Re: Pen Drive Initialization

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From: Maxim S. Shatskih (maxim_at_storagecraft.com)
Date: 12/23/04

  • Next message: Mark Roddy: "Re: How to get filename from an I/O request?" 
    Date: Thu, 23 Dec 2004 21:38:43 +0300

        It must have the valid filesystem metadata with 100% of data space marked
    as free. 

    -- 
Maxim Shatskih, Windows DDK MVP
StorageCraft Corporation
maxim@storagecraft.com
http://www.storagecraft.com
"Sara Fonseca" <sara.fonseca@gmail.com> wrote in message
news:OkEwtWD6EHA.2568@TK2MSFTNGP11.phx.gbl...
> ok... but what should an empty media return to scsci read commands, so that
> the filesystem, reading that data, understands that the media is empty? A
> lot os zeros?
>
> thanks
>
>
> "Maxim S. Shatskih" <maxim@storagecraft.com> wrote in message
> news:%239ZRqy65EHA.2016@TK2MSFTNGP15.phx.gbl...
> >    SCSI knows nothing on empty/non-empty issues on disks. This is a
> > filesystem
> > issue.
> >    SCSI just represents the device as the array of blocks, each of some
> > size,
> > each with some data.
> >    The interpretation of the data is the issue of upper-level modules like
> > FSDs.
> >
> > -- 
> > Maxim Shatskih, Windows DDK MVP
> > StorageCraft Corporation
> > maxim@storagecraft.com
> > http://www.storagecraft.com
> >
> > "Sara Fonseca" <sara.fonseca@gmail.com> wrote in message
> > news:uKWy%23r55EHA.1564@TK2MSFTNGP09.phx.gbl...
> >> Hi,
> >>
> >> the first time you plug a pen drive, it doenst have any information,
> >> so what happens? How does the pen drive tells the scsi that it
> >> is empty? ( maybe answering the read command with a sense data  BLANK
> >> CHECK(error 08)?)
> >> When I do that, windows keeps repeating the reading commands, and there
> >> is
> >> no space for a format command from the user.
> >>
> >>
> >
> >
>
>
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