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The Logical Disk Manager (LDM) is a hard disk partitioning system for Windows, developed by Microsoft and Veritas Software. It was introduced with the Windows 2000 operating system, and is also supported in Windows XP, Windows Server 2003 and Windows Vista.

IDs for partitions used by the LDM
ID (GUID Partition Table and MBR Partition Table) Description
GPT: 5808C8AA-7E8F-42E0-85D2-E1E90434CFB3 MBR: None "metadata" partition. The area of the disc that is used for holding configuration data that describe the volumes that LDM manages.
GPT: AF9B60A0-1431-4F62-BC68-3311714A69AD MBR: 0x42 "data" partition. The area of the disc that is used for holding LDM volumes themselves.

Overview


Basic storage involves dividing a disk into primary and extended partitions. This is the way that all versions of Windows that were reliant on DOS handled storage, and disks formatted in this manner are known as basic disks. Dynamic storage involves the use of a single partition that covers the entire disk, and the disk itself is divided into volumes or combined with other disks to form volumes that are greater in size than one disk itself. Volumes can use any supported file system.

Basic disks can be upgraded to dynamic disks, however when this is done the disk cannot easily be downgraded to a basic disk again. To perform a downgrade, data on the dynamic disk must first be backed up onto some other storage device. Second, the dynamic disk must be re-formatted as a basic disk (erasing all data). Finally, data from the backup must be copied back over to the newly re-formatted basic disk.

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@Shadez if its not detected. how come it says access denied? Is there a drive letter conflict? It does not show up in Disk Management ?
aristarkhos (Ashutosh D) Tue, 15 Dec 2009 12:02:18 -0000
@Shadez if its not detected. how come it says access denied? Is there a drive letter conflict? It does not show up in Disk Management ?
@3bdullah have u tried disk management? what about the registry? Do u know if this drive is mounted to what? it is really strange !!
htwaijry (Hotham Altwaijry) Tue, 15 Dec 2009 11:07:07 -0000
@3bdullah have u tried disk management? what about the registry? Do u know if this drive is mounted to what? it is really strange !!
http://is.gd/5o7ft HS WinPerfect: All-in-one disk cleaner,memory,tweaking,processes and security management tool Just updated, Get it now!
hotlib (hotlib.com) Tue, 15 Dec 2009 06:25:30 -0000
http://is.gd/5o7ft HS WinPerfect: All-in-one disk cleaner,memory,tweaking,processes and security management tool Just updated, Get it now!
@thewisecrab Tried only disk management in windows. Should i try Gparted or Easeus?
akshayms (Akshay MS) Mon, 14 Dec 2009 12:37:12 -0000
@thewisecrab Tried only disk management in windows. Should i try Gparted or Easeus?
@akshayms you partitioning through Gparted or "disk management" in win? 'coz you could go for Easeus Part Manager and it'll do the job
thewisecrab (K Kumar) Mon, 14 Dec 2009 12:34:25 -0000
@akshayms you partitioning through Gparted or "disk management" in win? 'coz you could go for Easeus Part Manager and it'll do the job
@Paul_Bone @ttyv0 sometimes I am that Linux guy. You'd be surprised how often its a good idea with the right management. Disk not cheap.
jaymzjulian (Jaymz Julian) Mon, 14 Dec 2009 08:58:25 -0000
@Paul_Bone @ttyv0 sometimes I am that Linux guy. You'd be surprised how often its a good idea with the right management. Disk not cheap.

 
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