Dell 745N Personal Computer User Manual


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Disk and Volume Management
Dell™PowerVault™745NNASSystemsAdministrator'sGuide
Drive Configurations
Using Array Manager to Manage Disk Arrays
Disk Management
Managing Volumes Using Disk Management
Enabling and Disabling Hard Disk Write Cache on Software RAID NAS Systems.
This section provides information about how to manage your physical hard drives, arrays, and volumes.
Managing Your Disks and Volumes
Managingthedisksandvolumesdependsonthestorageconfigurationofyoursystem.YouuseeitherDellOpenManage™ArrayManagerortheMicrosoft®
Windows®Disk Management tool to manage disks and volumes.
Software-RAID Configuration
To manage both disks and volumes, use the Windows Disk Management tool. See "Disk Management."
Hardware-RAID Configuration
To manage the hardware-RAIDdisks,useDellOpenManage™ArrayManager.See"Using Array Manager to Manage Disk Arrays." To manage the hardware-
RAID volumes, use the Windows Disk Management tool. See "Disk Management."
External Storage Configuration
To manage the internal software-RAID disks and volumes, use the Windows Disk Management tool. See "Disk Management." For the external storage hard
drives,usetheDellOpenManage™ArrayManagertomanagethedisksandtheWindowsDiskManagementtooltomanagevolumes.See"Using Array
Manager to Manage Disk Arrays" and "Managing Volumes Using Disk Management."
Drive Configurations
The following subsections describe the three NAS system configurations:
l Software RAID — If your NAS system uses software RAID, see "Software-RAID NAS System Drive Configuration."
l Hardware RAID — If your NAS system uses hardware RAID, see "Hardware-RAID NAS System Drive Configuration."
l External Storage RAID — If your NAS system uses external storage RAID, see "External Storage NAS System Drive Configuration."
Software-RAID NAS System Drive Configuration
The NAS system in a software RAID configuration contains four SATA hard drives. Each drive contains both a copy of the operating system and one or more
data partitions. See Table3-1 and Figure3-1. Working copies of the Microsoft Windows Storage Server 2003 operating system and boot sectors are installed
on two hard drives that are in a RAID 1 mirrored configuration. An additional copy of the operating system is placed on the other two drives in RAID 1
NOTE: For instructions on how to determine if you have a software-RAID or a hardware-RAID NAS system, see "Determining a NAS System's
Configuration" in "NAS Manager."
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