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Showing posts from June, 2014

What's the difference between full, differential and incremental backups

Full Backup (or Reference Backup) When you set the Backup Type setting to Full, all the files and folders on the drive are backed up every time you use that file set. To set the backup type, click Options on the Settings menu, and then click the Backup tab.  Example: In Backup, click the drives, files, or folders to back up, and then click Next Step. Click the destination (where you want the files backed up to). On the Settings menu, click Options, click the Backup tab, click "Full: backup of all selected files," and then click OK. On the File menu, click Save As and name your backup set. Once saved, click Start Backup. Provide a name for the selected drive, files, or folders in the Backup Set Label dialog box, and then click OK. Advantages: All files from the selected drives and folders are backed up to one backup set. In the event you need to restore files, they are easily restored from the single backup set. Disadvantages: A full backup is more time co...

Understanding FSMO Roles in Active Directory

Windows 2000/2003 Multi-Master Model A multi-master enabled database, such as the Active Directory, provides the flexibility of allowing changes to occur at any DC in the enterprise, but it also introduces the possibility of conflicts that can potentially lead to problems once the data is replicated to the rest of the enterprise. One way Windows 2000/2003 deals with conflicting updates is by having a conflict resolution algorithm handle discrepancies in values by resolving to the DC to which changes were written last (that is, "the last writer wins"), while discarding the changes in all other DCs. Although this resolution method may be acceptable in some cases, there are times when conflicts are just too difficult to resolve using the "last writer wins" approach. In such cases, it is best to prevent the conflict from occurring rather than to try to resolve it after the fact. For certain types of changes, Windows 2000/2003 incorporates methods to prevent con...