Differences between WRPROTECT and VRPROTECT

Gary.Franco at Emulex.Com Gary.Franco at Emulex.Com
Mon Nov 20 12:11:23 PST 2006

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Is it the specification or my lack of understanding - here is the issue:
Isn't a VERIFY for all intents and purposes the same as a WRITE command
as the DATA is sent to the device for verification.
In a WRITE command if the WRPROTECT bits are 000 (no protection data
available) the target device create its own protection information and
writes it to the disk.
This same operation is not called out for the VERIFY, therefore wouldn't
all the checks fail by default?
Gary Franco Consultant Engineer 
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