drives that show their status on the GUI, I can see SMART status on shell via "smartctl -a /dev/sdX". However, for...
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    No ARC usage

    Hi, I've a server with these specifications: Intel(R) Xeon(R) CPU E31220 16GB ECC Ram 2 x 1TB SATA drives (WD10EFRX-68FYTN0) with ZFS Mirror. It runs incredibly slow. I'm aware SATA disks are slow and we should install a SSD cache device, but I noticed arcsize is small. It seems ZFS it's not...
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    Old deleted node showing on HA lrm

    Hi all, On one of our customers, we used to have a 2-node cluster. Nodes' name were: "mdc0" and "mdc1".One of the servers failed (mdc0), and we removed it using pvecm delnode mdc0. I've noticed that this old node is still showing on HA GUI Menu: Here is the output of /etc/pve/.members (the...
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    VM migration between local-lvm storage kills I/O on destination server

    Hi, On a two server cluster, trying to offline migrate a 50GB VM stored from one node to another kills I/O on the destination node. Both have HW RAID-10 Enterprise SSD (they are on OVH) and 10Gb connection between them, and the VM is stored on lvm-thin (recently converted from "classic" lvm)...
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    Swap usage

    Hi, One of our servers seems that's using all SWAP, even with RAM available. Is it normal? Note that we've never changed vm.swapiness on this server, so it's in its default value. Thank you all!
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    Cluster with dedicated network, using public IP (?

    Hi, I've set up a two node cluster using a dedicated network, as seen on Proxmox Wiki: https://pve.proxmox.com/wiki/Cluster_Manager Dedicated network range: 10.17.14.0/24 Node 1 IP: 10.17.14.1 Node 2 IP: 10.17.14.2 When creating the cluster, on the first node I did: pvecm create mycluster...
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    Advice on upgrading Proxmox 3.4 cluster with DRBD

    Hi everybody, I need some advice on upgrading a 3 node Proxmox 3.4 HA Cluster with this config: Hardware Server 1 (Proxmox VE 3.4) 1x Intel Xeon E5-2620 32GB RAM LSI Hardware Raid + 512MB Cache + BBU 2x 400GB SAS10K RAID1 -> root + local storage 2x 1TB SAS10K RAID1 -> DRBD 8 3x Gigabit LAN (1x...
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    VMs with rate limit and bridged network not booting: "RTNETLINK answers: No such file or directory"

    Hi all, I noticed that my VMs with bridged network can't boot when rate limit is enabled on any network interface. Without rate limit, they work OK. Also, if I change network to NAT and I set a rate limit, VMs boot without problems. Here is the error: Running as unit 701.scope. RTNETLINK...

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