Hi Tao On 03.09.19 03:03, Hou Tao wrote: > As showed in the following lines, we should use "&>" and "&>>" to save the > output from both the standard output and standard error output: > > mdadm -D /dev/md* &> /md_debug.txt > mdadm -S /dev/md* &>> /md_debug.txt > > Could you please update the code snippet accordingly ? Done! Thank you. -- kind regards mathias