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How to use FileSystem object in vbscript to check C$ share on a server is accesible to verify server is alive...

Posted on 2007-11-19
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Last Modified: 2010-08-05
Hi,

In question 22970139 an expert helped me develop the simple vbscript shown below that basically pings each server listed in an external text file, then returns a result for each server, formats all the results into a single string and then passes the string as the subject of a command line emailer (BMail). The script works a treat, but it was mentioned that I could also build in a FileSystem check to check the availability of the C$ share on each server being tested, as extra proof the server is alive.

So how in VBScript would I go about checking whether the C share on a remote server is 'accessible'?
SET objFSO = CreateObject("Scripting.FileSystemObject")

SET objInputfile = objFSO.OpenTextFile("serverhealthcheckserverlist.txt")

Set objShell = WScript.CreateObject( "WScript.Shell" )

resultsStr = ""

 

DO WHILE NOT objInputfile.AtEndOfStream

strComputer = objInputfile.readline
 

SET objExec = objShell.Exec("ping -n 2 -w 1000 " & strComputer)

strPingResults = LCase(objExec.StdOut.ReadAll)

IF InStr(strPingResults, "ttl") THEN

	resultsStr = resultsStr & strComputer & "_OK__"

ELSE

	resultsStr = resultsStr & strComputer & "_FAIL__"

END IF

LOOP
 

objShell.Run("bmail -s grj-exch01 -t ITalert@greatrail.com -f alert@greatrail.com -h -a ServerHealth -b " & resultsStr)

'msgbox(resultsStr)
 

Set objShell = Nothing

Set resultsStr = Nothing

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Question by:grjitdept
5 Comments
 
LVL 9

Accepted Solution

by:
asawatzki earned 500 total points
Comment Utility
Try This:




SET objFSO = CreateObject("Scripting.FileSystemObject")

SET objInputfile = objFSO.OpenTextFile("serverhealthcheckserverlist.txt")

Set objShell = WScript.CreateObject( "WScript.Shell" )

resultsStr = ""

 

DO WHILE NOT objInputfile.AtEndOfStream

strComputer = objInputfile.readline

 

SET objExec = objShell.Exec("ping -n 2 -w 1000 " & strComputer)

strPingResults = LCase(objExec.StdOut.ReadAll)

IF InStr(strPingResults, "ttl") THEN

  On Error Resume Next

   err.number = 0

   set null = objFSO.GetFolder("\\" & strComputer & "\c$")

   set null = nothing

   If err.number = 0 then

	resultsStr = resultsStr & strComputer & "_OK__"

   Else

         resultsStr = resultsStr & strComputer & "_FAIL_Drive_Ping_OK_"

   End If

   err.number = 0

   on error goto 0

ELSE

	resultsStr = resultsStr & strComputer & "_FAIL__"

END IF

LOOP

 

objShell.Run("bmail -s grj-exch01 -t ITalert@greatrail.com -f alert@greatrail.com -h -a ServerHealth -b " & resultsStr)

'msgbox(resultsStr)

 

Set objShell = Nothing

Set resultsStr = Nothing

 

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Author Comment

by:grjitdept
Comment Utility
Hi,

Thanks for this - looks good - when I run it for active servers though it always returns afail. It seems to me that you check for the value of err.number on line 16, and it's value is previously set on Line 13, but I don't see how this value would ever change. Doesn't Line 14 want to change the value of err.number?
0
 
LVL 1

Author Comment

by:grjitdept
Comment Utility
OK ignore that last comment - a little more testing revealed I needed a '\' after the c$ as it's checking for a folder - without the \ it returns an error number of 51, hence it isn't 0 and fails the test... I now understand how the error.number works as well.

Thanks for your help!
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Expert Comment

by:mzatorski
Comment Utility
Has anyone else gotten this to work?  I tried to get it to run but like grjitdept stated, it always fails.  I tried adding the \c$\  to the script but it still comes up as fail.  
0
 
LVL 70

Expert Comment

by:Chris Dent
Comment Utility

Following this from another post.

Null is a reserved word, it returns "illegal assignment" when used in the context above. Change the "null" variable name to something else and it should spring to life.

Chris
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