Disk Space Alerts

/* Disk Space Alerts */
CREATE proc [dbo].[USP_Send_DiskSpace]
--
(
@To varchar(200) ,
@CRITICAL int = 10 -- if the freespace(%) is less than @alertvalue, it will send message
)
as
Begin
DECLARE @HOSTNAME VARCHAR(20),
@HEAD VARCHAR(100),
@BGCOLOR VARCHAR(50),
@REC VARCHAR(50),
@PRIORITY VARCHAR(10),
@FREE VARCHAR(20),
@TOTAL VARCHAR(20),
@FREE_PER VARCHAR(20),
@CHART VARCHAR(2000),
@HTML VARCHAR(MAX),
@HTMLTEMP VARCHAR(MAX),
@TITLE VARCHAR(100),
@DRIVE VARCHAR(100),
@SQL VARCHAR(MAX)

CREATE TABLE #MOUNTVOL (COL1 VARCHAR(500))

INSERT INTO #MOUNTVOL
EXEC XP_CMDSHELL 'MOUNTVOL'

DELETE #MOUNTVOL WHERE COL1 NOT LIKE '%:%'
DELETE #MOUNTVOL WHERE COL1 LIKE '%VOLUME%'
DELETE #MOUNTVOL WHERE COL1 IS NULL
DELETE #MOUNTVOL WHERE COL1 NOT LIKE '%:%'
DELETE #MOUNTVOL WHERE COL1 LIKE '%MOUNTVOL%'
DELETE #MOUNTVOL WHERE COL1 LIKE '%RECYCLE%'

SELECT LTRIM(RTRIM(COL1)) FROM #MOUNTVOL

CREATE TABLE #DRIVES
(
DRIVE VARCHAR(500),
INFO VARCHAR(80)
)

DECLARE CUR CURSOR FOR SELECT LTRIM(RTRIM(COL1)) FROM #MOUNTVOL
OPEN CUR
FETCH NEXT FROM CUR INTO @DRIVE
WHILE @@FETCH_STATUS=0
BEGIN
SET @SQL = 'EXEC XP_CMDSHELL ''FSUTIL VOLUME DISKFREE ' + @DRIVE +''''

INSERT #DRIVES
(
INFO
)
EXEC (@SQL)

UPDATE #DRIVES
SET DRIVE = @DRIVE
WHERE DRIVE IS NULL

FETCH NEXT FROM CUR INTO @DRIVE
END
CLOSE CUR
DEALLOCATE CUR

-- SHOW THE EXPECTED OUTPUT
SELECT DRIVE,
SUM(CASE WHEN INFO LIKE 'TOTAL # OF BYTES : %' THEN CAST(REPLACE(SUBSTRING(INFO, 32, 48), CHAR(13), '') AS BIGINT) ELSE CAST(0 AS BIGINT) END) AS TOTALSIZE,
SUM(CASE WHEN INFO LIKE 'TOTAL # OF FREE BYTES : %' THEN CAST(REPLACE(SUBSTRING(INFO, 32, 48), CHAR(13), '') AS BIGINT) ELSE CAST(0 AS BIGINT) END) AS FREESPACE
INTO #DISKSPACE FROM (
SELECT DRIVE,
INFO
FROM #DRIVES
WHERE INFO LIKE 'TOTAL # OF %'
) AS D
GROUP BY DRIVE
ORDER BY DRIVE

SET @TITLE = 'DISK SPACE REPROT : '+ @@SERVERNAME

SET @HTML = '<HTML><TITLE>'+@TITLE+'</TITLE>
<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=2>
<TR BGCOLOR=#0070C0 ALIGN=CENTER STYLE=''FONT-SIZE:8.0PT;FONT-FAMILY:"TAHOMA","SANS-SERIF";COLOR:WHITE''>
<TD WIDTH=40>DRIVE</TD>
<TD WIDTH=250>TOTAL</TD>
<TD WIDTH=150>FREE SPACE</TD>
<TD WIDTH=150>FREE PRECENTAGE</TD>
</TR>'

