:: What’s KVM
KVM (Kernel-based Virtual Machine) is a full virtualization for Linux.
:: How to Migrate guest KVM VPS in SolusVM
+ Preparing in old node server
0. Shutdown KVM VPS
virsh list virsh shutdown kvm103
or you can click Shutdown via SolusVM Master
1. Check LV Path for KVM VPS
lvdisplay
you will see some like these:
--- Logical volume --- LV Path /dev/vg/kvm103_img LV Name kvm103_img VG Name vg LV UUID YMZRmv-Bvh0-HbUz-2Jei-QTkv-ynhe-eAhlO7 LV Write Access read/write LV Creation host, time kvm.blackonsole.org, 2013-01-21 18:12:46 -0600 LV Status available # open 1 LV Size 60.00 GiB Current LE 1920 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 4096 Block device 253:0
2. Create image from the lv path
dd if=/dev/vg/kvm103_img | gzip | dd of=kvm103.gz bs=4096
3. Transfer image to new server
rsync kvm103.gz root@newserver:~
+ In New Server
0. Create new lv in lvm group
lvcreate -n kvm103_img --size 60G /dev/vg01
1. Restore image in new server
dd if=kvm103.gz | gzip -d | dd of=/dev/vg01/kvm103_img bs=4096
+ in SolusVM Master
0. Change Node ID for KVM VPS
/script/vm-migrate VSERVERID NEWNODEID
example:
/script/vm-migrate 10 4
1. Start / Click Boot for reboot KVM VPS in new node
