Zfs resize disk

Expand disk in Vsphere or qemu-img then

echo 1 | sudo tee /sys/class/block/sdb/device/rescan

sudo partprobe -s
sudo partprobe
lsblk
zpool list
sudo zpool online -e <POOL NAME> <DEVICE NAME>
# zpool online -e mypoolname sdb
zpool list

# Note:
# partprobe - command to inform the OS of partition table changes

https://serverfault.com/questions/946055/increase-the-zfs-partition-to-use-the-entire-disk

sudo partprobe -s
zpool status -v
sudo zpool online -e zfspv-pool sda