MPX ADC 13.1 ns_hw_err.bash not working with error : HDD ERROR: HDD not found during boot

For MPX ADCs with firmware version 13.1: Build21.50+ Users got the following “HDD not found during boot” error when doing nshwerr.bash check. root@ns /netscaler/nshwerr.bash HDD ERROR: HDD not found during boot Filesystem 1024-blocks Used Avail Capacity Mounted on /dev/md0 523292 507208 5620 99% ...