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Dell Latitude Ultrabook, E-Family & Mobile Precision Reimage "How-To" Guide

3.3 Other Partition Alignment Requirements

Environment

IRRT / RAID 0,1 & 5 Configuration

Data Protection / Encryption



(1) Please refer to the Partition Alignment Tools - Section 3.4

3.4 Partition Alignment Options

Partition alignment is required for older operating systems and is recommended for new operating

systems in order to insure proper hard drive performance and imaging between drives of differing

sector sizes. An aligned partition is when the starting offset of the partition is divisible by 4096 Bytes

or by 8 for logical block addressing (LBA) numbers.

3.4.1 Pre-Installation of Operating System

This section lists a few options for partition alignment pre-installation of OS:

Using Ghost:

Ghost 11.5 will maintain the alignment state of the Gold/Master image. If the disk image is

built and aligned on a 512e/Advanced Format drive, the clones of that image will remain

aligned. If the image is built on a 512B, Ghost command line switch {-align=1MB} can be

used to ensure alignment when deployed to any drive.

Using DISKPART:

DISKPART may be used to enable storage configuration or create a partition at an explicit

disk offset from a script, a remote session, or another command prompt.

Dell recommends using WinPE's (3.0 or greater) Diskpart.exe from Windows Vista or

Windows 7 to create the partitions for Windows XP installation. This will create a partition

that is Advanced Format aligned. Without PE, starting with Windows Vista or Windows 7 DVD

to create the partition for the Windows XP will create correct partitioning. On how to use

Action

Use Alignment Tools

to ensure Advanced Format drive

(1)

partitions are properly aligned

Use Alignment Tools

to ensure Advanced Format drive

(1)

partitions are properly aligned before encrypting the drive.

Note: Misaligned encrypted Advanced Format drives need

to be decrypted, then aligned and re-encrypted