HP ProBook 4331s Preparing Advanced Format hard drives for Microsoft Windows i
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- HP ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - 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 - HP ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - Page 2
white paper provides instructions for preparing an Advanced Format hard drive for a Microsoft® Windows® installation on an HP Business Notebook or media, making the drive easier to manufacture and able to support higher capacities. First-generation Advanced Format drives retain backwards- - HP ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - Page 3
OSs are Advanced Format-aware. B This scenario is not supported by HP. C For WinPE installations prior to 3.0, install Windows Automated For AMD platforms, upgrade to the latest version of the AMD SATA AHCI Driver. Note: When a Linux image is being installed, an Advanced Format drive - HP ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - Page 4
for RAID, running the Paragon Partition Alignment Tool on these drives aligns partitions at 2,048 sectors. Since a starting offset of 2,048 supports most stripe-unit sizes, performance would be enhanced3 due to the elimination of redundant disk operations. Running the Paragon Partition Alignment - HP ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - Page 5
you must enable 48-bit logical block addressing (LBA) support in the system registry in order to make all of following registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Atapi\Parameters 3. From the Edit apply the appropriate hotfix to your HP Business Notebook and Desktop PCs, as - HP ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - Page 6
Using WMIC 1. After the operating system has been installed, run wmic from the Windows command line. 2. At the resulting prompt, type partition list full to display information about system partitions. 3. Identify the offset value of each partition and divide by 4096. If the value is divisible, the - HP ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - 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 ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - Page 8
for the IT professional. Perform the following steps apply the hotfix: 1. Download the Windows PE hotfix to your c: drive from the Microsoft Support site at http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=982018&kbln=en-us. 2. Unzip the download file by double-clicking on it. 3. The Windows6 - HP ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - Page 9
longer; thus, if you fail to align one of these write-optimized drives, there is a greater risk of data 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 - HP ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - Page 10
Where can I build an Advanced Format drive-aware image? As long as it is validated, you can create a custom image on either a conventional 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 an - HP ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - Page 11
small sector size constrains storage capacity and has also caused manufacturing capabilities to reach a limit. Under the sponsorship and support of the International Disk Drive Equipment and Materials Association (IDEMA), manufacturers of industry-standard HDDs are transitioning from 512-byte - HP ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - Page 12
In both scenarios, the drive reads the data from the media, modifies the old data with the new data and then rewrites the modified data to the media. Depending on the rotational speed of the drive, this could add 16 - 22 milliseconds to a write. Read performance is not impacted; the drive reads the - HP ProBook 4331s | Preparing Advanced Format hard drives for Microsoft Windows i - 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?
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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