#!/bin/bash _CURRENT_POOL='zpool1' #Check if the tool 'zpool' is available, then #retrieve the property 'ashift' from 'zpool1', without header and compare the result with '12' zpool version &> /dev/null \ && [ "$(zpool get ashift -Ho value ${_CURRENT_POOL} 2> /dev/null)" == "12" ] \ && exit 0 exit 1