#!/bin/bash

ver=$(cat /etc/redhat-release | grep '6\.' | wc -l)
if ((1 == ver))
 then
# version 6.x
# rhel 6: scsi_id --page=0x80 --whitelisted --device=/dev/
    CMD='scsi_id --page=0x80 --whitelisted --device=/dev/'
 else
# other -- assume version 4
    CMD='scsi_id -g -u -s /block/'
 fi


fdisk -l  2>/dev/null | grep Disk | awk '{print $2}'| sed 's/\/dev\///' | sed 's/://' | grep -v identifier | while read line
 do 
    ##res=$(scsi_id -g -u -s /block/${line})
# Disk /dev/sdb: 524.2 GB, 524288000000 bytes
    size=$(fdisk -l /dev/${line} 2>/dev/null | grep 'Disk /dev' | awk '{print $3,$4}' | sed 's/,//')
    res=$(${CMD}${line})
    label=$(e2label /dev/${line})
    if [[ 'X' == "X${label}" ]]
     then
        label='no_label'
     fi 
    echo "${line} ${res} ${label}   ${size}"
 done