HP Special Edition L2005CO Preparing Advanced Format hard drives for Microsoft
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- HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 1
Preparing Advanced Format hard drives for Microsoft Windows installations on HP Business Notebook PCs and Desktop PCs Technical white paper Table of contents Executive summary...2 What does the Advanced Format drive mean to you 2 Important tips...4 Validating partition alignment ...5 Using DISKEXT - HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 2
for both SMB/enterprise users and consumers, this white paper provides instructions for preparing an Advanced Format hard drive for a Microsoft® Windows® installation on an HP Business Notebook or Desktop PC. Historically, hard disk drives (HDDs) have used 512-byte sectors; however, this sector size - HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 3
A Table 2. Actions to be taken to optimize system performance, with links to the appropriate downloads provided Scenario Actions A Your Advanced Format drive is aligned. To optimize performance with Windows 7 or WinPE, apply Microsoft Knowledge Base article 982018. Note: If you are upgrading - HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 4
Base article 982018. Important tips Installing Windows Vista (prior to SP1), Windows XP or Windows 2000 If you are planning to install Windows Vista (prior to SP1), Windows XP or Windows 2000 on an Advanced Format drive Paragon Partition Alignment Tool ensures support for the stripe-unit sizes - HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 5
48-bit logical block addressing (LBA) support in the system registry in order to make all of your storage available. Perform the following steps: 1. Start the registry editor (regedt32.exe). 2. Browse to and select the following registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services - HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 6
, the partition is aligned. Using DISKPART 1. Boot the system via bootable Windows PE 3.0 RAM media. 2. Execute the DISKPART utility to display information about specific system partitions. For example, use the following script is to display information about Disk 0, Partition 1 (as shown in Figure - HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 7
Sample validation The example shown in Table 3 shows the sizes and offsets associated with four partitions. All eight values must be divisible by 4,096. Table 3. Validating the alignment of four sample partitions Partition 0 Partition size 208,666,624 B Starting offset 1,048,576 B 208,666,624 ÷ - HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 8
, using the ImageX command-line tool to apply a Windows image (.wim file) to an Advanced Format drive would take significantly longer than applying the same image to a traditional hard drive. This issue has been addressed in Microsoft Knowledge Base article 982018. The typical user should apply the - HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 9
loss. Why did HP choose to support emulation rather than drives with 4-KB native sector format? While this was considered, the existing system infrastructure has been designed around a logical 512-byte sector - notably the hard disk boot device. The resources needed to update the environment would - HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 10
drive or an Advanced Format drive. Is there any value to using the Paragon Partition Alignment Tool with a solid state drive (SSD)? Many modern SSDs feature operations, thus enhancing drive performance and potentially extending the life of the drive. I have an image created for a drive with 512-byte - HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 11
and support of the International Disk Drive Equipment systems such as Windows XP. This can be fixed by either reinstalling the operating system with newer install tools that are 4-KB sector-aware or using a utility that properly aligns the partitions and data on the drive. The data on a 512e drive - HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 12
. Read performance is not impacted; the drive reads the whole 4 KB of data into drive memory and only sends out the data sector(s) needed. Why alignment helps Alignment issues with older operating systems are based on the starting point of partitions. In Windows XP, for example, the partition boot - HP Special Edition L2005CO | Preparing Advanced Format hard drives for Microsoft - Page 13
technet.microsoft.com/enus/sysinternals/bb896648.aspx Getting Started Guide for Windows Deployment http://technet.microsoft.com/en- Services us/library/cc771670(WS.10).aspx Partition alignment for SUSE Linux http://www.novell.com/support/viewContent.do?exte rnalId=7007193&sliceId=1 Intel RST
Preparing Advanced Format hard drives
for Microsoft Windows installations on HP
Business Notebook PCs and Desktop PCs
Technical white paper
Table of contents
Executive summary
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2
What does the Advanced Format drive mean to you?
..............................................................................
2
Important tips
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4
Validating partition alignment
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5
Using DISKEXT
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5
Using WMIC
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6
Using DISKPART
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6
Sample validation
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7
Enhancing the performance of small writes
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8
Frequently asked questions
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9
Appendix A: Technical background
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11
Partition alignment
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11
Why alignment helps
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12
For more information
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13