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    IO delays on live migration lv initialization

    Hi, The migration itself goes just fine. But other vm's on the destination host are negatively affected. I'm seeing delays in storage response time. This leads in some instances to an unresponsive webserver. It's not completely locked up, I can ssh in and look around, but storage intensive...
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    What could be the reason a VM migration failed?

    (I know too broad a question ... I'll try to narrow it down) I'm often migrating vm's but sometimes it fails. E.g. I migrate a vm from node 1 to node 2, and it failed after memory was transferred. (log below) A second attempt between the same hosts worked OK. node1: proxmox-ve: 6.2-1...
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    Corosync upgrade udpu vs knet

    I've upgraded corosync in my cluster in preparation of the upgrade to Proxmox 6.x. (followed https://pve.proxmox.com/wiki/Upgrade_from_5.x_to_6.0) I did have some difficulties ... but it worked. After upgrading the first node I got: # pvecm status Cannot initialize CMAP service Then it...
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    Can we tune memory ballooning to start higher then 80% host usage?

    On a Proxmox host I noticed that memory ballooning kicks in when the host is reaching 80% capacity on it's RAM. This was confirmed in the docs. Is there a setting to tune that? On a 128GB machine it feels not ok to take memory from a guest when the host still has 25GB free. The 'free' space...