Comments on: What’s New in vSphere 4.1 – VAAI and Hidden 4th Primative

By: Jose Maria Gonzalez

Jose Maria Gonzalez — Tue, 27 Jul 2010 13:02:09 +0000

Hi Mike and Denis,

Does it means that a SCSI “Primitive” is called by vmkernel to update the Metadata via scsi-reservations?

Thanks,

Jose Maria Gonzalez

By: John

John — Sun, 18 Jul 2010 19:50:53 +0000

For what it’s worth, I liked it better when I didn’t have to register for membership to a site to read your articles. A shame this stuff isn’t posted in its entirety on RTFM.

By: @dguyadeen

@dguyadeen — Sun, 18 Jul 2010 01:10:30 +0000

Disclosure – EMCer here.

Hey Mike,

Primitives are used in SCSI communications…

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A SCSI “Primitive” is used for a variety of signaling and handshaking functions, and perform most of the low-level, time-critical functions.

SCSI Frames perform the high-level functions on a serial bus by carrying commands, data, status, and configuration information.

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Cheers,
Denis Guyadeen