Proxmox

apt install cpufrequtils more /etc/init.d/cpufrequtils cpufreq-set -g powersave cpufreq-info ===== lscpu cat /proc/cpuinfo | grep -i ‘mhz’ grep -E ‘^model name|^cpu MHz’ /proc/cpuinfo cat /sys/devices/system/cpu/cpufreq/policy7/scaling_governor cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq **performance for CPUFREQ in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do [ -f $CPUFREQ ] || continue; echo -n performance > $CPUFREQ; done **powersave for CPUFREQ in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do [ -f $CPUFREQ ] || continue; echo -n powersave > $CPUFREQ; done echo “powersave” > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor ...

http://sclabs.blogspot.tw/2016/07/io-comparison-proxmox-kvm-raw-qcow2_23.html

http://pve.proxmox.com/wiki/Storage_Migration ========== qemu-img convert -O qcow2 /dev/VMStor1/vm-100-disk-1 /mnt/VMStor2/images/100/vm-100-disk-1.qcow2

qemu-img convert -p -f vmdk “IE11 - Win7-disk1.vmdk” -O raw /dev/mapper/pve-vm–101–disk-1 ========== qemu-img convert -p -f vmdk “IE11 - Win7-disk1.vmdk” -O raw “IE11 - Win7-disk1.raw” dd if=“IE11 - Win7-disk1.raw” bs=1M|pv| dd of=/dev/mapper/pve-vm–101–disk–1 https://forum.proxmox.com/threads/dd-raw-drives-to-lvm-is-slow-is-there-a-better-way.29785/

http://pve.proxmox.com/wiki/Proxmox_Cluster_File_System_(pmxcfs) stop the cluster file system in /etc/pve/ # systemctl stop pve-cluster start it again but forcing local mode # pmxcfs -l remove the cluster configuration # rm /etc/pve/cluster.conf # rm /etc/cluster/cluster.conf # rm /var/lib/pve-cluster/corosync.authkey stop the cluster file system again # systemctl stop pve-cluster restart PVE services (or reboot) # systemctl start pve-cluster # systemctl restart pvedaemon # systemctl restart pveproxy # systemctl restart pvestatd =======移除node============== 經PVE03 執行pvecm delnode pve07 刪除 已重灌的pve07 節點，corosync.conf 內的node 資料已刪除 但gui上仍出現pve07 的資料 需手動進pve03 的shell，進入/etc/pve/nodes，rm -rf pve07 手動刪除pve07 的資料夾，再重整網頁gui，pve07即消失 ...