TAILIEUCHUNG - MCSE Windows server 2003- P10

MCSE Windows server 2003- P10: Windows Server 2003 is, of course, more secure, more reliable, more available, and easier to administer than any previous version of Windows. Let’s take a close look at the platform and how it compares to Microsoft Windows 2000. This lesson provides a brief overview of the Windows Server 2003 family, focusing on the differences among the product editions: Web Edition, Standard Edition, Enterprise Edition, and Datacenter Edition. | Lesson 4 Implementing RAID 11-35 Up to 32 disks can participate in a striped volume. The amount of space used on each disk in the volume will be equal to the smallest amount of space on any one disk. For example if Disk 1 has 200 GB of unallocated space and Disk 2 has 120 GB of space the striped volume can contain at most 240 GB as the size of the stripe on Disk 1 can be no greater than the size of the stripe on Disk 2. All disk space in the volume is used for data there is no space used for fault tolerance. Recovering a Striped Volume Because data is striped over more than one physical disk performance is enhanced but fault tolerance is decreased there is more risk because if any one drive in the volume fails all data on the volume is lost. It is important to have a backup of striped data. If one or more disks in a striped volume fails you must delete the volume replace the failed disk s and recreate the volume. Then you must restore data from the backup. Exam Tip Striped volumes provide maximum storage and performance but support no fault tolerance. The only recovery potion is that of your regular backup routine. Mirrored Volumes A mirrored volume provides good performance along with excellent fault tolerance. Two disks participate in a mirrored volume and all data is written to both volumes. As with all RAID configurations use separate controllers by adding a controller you create a configuration called duplexing for maximum performance. Mirrored volumes relate to RAID-1 hardware configurations. Create Mirrored Volumes To create a mirrored volume you must have unallocated space on two dynamic disks. Right-click one of the spaces and choose Create Volume. The New Volume Wizard will step you through the process of selecting a mirrored volume and choosing space on another disk to include in the volume. Mirrored volumes can be assigned a drive letter and folder paths. Both copies of the mirror share the same assignment. You can also mirror an existing simple volume

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