#*=============================================================================
#* Script Name: Diskmonitor.ps1
#* Created:     02-25-2009
#* Author:      Colin Smiht
#* Company:
#* Email:
#* Web:         http://sysadminsmith.com
#*=============================================================================
#* Purpose:  This script will gather disk information about all the servers listed in your computerlistall file. This is a csv file.
#*           It will also send out notifications via email to anyone you want based on low disk parameters that you provide
#*
#*=============================================================================

##########################################
###		Gather Disk Information	   ###
##########################################
Clear-Content "D:\Scripts\Powershell\PAC\lowdisk.txt"
$i = 0
$users = "[email protected]"
$computers = import-csv "D:\Scripts\computerlistall.txt"
Write-Output "ServerName		Drive Letter	Drive Size	Free Space	Percent Free" >> "D:\Scripts\Powershell\PAC\lowdisk.txt"
Write-Output "----------		------------	----------	----------	------------" >> "D:\Scripts\Powershell\PAC\lowdisk.txt"
foreach ($line in $computers) {
	$computer = $line.hostname
	$ip = $line.ip
	$computer
	$ip
}
$drives = Get-WmiObject -ComputerName $computer Win32_LogicalDisk | Where-Object { $_.DriveType -eq 3 }
foreach ($drive in $drives) {
	$size1 = $drive.size / 1GB
	$size1
	$size = "{0:N2}" -f $size1
	$size
	$free1 = $drive.freespace / 1GB
	$free = "{0:N2}" -f $free1
	$ID = $drive.DeviceID
	$a = $free1 / $size1 * 100
	$b = "{0:N2}" -f $a

	##############################################
	##	Determine if any disks low	##
	##############################################

	if (($ID -eq "D:") -or ($ID -eq "S:") -or ($ID -eq "T:") -or ($ID -eq "C:") -and ($free1 -lt 1)) {
		Write-Output "$computer		$ID			$size		$free		$b" >> "D:\Scripts\Powershell\PAC\lowdisk.txt"
		$i++
		#[char]10 | Out-File -append ./low.txt
	}
}


####################################################

##    Send Notification if alert $i is greater then 0         ##

####################################################

if ($i -gt 0) {
	foreach ($user in $users) {
		Write-Output "Sending Email notification ro $user"
		$smtpServer = "smtp server"
		$smtp = New-Object Net.Mail.SmtpClient($smtpServer)
		$emailFrom = "[email protected]"
		$subject = "Email Subject"
		foreach ($line in Get-Content "D:\Scripts\lowdisk.txt")
		{
			$body += "$line `n"
		}
		$smtp.Send($EmailFrom, $user, $subject, $body)
		$body = ""
	}
}