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specify thresholds monitoring for MS SQL filegroups

Posted on 2013-06-02
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Last Modified: 2013-06-11
Hello

            I try to specify thresholds monitoring for MS SQL filegroups.
            With the code below, the last specific threshold is applied to a database filegrou is not in the list $ LIST_SPEC_DB

            Monitoring.txt contains the following lines for exclude MS SQL Server filegroups :
            MASTER-PRIMARY:DB:0%:50%
            TEMPDB-PRIMARY:DB:2M:8M


            $_WARN_THRES="30%"
            $_PANIC_THRES="90%"

            $DBSPACE contains all MS SQL Filegroups

		$CHCK_SUP_ENV = (Test-Path $MONITORING -PathType Leaf)

		If (($CHCK_SUP_ENV)) {
		$Global:LIST_SPEC_DB=get-content $MONITORING | where-object {$_ -match(":DB:")}  -ErrorAction silentlycontinue
	
		
		if ($LIST_SPEC_DB -ne $null) {
		foreach ($DBS in $LIST_SPEC_DB) {
		$array_str = $DBS.split(":")
		$SPEC_DBSPACE = $array_str[0]
		$SPEC_WARN_SPRV = $array_str[2]
		$SPEC_PANIC_SPRV  = $array_str[3] 
					
		if ($DBSPACE -eq $SPEC_DBSPACE -and $SPEC_WARN_SPRV -match "%") {
		$_WARN_THRES=$SPEC_WARN_SPRV.replace("%","")
  
  		$_PANIC_THRES=$SPEC_PANIC_SPRV.replace("%","")
		
		$_UNIT="%"
		
		}
	
		elseif ($DBSPACE -eq $SPEC_DBSPACE -and $SPEC_WARN_SPRV -match "M") {
		$_WARN_THRES=$SPEC_WARN_SPRV.replace("M","")
  
  		$_PANIC_THRES=$SPEC_PANIC_SPRV.replace("M","")
		
		$_UNIT="M"
		
	
		
		}
		}
		}
		}
		

		
		elseif ($LIST_SPEC_DBS -eq $null -or $DBSPACE -ne $SPEC_DBSPACE ) {
		
		foreach ($DBS in $DBSPACE) {
		
  		$_WARN_THRES=$SEUIL_WARN_SPRV.replace("%","")
  
  		$_PANIC_THRES=$SEUIL_PANIC_SPRV.replace("%","")
		
		$_UNIT="%"

		}
		}

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           How can I resolve this problem?

            Thanks
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Question by:bibi92
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10 Comments
 
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Expert Comment

by:oleggold
ID: 39214513
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Expert Comment

by:oleggold
ID: 39214516
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Restore full virtual machine or individual guest files from 19 common file systems directly from the backup file. Schedule VM backups with PowerShell scripts. Set desired time, lean back and let the script to notify you via email upon completion.  

 
LVL 21

Expert Comment

by:oleggold
ID: 39214521
#### Check Log and Data Growth for all User Databases. If they are not set up correctly then change them to the correct setting.
$servers = invoke-sqlcmd -serverinstance server -database Database -query “select InstanceName, Port from instance where IsActive = 1¿
$output = @()
foreach($instance in $servers)
{
$name = $instance.instancename
$port = $instance.port
$server = “$name,$port”
#echo “`n###########################

######”
#$server

$s = New-Object (‘Microsoft.SqlServer.Management.Smo.Server’) $server

$databases = $s.databases
#$databases | get-member | where {$_.membertype -eq “Property”}
foreach($database in $databases)
{
$dbsize = $database.size
$name = $database.name
## Check the log File
$logfiles = $database.logfiles
foreach($logfile in $logfiles)
{
$filename = $logfile.filename
$growth = $logfile.growth
$growthtype = $logfile.growthtype
$size = $logfile.size
if(($growthtype -eq “Percent”) -and ($name -ne “Master”) -and ($name -ne “Model”))
{
$logfile.growth = 65536
$logfile.growthtype = “kb”
$logfile.alter()

}
}
## Datafiles
$filegroups = $database.filegroups
foreach($group in $filegroups)
{
$files = $group.files
foreach($file in $files)
{
$filename = $file.filename
$type = $file.growthtype
$growth = $file.growth
$size = $file.size
if(($type -eq “Percent”) -and ($name -ne “Master”) -and ($name -ne “Model”))
{
if($dbsize -lt 10240)
{
$file.growth = 51200
$file.growthtype = “kb”
$file.alter()
}

if(($dbsize -gt 20480) -and ($dbsize -lt 51200))
{
$file.growth = 307200
$file.growthtype = “kb”
$file.alter()
}

if(($dbsize -gt 51200) -and ($dbsize -lt 102400))
{
$file.growth = 512000
$file.growthtype = “kb”
$file.alter()
}

if($dbsize -gt 102400)
{
$file.growth = 1048576
$file.growthtype = “kb”
$file.alter()
}

}
}
}
}
}

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Author Comment

by:bibi92
ID: 39214643
Thanks a lot but I have to keep the orignal code and modified it.
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LVL 40

Expert Comment

by:Subsun
ID: 39221965
Are you still looking for help on this?
If yes..

I can see you are reading the thresholds from a text file.. but I don't see any code which reads the current size of the database or database volume which you need to validate against the threshold.. Please correct me If I am wrong..

Once you get those values then you can use the comparison operators -lt -le or -gt -ge depends on the threshold settings..
http://ss64.com/ps/syntax-compare.html
0
 

Author Comment

by:bibi92
ID: 39223395
Yes, I'm still looking for help. Yes, I'm readind the thresholds from a text file but I search write code which reads the current size of the database or database volume which you need to validate against the threshold.
Thanks
0
 
LVL 40

Accepted Solution

by:
Subsun earned 2000 total points
ID: 39224019
Check this article from Scripting Guy! Blog and see if it helps.. It explains how to obtain SQL Server database sizes using PowerShell..

http://blogs.technet.com/b/heyscriptingguy/archive/2010/11/02/use-powershell-to-obtain-sql-server-database-sizes.aspx
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Author Closing Comment

by:bibi92
ID: 39237256
Thanks
0

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