XOR commands

Gene Milligan Gene_Milligan at notes.seagate.com
Fri May 3 04:58:36 PDT 1996

* From the SCSI Reflector, posted by:
* Gene Milligan <Gene_Milligan at notes.seagate.com>
>Specifically, if there were a bit to indicate during
>an XDWRITE command that the subsequent XPWRITE data sent to the
>parity drive is written to disk or NOT, this would not limit RAID5
>stripe writes to the write performance of the parity drive.

 Could you be even more specific? Does the bit force caching? Does the bit 
override caching control? Is the bit another caching advisory bit? Am I 
completely on the wrong track?


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