3
512e and 4Kn Disk Formats
Contents
1
Overview ......................................................................................................................................................................................... 4
2
Background ..................................................................................................................................................................................... 5
The long-term benefit of 4K sectors ........................................................................................................................................ 6
4
Understanding the impacts of the 4K transition..................................................................................................................... 6
4.1
512-byte sector emulation ............................................................................................................................................... 6
4.2
Small or runt writes ............................................................................................................................................................ 8
4.3
Mixing drives ........................................................................................................................................................................ 9
5
Preparing for and managing the 4K transition ........................................................................................................................ 9
5.1
Managing 4K sectors in the Windows environment ................................................................................................... 9
5.2
Enterprise Windows support for 4K sector media ...................................................................................................... 9
5.3
Managing 4K sectors in the Linux environment ........................................................................................................ 10
5.4
VMware support ............................................................................................................................................................... 10
5.5
Dealing with unaligned conditions ................................................................................................................................ 11
5.6
512e/4Kn application support ........................................................................................................................................ 11
6
Drive labels ..................................................................................................................................................................................... 11
7
Conclusion ..................................................................................................................................................................................... 12
8
Additional resources .................................................................................................................................................................... 12
