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Logical disk manager (ldm)

The Windows Logical Disk Manager, is commonly abbreviated to LDM.

On-disk structures

According to TECHNET:

The location of the database is determined by the partition style of the disk.

  • On MBR disks, the database is contained in the last 1 megabyte (MB) of the disk.
  • On GPT disks, the database is contained in a 1-MB reserved (hidden) partition known as the Logical Disk Manager (LDM) Metadata partition.

Types of dynamic volumes

  • Simple volume
  • Spanned volume
  • Striped volume
  • Mirrored volume (Server editions of Windows 2000, Windows 2003)
  • RAID-5 volume (Server editions of Windows 2003)

Also see