Add-PSSnapin SqlServer* 

dir SQLSERVER:SQLlocalhostdefaultdatabases | Select Name, Size, SpaceAvailable | ft -auto

dir SQLSERVER:SQLlocalhostdefaultdatabasesAdventureWorkslogfiles | 

    Select Name, Size, UsedSpace | ft -auto

$dataTable = New-Object system.Data.DataTable "SomeStuff"

#Specify the column names for the data table

$col1 = New-Object system.Data.DataColumn FunkyText,([string])

$col2 = New-Object system.Data.DataColumn JustANumber,([int])

$col3 = New-Object system.Data.DataColumn TodaysDate,([datetime])

#Add the columns to the data table

$dataTable.Columns.Add($col1)

$dataTable.Columns.Add($col2)

$dataTable.Columns.Add($col3)

#Create a new row

$row = $dataTable.NewRow()

#Add data for each column in the row

$row.FunkyText = "Something really funky"

$row.JustANumber = 1395

$row.TodaysDate = ((Get-Date ).ToString("yyyy-MM-dd HH:mm:ss"))

#Add the new row to the datatable

$dataTable.Rows.Add($row)

#Output the datatable

$dataTable | out-gridview

Param ($Servername= 'localhost')

Function Get-DBSizes ($Servername)

{

$Servername

#Check to see if it's a name instance, if it is the location will be different

if ($Servername -ilike "**") { $BaseLocation = "SQLSERVER:SQL$Servernamedatabases" }

    else { $BaseLocation = "SQLSERVER:SQL$Servernamedefaultdatabases" }

$dblist = dir $BaseLocation -Force | select Name

foreach ($db in $dblist)

{

    $location = $db.Name

    $locationFixed = $location -replace "[.]", "%2e"

    #Grab the database information

    $DBInfo = dir $BaseLocation -Force | Where-Object {$_.Name -eq $location; $_.Refresh()} | 

        select Name, 

                size,

                SpaceAvailable,

                CompatibilityLevel

    #Pull the log information

    #Use measure-object to sum up sizes in the event that we might have more than one log file

    $logsize = dir $BaseLocation$locationFixedlogfiles | Where-Object {$_.Name; $_.Refresh()} | Measure-Object -Property Size -Sum 

    $logused = dir $BaseLocation$locationFixedlogfiles | Where-Object {$_.Name; $_.Refresh()} | Measure-Object -Property UsedSpace -Sum 

    $sp = $DBInfo.SpaceAvailable

    $TotalDBSizeMB = $DBInfo.size

    $LogSizeMB = ($logsize.sum / 1024)

    $LogUsedMB = ($logused.Sum / 1024)

    $LogFreeMB = ($LogSizeMB - $LogUsedMB)

    $DataFilesSizeMB = ($TotalDBSizeMB - $LogSizeMB)

    $SpaceAvail = ($dbinfo.SpaceAvailable / 1024)

    #Because SQL2000 spaceavailable    includes log space we have to do different calculations depending on version

    #Run DBCC UPDATEUSAGE on your 2000 databases nightly to help ensure this data is accurate

    $Compat = $DBInfo.CompatibilityLevel

    if ($Compat -eq 'Version80') { $DataFileFreeMB = ($SpaceAvail - $LogFreeMB)    }

        else { $DataFileFreeMB = $SpaceAvail }

    $DataFileUsedMB = ($DataFilesSizeMB - $DataFileFreeMB)

    $DataFilePercentUsed = ($DataFileUsedMB / $DataFilesSizeMB) * 100

    $DataFilePercentFree = 100 - $DataFilePercentUsed 

    $LogPercentUsed = ($LogUsedMB / $LogSizeMB) * 100

    $LogPercentFree = 100 - $LogPercentUsed

    $date = (Get-Date ).ToString("yyyy-MM-dd HH:mm:ss")

    #Write the results into the data table

    $row = $dataTable.NewRow()

    $row.ServerName = $Servername

    $row.DatabaseName = $location

    $row.TotalDBSizeMB = $TotalDBSizeMB

    $row.DataFilesSizeMB = $DataFilesSizeMB

    $row.DataFilesUsedMB = $DataFileUsedMB

    $row.DataFilesFreeMB = $DataFileFreeMB

    $row.DataPercentUsed = $DataFilePercentUsed

    $row.DataPercentFree = $DataFilePercentFree

    $row.LogFilesSizeMB = $LogSizeMB

    $row.LogFilesUsedMB = $LogUsedMB

    $row.LogFilesFreeMB = $LogFreeMB

    $row.LogPercentUsed = $LogPercentUsed

    $row.LogPercentFree = $LogPercentFree

    $row.Date = $date

    $dataTable.Rows.Add($row)

    #And we are done

}

}

#Create data table to hold the results

$dataTable = New-Object system.Data.DataTable "Results"

#Specify the column names for the data table

$col1 = New-Object system.Data.DataColumn ServerName,([string])

$col2 = New-Object system.Data.DataColumn DatabaseName,([string])

$col3 = New-Object system.Data.DataColumn TotalDBSizeMB,([int])

$col4 = New-Object system.Data.DataColumn DataFilesSizeMB,([int])

$col5 = New-Object system.Data.DataColumn DataFilesUsedMB,([int])

$col6 = New-Object system.Data.DataColumn DataFilesFreeMB,([int])

$col7 = New-Object system.Data.DataColumn DataPercentUsed,([decimal])

$col8 = New-Object system.Data.DataColumn DataPercentFree,([decimal])

$col9 = New-Object system.Data.DataColumn LogFilesSizeMB,([int])

$col10 = New-Object system.Data.DataColumn LogFilesUsedMB,([int])

$col11 = New-Object system.Data.DataColumn LogFilesFreeMB,([int])

$col12 = New-Object system.Data.DataColumn LogPercentUsed,([decimal])

$col13 = New-Object system.Data.DataColumn LogPercentFree,([decimal])

$col14 = New-Object system.Data.DataColumn Date,([datetime])

#Add the columns to the data table

$dataTable.Columns.Add($col1)

$dataTable.Columns.Add($col2)

$dataTable.Columns.Add($col3)

$dataTable.Columns.Add($col4)

$dataTable.Columns.Add($col5)

$dataTable.Columns.Add($col6)

$dataTable.Columns.Add($col7)

$dataTable.Columns.Add($col8)

$dataTable.Columns.Add($col9)

$dataTable.Columns.Add($col10)

$dataTable.Columns.Add($col11)

$dataTable.Columns.Add($col12)

$dataTable.Columns.Add($col13)

$dataTable.Columns.Add($col14)

#Provide the name of the SQL server that we want to check

$WarningPreference = "silentlycontinue"

#Call the function to populate the results

#get-content c:Tempserverlist.txt | % {Get-DBSizes $_  } 

Get-DBSizes $Servername

#Output the results

$dataTable | Out-GridView