Remove all the syncoid created snapshots. Uses specific syncoid's pattern, so make sure you it doesn't clash with anything else you use

cleanup_syncoid_builds.sh

#!/bin/bash

ARR=($(zfs list -t snapshot -o name -s name | grep -i -o ".*@syncoid_build.*"))

for i in "${ARR[@]}"
do
   echo "Getting rid of snapshot $i..."
   echo "zfs destroy -R $i"
   zfs destroy -R "$i"
done