This table compares native 512-byte sectors to the new advanced formats:
Format
Logical Sector Size
Physical Sector Size
512n
512
512e
4,096
4Kn
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
Tags:
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