DECLARE RECORDS CURSOR
FOR SELECT CAST(DRIVE AS VARCHAR(100)) AS 'DRIVE', CAST(FREESPACE/1024/1024 AS VARCHAR(10)) AS 'FREE',CAST(TOTALSIZE/1024/1024 AS VARCHAR(10)) AS 'TOTAL',
CONVERT(VARCHAR(2000),'<TABLE BORDER=0 ><TR><TD BORDER=0 BGCOLOR='+ CASE WHEN ((FREESPACE/1024/1024)/((TOTALSIZE/1024/1024)*1.0))*100.0 < @CRITICAL
THEN 'RED'
WHEN ((FREESPACE/1024/1024)/((TOTALSIZE/1024/1024)*1.0))*100.0 > 70
THEN '66CC00'
ELSE
'0033FF'
END +'><IMG SRC=''/GIFS/S.GIF'' WIDTH='+CAST(CAST(((FREESPACE/1024/1024)/((TOTALSIZE/1024/1024)*1.0))*100.0*2 AS INT) AS CHAR(10) )+' HEIGHT=5></TD>
<TD>'+CAST(CAST(((FREESPACE/1024/1024)/((TOTALSIZE/1024/1024)*1.0))*100.0 AS INT) AS CHAR(10) )+'%</TD></TR></TABLE>') AS 'CHART'
FROM #DISKSPACE ORDER BY ((FREESPACE/1024/1024)/((TOTALSIZE/1024/1024)*1.0))*100.0

OPEN RECORDS

FETCH NEXT FROM RECORDS INTO @DRIVE , @FREE, @TOTAL, @CHART

WHILE @@FETCH_STATUS = 0

BEGIN

SET @HTMLTEMP =
'<TR BORDER=0 BGCOLOR="#E8E8E8" STYLE=''FONT-SIZE:8.0PT;FONT-FAMILY:"TAHOMA","SANS-SERIF";COLOR:#0F243E''>
<TD ALIGN = CENTER>'+@DRIVE+'</TD>
<TD ALIGN=CENTER>'+@TOTAL+'</TD>
<TD ALIGN=CENTER>'+@FREE+'</TD>
<TD VALIGN=MIDDLE>'+@CHART+'</TD>
</TR>'

SET @HTML = @HTML + @HTMLTEMP

FETCH NEXT FROM RECORDS INTO @DRIVE , @FREE, @TOTAL, @CHART

END
CLOSE RECORDS
DEALLOCATE RECORDS

SET @HTML = @HTML + '</TABLE> 
THANKS,
DBA TEAM
</HTML>'

--PRINT
PRINT @HTML

--save data
if(object_id('DBA.dbo.diskdrive_stats') is null)
Begin
create table DBA.dbo.diskdrive_stats (
Drive varchar(100) ,
FreeSpace float null,
TotalSize float null,
Free_per float,
date_time datetime)

insert into DBA.dbo.diskdrive_stats (Drive,Freespace,TotalSize,Free_Per,date_time)
select Drive,convert(float,freespace),convert(float,totalsize),
convert(float,((FREESPACE/1024/1024)/((TOTALSIZE/1024/1024)*1.0))*100.0),getdate() from #DISKSPACE

--insert into DBA.dbo.diskdrive_stats (Drive,Freespace,TotalSize,Free_Per,date_time)
--select *,((FREESPACE/1024/1024)/((TOTALSIZE/1024/1024)*1.0))*100.0,getdate() from #DISKSPACE
End
Else
Begin
insert into DBA.dbo.diskdrive_stats (Drive,Freespace,TotalSize,Free_Per,date_time)
select Drive,convert(float,freespace),convert(float,totalsize),
convert(float,((FREESPACE/1024/1024)/((TOTALSIZE/1024/1024)*1.0))*100.0),getdate() from #DISKSPACE
End

--############################Send Mail#############################

set @head = '<RED> Disk Space report from SQL Server : '+@@servername

--SELECT * FROM #DISKSPACE

IF EXISTS(SELECT * FROM #DISKSPACE WHERE CAST((FREESPACE/(TOTALSIZE*1.0))*100.0 AS INT) <= @CRITICAL)
BEGIN
SET @PRIORITY = 'HIGH'

print @head
exec msdb.dbo.sp_send_dbmail
@profile_name = 'SQLProfile',
@recipients = @To,
@subject = @head,
@importance = @Priority,
@body = @HTML,
@body_format = 'HTML'

END
ELSE
BEGIN
print''
END

DROP TABLE #MOUNTVOL
DROP TABLE #DRIVES
DROP TABLE #DISKSPACE

END

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