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I guest my problem fall into NIC problem with Proxmox. Same this case: https://forum.proxmox.com/threads/dual-sfp-card-only-showing-1-nic.36661/ Tomorrow i will change my to newer NIC and retest again.

i red somewhere on this forum and already try this recommend command but no luck root@cp101:~# pvecm updatecerts --force root@cp101:~#

This is network traffic but peak time is differences from incident time: i think this is not the root cause. And how network can caused all nodes reboot ? except Dell Server?

Can i upgrade straight to 5.1.3x? do i have to migrate VM/CT to other and perform rolling upgrade? Probably. I'm checking log now. We have exp when we test MTU 9000 with following command and server reboot too: From hv102: ping hv101 -c 10 -M do -s 8972

Hi, I have few Blade Server HP C7000 and i use them to host Proxmox Cluster. My Cluster have 8 nodes (is this reliable quorum?) and sometime it rebooted all nodes hosted on Blade. Other server same blade have no impact. Last 2 weeks i decided to add 1 Dell PowerEdge R620 and migrate some...

Thanks for your clearly TIP. I see this command on internet but not detail as your explaination.

Hi Fabian, May i know how to find out top container consume this resources ? Thanks,

Hi Fabian, I can confirm this is impacted on LXC node and parameter adjusted on node2 and node1 (LXC node). I try to separate LXC and KVM to separate nodes: some host KVM VPS and some host LXC VPS. KVM nodes: not affected by this bug. LXC nodes: yes, only LXC VPS caused this problem...

Hi Fabian, I already try it but no luck yesterday. I red your instruction in this thread: https://forum.proxmox.com/threads/failed-to-allocate-directory-watch-too-many-open-files.28700/#post-145947

Hi Fireon, Yes, this is newly setup system and host under 50 VPS on 3 nodes. I have narrow down VPS caused this issues and temporary suspend them to avoid this error. Our server has run without reboot more than 24 hours already. But this is just a temporary resolution. It's not the root cause...

Hi, I have 3 nodes, i configure all basic network configuration -->install let's encrypt and access with green color on browser URL. Then on node1 i create cluster: pvecm create test-cluster --ring0_addr 10.10.30.1 --bindnet0_addr 10.10.30.0 on node2 i join to cluster of node1: pvecm add...

I guest problem related to this thread Yes External CEPH storage We use both platform: KVM and LXC. I try separate both platform to separate compute, some host KVM and some host LXC. After monitoring we detected problem just happen to LXC node only. KVM node is still working normal. This...

I read this topic, and try to set inotify value to higher but no luck:

Hi, This morning we detected problem on our cluster running Proxmox 5.1.35 We try to migrate all VM and CT to new node, then try start services with ha-manager and see following errors: root@node02:~# ha-manager set ct:119 --state started Unable to create new inotify object: Too many open...

This morning my server shutdown and i can not start our VM back, when check pveproxy service is said: root@node01:~# service pveproxy status ● pveproxy.service - PVE API Proxy Server Loaded: loaded (/lib/systemd/system/pveproxy.service; enabled; vendor preset: enabled) Active: active...

Hi, We have an VM running on VMWare ESXi. We just migrate to Proxmox 5.1 with disk type as IDE and it boot up normal. But the problem is really slow due to IDE type so we remove this HDD -->edit it as Virtio and reboot. This boot is already hang up at: I tried edit boot command to...

Hi dcsapak, It return as below: root@hv103:~# /usr/bin/ssh -o 'HostKeyAlias=hv101' root@10.10.30.151 /bin/true Warning: the RSA host key for 'hv101' differs from the key for the IP address '[10.10.30.151]:4848' Offending key for IP in /root/.ssh/known_hosts:2 Matching host key in...

Hi, We having migration problem recently, promox does not migrate VM to other server if 1 server die. We tried manual migrate from hv103 to hv101 and got error: () Task viewer: VM 150 - Migrate Output Status Stop task started by HA resource agent 2017-12-18 19:13:12 # /usr/bin/ssh -o...

Hi Alex, Are your CT managed by HA? This happen for this CT (my case ID 135) only. We tested other CT and thing never happen.

Hi Alex, Did you manage this problem? We have the same case with you. Ceph as backend storage.