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MS SQL Permission on IIS 6

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MS SQL Permission on IIS 6

 
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  #1
Sep 11th, 2009
Hello everyone,

i wrote an application that makes database backups and zips them.

Can anyone please tell me what i need to do in order to get the apllication to work on IIS 6 windows server 2003 SQL 05

1. The application works fine on machines for both XP and VISTA.
2. The application runs fine on Win Server 2003 however :

my problem is : obviously the database is in use by the web site.

How can i give my application permission to make the backup while the website is connected to the database ?

regards,
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Re: MS SQL Permission on IIS 6

 
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  #2
Sep 11th, 2009
You need to issue a backup command to the SQL Server and then archive the .bak file. You never want to access the .mdf and .ldf files directly.

Use this query:
BACKUP DATABASE [DBName] TO  DISK = 'C:\Program Files\Microsoft SQL Server\MSSQL\BackUpManual\DBName.bak' WITH  INIT ,  NOUNLOAD ,  NAME = N'DBName backup',  NOSKIP ,  STATS = 10,  NOFORMAT

Note: The file path is relative to the machine running the SQL Server, not the client issuing the command
Scott Knake
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Apex Software, Inc.
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Re: MS SQL Permission on IIS 6

 
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  #3
Sep 11th, 2009
Hi my friend , i have that .

SQL Syntax (Toggle Plain Text) 
  1.  /// <summary>
  2.         /// Backups are done here
  3.         /// </summary>
  4.         #region Backup Methods
  5.         #region Full Backup method
  6.         void Fullbackup()
  7.         {
  8.  
  9.             method = "Full";
  10.             // Creating connection
  11.             Username = txtUsername.TEXT;
  12.             Password = txtPassword.TEXT;
  13.             // specifying connection string
  14.             DBhandler.DbWinHandler dbHandler = new DBhandler.DbWinHandler("Data Source=" + txtServerName.TEXT + ";Initial Catalog=master;Persist Security Info=True;User ID=" + Username + ";Password=" + Password);
  15.  
  16.             // Getting the items that has to be backed up
  17.             foreach (string lstItem IN listBoxControl2.Items)
  18.             {
  19.                 dbName = lstItem;
  20.  
  21.                 if (!Directory.EXISTS(textEdit1.TEXT + "/DataSafe Backups/Temp/"))
  22.                 {
  23.                     DirectoryInfo newDir = new DirectoryInfo(textEdit1.TEXT + "/DataSafe Backups/Temp/");
  24.                     newDir.CREATE();
  25.                 }
  26.  
  27.                 lblStatus.TEXT = "Backing up " + dbName;
  28.                 lblStatus.Refresh();
  29.                 dbHandler.SmartGetDataSet("BACKUP DATABASE " + dbName + " TO DISK = '" + textEdit1.TEXT + "/DataSafe Backups/Temp/" + dbName + ".bak' WITH NAME = '" + dbName + ".bak'");
  30.  
  31.                 ZipFile();
  32.             }
  33.         }
  34.         #endregion
  35.  
  36.         #region Differential Backup method
  37.         void Diffbackup()
  38.         {
  39.             method = "Diff";
  40.             // Creating connection
  41.             Username = txtUsername.TEXT;
  42.             Password = txtPassword.TEXT;
  43.             // specifying connection string
  44.             DBhandler.DbWinHandler dbHandler = new DBhandler.DbWinHandler("Data Source=" + txtServerName.TEXT + ";Initial Catalog=master;Persist Security Info=True;User ID=" + Username + ";Password=" + Password);
  45.  
  46.             // Getting the items that has to be backed up
  47.             foreach (string lstItem IN listBoxControl2.Items)
  48.             {
  49.                 dbName = lstItem;
  50.  
  51.                 if (!Directory.EXISTS(textEdit1.TEXT + "/DataSafe Backups/Temp/"))
  52.                 {
  53.                     DirectoryInfo newDir = new DirectoryInfo(textEdit1.TEXT + "/DataSafe Backups/Temp/");
  54.                     newDir.CREATE();
  55.                 }
  56.  
  57.                 lblStatus.TEXT = "Backing up " + dbName;
  58.                 lblStatus.Refresh();
  59.                 dbHandler.SmartGetDataSet("BACKUP DATABASE " + dbName + " TO DISK = '" + textEdit1.TEXT + "/DataSafe Backups/Temp/" + dbName + "_Differential.bak' WITH DIFFERENTIAL, NAME = '" + dbName + ".bak'");
  60.  
  61.                 ZipFile();
  62.             }
  63.         }
  64.         #endregion
  65.  
  66.         #region LOG backup method
  67.         void Logbackup()
  68.         {
  69.             method = "Log";
  70.             // Creating connection
  71.             Username = txtUsername.TEXT;
  72.             Password = txtPassword.TEXT;
  73.             // specifying connection string
  74.             DBhandler.DbWinHandler dbHandler = new DBhandler.DbWinHandler("Data Source=" + txtServerName.TEXT + ";Initial Catalog=master;Persist Security Info=True;User ID=" + Username + ";Password=" + Password);
  75.  
  76.             // Getting the items that has to be backed up
  77.             foreach (string lstItem IN listBoxControl2.Items)
  78.             {
  79.                 dbName = lstItem;
  80.  
  81.                 if (!Directory.EXISTS(textEdit1.TEXT + "/DataSafe Backups/Temp/"))
  82.                 {
  83.                     DirectoryInfo newDir = new DirectoryInfo(textEdit1.TEXT + "/DataSafe Backups/Temp/");
  84.                     newDir.CREATE();
  85.                 }
  86.  
  87.                 lblStatus.TEXT = "Backing up " + dbName;
  88.                 lblStatus.Refresh();
  89.                 dbHandler.ExecuteCommand("BACKUP LOG  " + dbName + " TO DISK = '" + textEdit1.TEXT + "/DataSafe Backups/Temp/" + dbName + "_LOG.bak' WITH NAME = '" + dbName + ".bak'");
  90.  
  91.                 ZipFile();
  92.             }
  93.         }
  94.         #endregion
  95.         #endregion

PS the DBhandler.DbWinHandler is just a class we use to connect to SQL.

should i add any of the following ?

INIT ,
NOUNLOAD
NOSKIP ,
STATS = 10,
NOFORMAT

????
Last edited by cVz; Sep 11th, 2009 at 7:40 am.
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Re: MS SQL Permission on IIS 6

 
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  #4
Sep 11th, 2009
What is the error you receive?
Scott Knake
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Re: MS SQL Permission on IIS 6

 
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  #5
Sep 11th, 2009
well it just bounces ...

No error...

however the backup file is 0 bytes
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Re: MS SQL Permission on IIS 6

 
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  #6
Sep 11th, 2009
Well try a full backup (using the query I posted) instead of a differential backup. This will indicate if backups are working at all.
Scott Knake
Custom Software Development
Apex Software, Inc.
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