4K Sector Server and client Disk Fall 2016 follow-up

by butsch 13. September 2016 19:15

This table compares native 512-byte sectors to the new advanced formats:

Format

Logical Sector Size

Physical Sector Size

512n

512

512

512e

512

4,096

4Kn

4,096

4,096

    

Does current GA version of vSphere and VSAN support 4K Native drives?

No. 4K Native drives are not supported in current GA releases of vSphere and VSAN.

Does current GA version of vSphere and VSAN support 512e drives?
No. 512e drives are not supported with the current versions of vSphere and VSAN due to potential performance issues when using these drives.

 

Fujitsu:

https://www.fujitsu.com/global/Images/150807_DXS3seriesWP_E_online_05.pdf

Dell:

http://i.dell.com/sites/doccontent/shared-content/data-sheets/en/Documents/512e_4Kn_Disk_Formats_120413.pdf

Larger German ISP/Assembler of Servers:

https://www.thomas-krenn.com/de/wiki/Sektorgr%C3%B6%C3%9Fen_von_Datentr%C3%A4gern

VMware:

https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2091600

https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1008885

 

Heise on Client Disk and Alignment

http://www.heise.de/ct/hotline/FAQ-Festplatten-mit-4K-Sektoren-1378642.html

For the Terminal Bastlers ;-)

http://www.brianmadden.com/opinion/Advanced-Format-4k-disk-drives-and-performance-How-will-this-impact-your-virtual-disks

 

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