migration from PVE 2.3-13 to 4.4-12

[Denzuk]

Hi all! I got such (subject line) task and dont understand how can i transfer VM from old server to new. Can some help with manual or something. (I'm very new to ZFS)

i find "old" VMs on 2.3-13 pve
[509][root.proxmox: images]$ ls * -l | grep root | head
-rw-r--r-- 1 root root 34365243392 Feb 6 16:17 vm-100-disk-1.qcow2
-rw-r--r-- 1 root root 34365243392 Apr 29 2013 vm-101-disk-1.qcow2
-rw-r--r-- 1 root root 10739318784 Feb 6 17:06 vm-102-disk-1.qcow2
-rw-r--r-- 1 root root 35433480192 Jul 28 2015 vm-103-disk-1.raw
-rw-r--r-- 1 root root 343597383680 Jan 30 15:41 vm-104-disk-2.raw
-rw-r--r-- 1 root root 4294967296 Feb 6 17:01 vm-104-disk-3.raw
-rw-r--r-- 1 root root 48325984256 Nov 4 13:14 vm-105-disk-1.qcow2
-rw-r--r-- 1 root root 3257008128 Nov 4 13:09 vm-106-disk-1.vmdk
-rw-r--r-- 1 root root 10739318784 Feb 6 17:06 vm-107-disk-1.qcow2
-rw-r--r-- 1 root root 21478375424 Nov 25 14:45 vm-108-disk-1.qcow2
[510][root.proxmox: images]$ pwd
/var/lib/vz/images
[511][root.proxmox: images]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/pve-root 95G 33G 58G 37% /
tmpfs 16G 0 16G 0% /lib/init/rw
udev 16G 320K 16G 1% /dev
tmpfs 16G 16M 16G 1% /dev/shm
/dev/mapper/pve-data 1.7T 1.6T 103G 94% /var/lib/vz
/dev/sda1 495M 100M 370M 22% /boot
/dev/fuse 30M 88K 30M 1% /etc/pve



and this is 4.4 PVE server
root@pve:~# df -h
Filesystem Size Used Avail Use% Mounted on
udev 10M 0 10M 0% /dev
tmpfs 791M 8.9M 782M 2% /run
rpool/ROOT/pve-1 886G 1.5G 885G 1% /
tmpfs 2.0G 43M 1.9G 3% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup
rpool 885G 128K 885G 1% /rpool
rpool/ROOT 885G 128K 885G 1% /rpool/ROOT
rpool/data 885G 128K 885G 1% /rpool/data
/dev/fuse 30M 16K 30M 1% /etc/pve
root@pve:~# zfs list
NAME USED AVAIL REFER MOUNTPOINT
rpool 14.7G 884G 96K /rpool
rpool/ROOT 1.48G 884G 96K /rpool/ROOT
rpool/ROOT/pve-1 1.48G 884G 1.48G /
rpool/data 4.67G 884G 96K /rpool/data
rpool/data/vm-100-disk-1 1.03G 884G 1.03G -
rpool/data/vm-101-disk-1 3.64G 884G 3.64G -
rpool/swap 8.50G 893G 108K -
root@pve:~# zpool status
pool: rpool
state: ONLINE
scan: scrub repaired 708K in 0h2m with 0 errors on Fri Feb 3 14:47:35 2017
config:

NAME STATE READ WRITE CKSUM
rpool ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
sda2 ONLINE 0 0 0
sdb2 ONLINE 0 0 0

errors: No known data errors
root@pve:~#

and sorry for my bad english