Hotplug memory downgrade is not working

[jegan]

Hello,

Hotplug memory downgrade is not working

Virtual Environment 6.3-3

Error :

Parameter verification failed. (400)

memory: hotplug problem - 400 Parameter verification failed. dimm4: error unplug memory module

tail -f /var/log/syslog

Jun 3 11:59:45 hrcloud10 pvedaemon[38888]: <root@pam> update VM 194: -delete balloon,shares -memory 3072
Jun 3 11:59:45 hrcloud10 pvedaemon[38888]: cannot delete 'balloon' - not set in current configuration!
Jun 3 11:59:45 hrcloud10 pvedaemon[38888]: cannot delete 'shares' - not set in current configuration!

 

[dcsapak]

did you see: https://pve.proxmox.com/wiki/Hotplug_(qemu_disk,nic,cpu,memory)#Memory_Hot_Unplug ?

 

[spirit]

Hi,
it's a linux limitation, it's really random working/non working. (not working with windows too).

A new implementation with virtio-mem is available in last qemu version, but not yet implemented in proxmox.

I'll to see to add support for it for proxmox 7.