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Hi! HA need quorum. Quorum - more then half nodes. For 5 nodes - more then half nodes (quorum) is the more then 5/2=2.5 i.e. 3 nodes. Best regards, Gosha

Ok. Please read first paragraph here: https://pve.proxmox.com/wiki/Separate_Cluster_Network Gosha

"container freeze for 1.2 sec then network activity from corosync started" - is this a bad argument? ;) Gosha

Hi! You need to use a separate physical network interface for the cluster (corosync) needs. Like this: Best regards Gosha

Extract from document "Licensing Windows Server for use with virtualization technologies": "However, the guest OS instances deployed and running in virtual OSEs on the server still must be appropriately licensed. This means licenses must be assigned to the server for all the physical cores on...

Hi! And You tried to do it? ceph pg repair 2.3d Best regards, Gosha

For windows-guest: veeam backup

Hi! You mean this? Best regards, Gosha

Hi! To run the VMs, you must provide a quorum. You do not have a quorum. The 4-node cluster is not profitable to do because the quorum is more than half the votes - to ensure the operation of the 4-node cluster you need 3 working nodes. If you look at a 3-node cluster, then it needs 2 working...

Hi! The quorum is provided by more than half of votes. For a 4-node cluster, this is 4/2 + 1 = 3. You have 2 nodes left. The quorum is not provided. Best regards, Gosha

Hi! Are these servers equipped with RADI-controllers? If yes, which ones? Best regards, Gosha

Hi! VM's Options -> Qemu agent - must be "Yes". Check, please. Gosha

Happy Birthday Proxmox! :) Gosha

Hi! It seems to me that I have found a solution to the problem. ceph.conf - in section [global]: osd scrub sleep = 0.2 osd scrub chunk min = 1 osd scrub chunk max = 2 This increased the number of deep-scrub operations, but reduced the negative impact on the work of all OSDs. and half cache...

Hi! The result for the disk most often mentioned in error messages: smartctl -a -d sat+cciss,3 /dev/sdb smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.15.17-3-pve] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION ===...

Ok. Later.

Hi! I did not try to make OSDs as filestore. But I thus used the OSDs in the previous version of ceph (in PVE 4.x). And all the same HDDs worked without errors. This don't works for my RAID-controller: smartctl -a -d sat+megaraid,3 /dev/sdb smartctl 6.6 2016-05-31 r4324...

Hi! That's what I found. My last problem of "slow requests are blocked" is known and not yet solved. I hope to wait for the decision. :) https://tracker.ceph.com/issues/23205 https://github.com/ceph/ceph/pull/21750 Gosha

I'm not interested to listen to sermons, but it is very interesting to hear the answer to my last question about possibility of tuning the settings for HDD. Gosha

I already wrote that I do not have such an opportunity. :( If I can convince the leadership, then it will be paid to the budget for the next year. And the problem needs to be solved now. Gosha