tailieunhanh - Storage Management

This chapter introduces Windows 2000 storage. A new addition to the operating system is a dynamic storage management environment that essentially provides “free” fault-tolerance (RAID-1 and RAID-5), enforceable disk quotas, and an MMC plug-in that replaces the clunky disk management environment of Windows NT . | Storage Management This chapter introduces Windows 2000 storage. A new addition to the operating system is a dynamic storage management environment that essentially provides free fault-tolerance RAID-1 and RAID-5 enforceable disk quotas and an MMC plug-in that replaces the clunky disk management environment of Windows NT . Windows 2000 Storage If there are three things that every IT or network administrator can be sure of happening regarding storage they are the following 4- No matter how much hard disk storage you plan for or think you need you will always need more. 4 A hard disk will crash or falter within the lifetime of its host computer system. 4 A hard disk will crash at the worst possible time usually for you . Applications and servers crash and users get peeved when you run out of storage or you lose storage. When you lose storage that was keeping critical data data keeping the company alive your world turns inside out. Data loss costs us billions every year. There are many examples where losing data destroyed a business and where a good set of backups saved a business from certain disaster. There are four actions you need to take to counter or survive the fallout from the three certainties 4 You need to evaluate your storage needs. 4 You need to develop policies for sound storage use. 4-4-4-4- In This Chapter Overview of Windows 2000 Storage Storage Management Disk Management Dynamic Volumes and Fault-Tolerance The Storage Quota System Troubleshooting 4- 4- 4- 4- 606 Part V 4 Availability Management 4- You need to develop and follow a storage implementation plan. 4 You need to implement a disaster recovery and backup restore plan. The file system storage management and fault-tolerant capabilities of Windows NT were short on features and manageability and did not support the percent availability initiative see Chapter 1 . Administrators frequently turned to third-party products to keep their data safe. Microsoft has responded to your needs finally