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Published
20 Aug 2014Form Number
REDP5119PDF size
13 pages, 244 KBSubscribed to REDP5119.
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Abstract
Historically, a hard disk drive (HDD) media was physically formatted by using a sector size of 512 bytes. However, the need for higher-capacity storage and better data integrity has led to changes in how the data is structured and stored on the disk platter. These changes have resulted in the creation and adoption of the Advanced Format standard for HDDs, which introduced the sector size of 4 KB, by the industry.
However, many currently deployed systems and applications still assume 512-byte sector operations and might even optimize their storage I/O activity to align with the 512-byte sector boundaries.
This paper introduces the Advanced Format, describes its characteristics, and discusses implementation considerations for different IT environments to address potential compatibility and performance issues.
This paper is intended for IT professionals who want to learn more about the Advanced Format and plan to use the Advanced Format HDDs in their IT environments.
Table of Contents
HDD industry transition
Introduction to the Advanced Format
Advanced Format hard disk drive types
Disk controller considerations
Operating systems and applications considerations
Conclusion
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