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leave-cluster.sh
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leave-cluster.sh
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#SSH into proxmox cluster node
#1. Shutdown all containers and vms
pvesh create /nodes/localhost/stopall
#2. stop services
systemctl stop pvestatd.service
systemctl stop pvedaemon.service
systemctl stop pve-cluster.service
systemctl stop corosync
systemctl stop pve-cluster
#3. edit through sqlite, check, delete, verify
sqlite3 /var/lib/pve-cluster/config.db <<EOF
select * from tree where name = 'corosync.conf';
delete from tree where name = 'corosync.conf';
select * from tree where name = 'corosync.conf';
.quit
EOF
#3. Remove directories
pmxcfs -l
rm /etc/pve/corosync.conf
rm /etc/corosync/*
rm /var/lib/corosync/*
#rm -rf /etc/pve/nodes/* #Do this only if you want to delete all nodes
#Dont forget to remove nodes that you dont want from /etc/pve/priv/authorized_keys
reboot