Script to Get Available / Free Disk Space when Mountpoints has been configured in Windows Environment

DECLARE @svrName varchar(255)
DECLARE @sql varchar(400)


--by default it will take the current server name, we can the set the server name as well
SET @svrName = @@SERVERNAME
SET @sql = 'powershell.exe -c "Get-WmiObject -ComputerName ' + QUOTENAME(@svrName,'''') + ' -Class Win32_Volume -Filter ''DriveType = 3'' | select name,capacity,freespace | foreach $_.name+''|''+$_.capacity/1048576+''%''+$_.freespace/1048576+''*''}"'


--creating a temporary table
CREATE TABLE #output(line varchar(255))


--inserting disk name, total space and free space value in to temporary tableinsert #output
EXEC xp_cmdshell @sql


--script to retrieve the values in MB from PS Script output
SELECT rtrim(ltrim(SUBSTRING(line,1,CHARINDEX('|',line) -1))) as drivename,round(cast(rtrim(ltrim(SUBSTRING(line,CHARINDEX('|',line)+1,(CHARINDEX('%',line) -1)-CHARINDEX('|',line)) )) as Float),0) as 'capacity(MB)',round(cast(rtrim(ltrim(SUBSTRING(line,CHARINDEX('%',line)+1,(CHARINDEX('*',line) -1)-CHARINDEX('%',line)) )) as Float),0) as 'freespace(MB)'
FROM #output
WHERE line like '[A-Z][:]%'order by drivename


--script to retrieve the values in GB from PS Script output
SELECT rtrim(ltrim(SUBSTRING(line,1,CHARINDEX('|',line) -1))) as drivename,
round(cast(rtrim(ltrim(SUBSTRING(line,CHARINDEX('|',line)+1,(CHARINDEX('%',line) -1)-CHARINDEX('|',line)) )) as Float)/1024,0) as 'capacity(GB)',round(cast(rtrim(ltrim(SUBSTRING(line,CHARINDEX('%',line)+1,(CHARINDEX('*',line) -1)-CHARINDEX('%',line)) )) as Float) /1024 ,0)as 'freespace(GB)'
FROM #output
WHERE line like '[A-Z][:]%'order by drivename

--script to drop the temporary table

DROP TABLE #output