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authorAnton Altaparmakov <aia21@cantab.net>2007-05-21 09:37:42 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-21 09:58:40 -0700
commitdde33348e53ecab687a9768bf5262f0b8f79b7f2 (patch)
tree6bfb828e56147b7c327a1304c27e93fc92f6c060 /Documentation/ldm.txt
parent17304383ebc1ce68a88030ac4d18ea549d9578c7 (diff)
downloadop-kernel-dev-dde33348e53ecab687a9768bf5262f0b8f79b7f2.zip
op-kernel-dev-dde33348e53ecab687a9768bf5262f0b8f79b7f2.tar.gz
LDM: Fix for Windows Vista dynamic disks
This fixes the LDM driver so that it works with Windows Vista dynamic disks which are subtly different to Windows 2000/XP ones. The patch was needed to get a Vista formatted dynamic disk to be recognized and parsed successfully. Thanks go to Chris Teachworth for the report and testing. Cc: Richard Russon <ldm@flatcap.org> Signed-off-by: Anton Altaparmakov <aia21@cantab.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/ldm.txt')
-rw-r--r--Documentation/ldm.txt21
1 files changed, 14 insertions, 7 deletions
diff --git a/Documentation/ldm.txt b/Documentation/ldm.txt
index e266e11..718085b 100644
--- a/Documentation/ldm.txt
+++ b/Documentation/ldm.txt
@@ -2,10 +2,13 @@
LDM - Logical Disk Manager (Dynamic Disks)
------------------------------------------
+Originally Written by FlatCap - Richard Russon <ldm@flatcap.org>.
+Last Updated by Anton Altaparmakov on 30 March 2007 for Windows Vista.
+
Overview
--------
-Windows 2000 and XP use a new partitioning scheme. It is a complete
+Windows 2000, XP, and Vista use a new partitioning scheme. It is a complete
replacement for the MSDOS style partitions. It stores its information in a
1MiB journalled database at the end of the physical disk. The size of
partitions is limited only by disk space. The maximum number of partitions is
@@ -23,7 +26,11 @@ Once the LDM driver has divided up the disk, you can use the MD driver to
assemble any multi-partition volumes, e.g. Stripes, RAID5.
To prevent legacy applications from repartitioning the disk, the LDM creates a
-dummy MSDOS partition containing one disk-sized partition.
+dummy MSDOS partition containing one disk-sized partition. This is what is
+supported with the Linux LDM driver.
+
+A newer approach that has been implemented with Vista is to put LDM on top of a
+GPT label disk. This is not supported by the Linux LDM driver yet.
Example
@@ -88,13 +95,13 @@ and cannot boot from a Dynamic Disk.
More Documentation
------------------
-There is an Overview of the LDM online together with complete Technical
-Documentation. It can also be downloaded in html.
+There is an Overview of the LDM together with complete Technical Documentation.
+It is available for download.
- http://linux-ntfs.sourceforge.net/ldm/index.html
- http://linux-ntfs.sourceforge.net/downloads.html
+ http://www.linux-ntfs.org/content/view/19/37/
-If you have any LDM questions that aren't answered on the website, email me.
+If you have any LDM questions that aren't answered in the documentation, email
+me.
Cheers,
FlatCap - Richard Russon
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