Command set proposal for Hybrid disc
Henry Gabryjelski
henrygab at windows.microsoft.com
Tue Aug 9 09:50:21 PDT 2005
* From the T10 Reflector (t10 at t10.org), posted by:
* "Henry Gabryjelski" <henrygab at windows.microsoft.com>
*
Khoda-san,
Thank you for asking the question. It would seem logical to store this
information in the same layer as it would be used. So, for a DVD-ROM/BD
disc, storage in the BD layer would seem appropriate. However,
Microsoft does not have a strong opinion where to store the LOW
information, as it does not affect the host, so any location is OK with
us.
I will be attending the August Mt. Fuji meeting in Japan, and look
forward to much discussion about each proposal.
.
-----Original Message-----
From: owner-mtfuji5 at avc-pioneer.com
[mailto:owner-mtfuji5 at avc-pioneer.com] On Behalf Of
takeshi_kohda at post.pioneer.co.jp
Sent: Monday, August 08, 2005 8:50 PM
To: mtfuji5 at avc-pioneer.com
Cc: T10
Subject: RE: Command set proposal for Hybrid disc
Hello Henry,
I have a simple question regarding your proposal.
In case of LOW method, where do you assume to store the LOW redirect
information?
Kind regards,
---
Takeshi Kohda
2005/08/09 08:02, "Henry Gabryjelski" <henrygab at windows.microsoft.com>
wrote:
>
> Hello Mt. Fuji and MMC people,
>
> Microsoft would like to propose an alternate method for hybrid discs,
> such as Twin Format.
>
> The basic idea of this proposal is to allow access to all layers on
such
> a disc in one contiguous LBA space. The use of either generated
> "multisession" information or the use of Logical Overwrite (LOW, aka
> POW) enable the OS to locate the most applicable file system to be
used.
> Both (all) layers are active, and the addressable space on the media
> does not change for a given physical piece of media.
>
> Microsoft will explain this proposal in more detail at the next Mt.
Fuji
> meeting on August 23rd.
>
> Thank you,
*
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