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    "Too Many open files" on Proxmox API + GUI (with KVM)

    Hey guys, Since we updated our PVE cluster to PVE6, we're having quite a lot of API + GUI errors with this message : "RPCEnvironment init request failed: Unable to load access control list: Too many open files" Theses nodes only host KVM VMs, and most of the threads I've found on the subject...
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    Loss + Consider r2q change

    Hey guys ! We recently expended one of our clusters, with larges servers. Theses servers are currently handling about 100-150 KVM VM, and are running great, except for one detail : We have some random loss, during 1-2min, on some VMs, temporarily, and then everything comes back online...
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    [SOLVED] cfs lock 'domain-ha' timeout & master old timestamp

    Hey guys ! We're having 2 issues on our cluster, who are likely to be related. Since a few hours, most of our HA task fails, with the error 'update resource failed: error with cfs lock 'domain-ha': got lock request timeout', and our ha-manager reports that the master is old timestamp - dead...
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    8 nodes cluster disaster

    Hey guys, We're facing an issue with one of our Proxmox cluster. We have a 8 nodes setup, that completely fenced for "no reason" (I assume there's a good reason for this, but not an obvious one). This cluster has a 2 Ring corosync network, and both are independant network fully monitored =>...
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    Bayesian filter across all cluster

    Hey guys ! I'm facing an issue on a fairly recent Proxmox Mail Gateway installation. We have a really simple installation with 3 servers, configured in cluster directly in Proxmox. It looks like the bayesian filter are not sync accross all the nodes in the cluster. I'm receiving tons of...
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    Iscsi storage lost and HA issue

    Hi guys, I recently built a Proxmox 5.1 cluster, with 5 identical HP servers. Alls theses servers are connected throught ISCSI to a storage bay, with a multipath configuration. Everything is running great, but I wanted to test several scenarios, and had an issue on the following one : What...
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    Create VM with 1/4 of CPU

    Hi, Actually, with proxmox, we can create VM/VZ with 1;2;3;4; etc CPUs. But, how to create VM/VZ with 1/4 CPU ? Of 1/2 ? I know we can do that on SolusVm, why not with proxmox ? Best regards,
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    Cluster with unicast

    Hello, As OVH doesn't support multicast, I decided to configure my cluster to use unicast. So, I created a cluster on Node 1, changed conf to add unicast", and added the following line in /etc/hosts "IP.OF.NOD.2 nsXXXXXX.ovh.net nsXXXXXX" and rebooted the node. I reinstalled node...
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    Add nodes to a culster

    Hi, I've got 2 differents servers on proxmox. The first (192.168.192.1) got a cluster "S3", with VPS, etc. I want to add the second server (192.168.192.2) to that cluster. It was a debian server, so, I just reinstalled it on proxmox 2.0. I've done update, upgrade, and dist-upgrade. So, they...

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