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should perform a restore test from a random copy of your 1 backup media to make sure it actually works Too many organizations have been caught empty-handed when they tried to restore critical files from backup tapes that were 1 never tested only to find out that they didn t work To test the restore procedure: 1 Select a backup media at random and insert it into a server drive 2 Use the Global MMC Console to open a Remote Desktop Connection to the server you want to verify Launch NTBackup (Quick Launch Area | Backup) Make sure it launches in Advanced mode 3 In the Backup Welcome screen, click Restore Wizard This launches the Restore Wizard Click Next 4 Select the backup to restore from or click Browse to locate it 5 Expand the backup listing to identify a random file to restore Click Next 6 Click the Advanced button to restore the file to a new, test location 7 Click Finish to begin the restore Verify the integrity of the files you restore Destroy the files when done

3 2

When working with SharePoint, you most often have several environments, such as development, test, staging, and production, to secure and validate your implementation. You start with building and configuring your Web Parts in the development environment before it moves to the test environment and so on. If you have a Web Part with a lot of configuration options and would like to move it into another environment, you might find it hard to reconfigure the Web Part in the new site. Managing the Web Part configurations is especially important in application life cycle management scenarios when you re scripting your environments and configurations. In this section, you ll learn how to export and import a configured Web Part and how to prohibit users from exporting a Web Part. You ll find this information valuable

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Summary

3 3

This chapter explored both generic .NET and SharePoint-specific error handling. SharePoint is built on Microsoft .NET and ASP.NET, and you can use the same techniques for handling errors and troubleshooting them. SharePoint contains a set of out-of-the-box tools like the logging features and the Developer Dashboard tool that will prove valuable when you re troubleshooting Web Parts. Many tools are available, including Visual Studio. We discussed a few of my favorites that I use both when developing Web Parts and when the Web Parts are running in a production environment. Hopefully this chapter will help you avoid some troubleshooting, but eventually we all end up with a Web Part that doesn t act as intended.

Activity Frequency:

Programming for performance Using performance optimizations Querying SharePoint efficiently Understanding asynchronous Web Parts Using caching techniques

Performance is crucial! When you re using SharePoint s cool functionality to develop Web Parts, user controls, or other SharePoint artifacts, you ll likely build applications that consume server, client, and bandwidth resources. While in development mode, your Web Parts will run fine, but once they re in production, with more data and more users, your applications can degrade in performance. Personally, I m a performance fanatic and like to achieve even the smallest optimization. You can choose among several methods for improving performance. SharePoint is quite fragile and can be a performance killer if it s not programmed and handled correctly. You must know how to handle the SharePoint objects and know

3 4

Once a month you should also take the time to review your backup strategy Has the volume of backups changed Is there new information to include into your backups Is your backup schedule appropriate These and other questions should help you form a checklist that you can use to review your backup strategy Document any changes you make

how to query correctly to get good performance. Several techniques can be used to improve the performance of the server-side executed code. Caching is the next step to take once you ve optimized your code. Caching allows the server to temporarily store already calculated or executed operations, thereby delivering them much faster to the client. SharePoint offers a number of configuration options to help you enhance performance.

Activity Frequency:

When thinking about performance, most developers consider how to optimize loops or reduce the number of local variables. Although such actions can improve performance, if the compiler doesn t already make those improvements, you need to look at the bigger picture. People have different opinions as to what performance is. Here are a few of the common aspects: