Apple-as-shipped issues Scsi op x04 Format? Eh?
Cool.
Anybody know in what forms? i.e. what does the whole
Cdb look like. And what data goes out with it?
Curiously yours,
Pat LaVarre email@hidden
http://members.aol.com/plscsi/
>>> Barry Twycross 03/18/02 03:10PM >>>
At 3:03 PM -0600 3/18/02, Marc Jordan wrote:
> When using the SCSI Format Unit command
> (op code 0x04) how does the host deal
> with the fact a LUN may have multiple
> partitions? This command is targeted
> to a LUN, not a partition, and will
> obviously destroy all partition data
That's exactly what it does. It leaves you with
completely blank media.
> requiring further "formatting" by
> writing a master boot record, boot sector, FATs,
> etc., using SCSI Write commands.
That's "Initialisation" in Mac terms.
> Under what conditions does the host generate
> this command?
Usually only in response to a Format request from the
user using disk formatting software (Disk Utility in
X, Drive Setup in 9 or a third party utility like
HDT).
--
Barry Twycross
email@hidden
...
Yahoo! Sports - live college hoops coverage
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