Proxmox – Shrink local ZFS disk

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Proxmox – Shrink local ZFS disk

1- boot gparted and shrink partitions leaving free space as you like
2- in pve shell


$zfs set volsize=<new size>G rpool/data/vm-<vm id>-disk-<disk number>

Ex: zfs set volsize=50G rpool/data/vm-141-disk-0

3- edit vm config in /etc/pve/qemu-server/vm-id.conf


virtio0: local-zfs:vm-<vm id>-disk-<disk number>,size=<new size>G

IF can not boot and corrupted partition table for shrinked disk:

boot gparted

gdisk /dev/sda

press

v
x
e
w
y

Done!