70-640_Lesson11_PPT_041009

70-640_Lesson11_PPT_041009 - Active Directory Maintenance,...

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Unformatted text preview: Active Directory Maintenance, Active Directory Maintenance, Troubleshooting, and Troubleshooting, and Disaster Recovery Disaster Recovery Lesson 11 Skills Matrix Skills Matrix Technology Skill Objective Domain Objective # Backing Up Active Directory Configure backup and recovery 5.1 Maintaining Active Directory Perform offline maintenance 5.2 Using the Reliability and Performance Monitor Monitor Active Directory 5.3 Maintaining Active Directory Maintaining Active Directory • After successfully implementing a Microsoft Windows Server 2008 environment, it is important to develop maintenance procedures to keep it running smoothly. • A solid monitoring and maintenance plan can prevent potential problems. Maintaining Active Directory Maintaining Active Directory • Active Directory is a database based on the Extensible Storage Engine (ESE) format. – Responsible for managing changes to the Active Directory database. – Changes are referred to as transactions . – Active Directory writes the transaction to the Transaction log file ( edb.log). – Active Directory updates the edb.chk checkpoint file ( A reference for database information written to disk). Fragmentation Fragmentation • Like any database, modifications and changes to the Active Directory database can affect database performance and data integrity. • As modifications are made to the database, fragmentation can occur. • Fragmentation refers to the condition of a disk when data from the database is divided into pieces scattered across the disk. • As the database becomes more fragmented, searches for database information slow down and performance deteriorates. – The potential exists for database corruption. Defragmentation Defragmentation • Defragmentation is the process of taking fragmented database pieces and rearranging them contiguously to make the entire database more efficient. • Depending on the method used, the size of the database can be reduced, making room for additional objects. • Active Directory has two defragmentation methods: – online defragmentation. – offline defragmentation. Online Defragmentation Online Defragmentation • Online defragmentation is an automatic process that occurs during the garbage collection process. – The garbage collection process runs by default every 12 hours on all domain controllers in the forest. – When the garbage collection process begins, it removes all tombstones from the database. Online Defragmentation Online Defragmentation • A tombstone is what is left of an object that has been deleted. – Deleted objects are not completely removed from...
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This note was uploaded on 12/17/2010 for the course TECHNOLOGY MNE 210 taught by Professor Na during the Spring '10 term at Sullivan.

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70-640_Lesson11_PPT_041009 - Active Directory Maintenance,...

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