![]() ![]() On Windows 2000 and Windows Server 2003, the result of this collaboration is Windows Disk Management and the Logical Disk Manager (LDM) program, which provides logical volume management for Windows. Together, VERITAS and Microsoft developed a disk- and volume-management framework for the Windows platform. VERITAS Software is the leading provider of enterprise storage management software for Windows, and its products support highperformance, highly available storage configurations for most enterprise computing platforms today. In building its Windows operating system (Windows 2000/Windows Server 2003), Microsoft selected VERITAS Software to develop storage management software, including the Disk Management system. Storage management adds considerably to the ongoing total cost of ownership of systems. ![]() Even in the Windows environment, which emphasizes ease of use, disk storage tasks can be time-consuming. As the amount of storage being managed grows, these tasks become more complex. Many storageconfiguration tasks require taking the system offline and restarting the server, which interrupts system and data availability. Windows administrators track storage, add new storage, and do their best to monitor and correct performance problems as necessary. Most storage administration tasks are labor- and expertise-intensive. Users expect databases, mission-critical applications and other resources to be available 24 hours a day, seven days a week and expect fast access to data on demand. 1 WHITE PAPER VERITAS Volume Management Technologies for Windows V E R I T A S W H I T E P A P E R The Next Generation of Disk Management for Windows Platforms Windows 2000 and Windows ServerĢ TABLE OF CONTENTS TABLE OF CONTENTS.2 Introduction.3 Logical Volume Management on the Windows Platform.3 Windows Dynamic Volumes.4 Simple.4 Spanned.4 Mirrored.4 Striped.5 RAID 5 (Striping with Distributed Parity).5 Online Management of Logical Volumes.5 Software RAID and Hardware RAID.6 RAID Levels.7 RAID Levels.7 Controller-Based or Hardware RAID.7 Software RAID.8 Combining Hardware and Software RAID.8 The VERITAS Volume Management Family for Windows.8 Logical Disk Manager on Windows.9 VERITAS Volume Management.9 Upgrades and Compatibility.11 Summaryģ INTRODUCTION One constant in today s dynamic computing environment is the continual need for more storage.
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