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mdadm

mdadm is the open-source utility for creating and managing Linux software RAID devices built on the kernel's Multiple Devices (MD) driver. It is free software released under the GNU General Public License version 2, with source files offering version 2 or later.

Licensing at a Glance

  • Open source

  1. mdadm is released under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.[1]

  2. mdadm source files state that the program may be redistributed or modified under the GNU GPL version 2 or (at the user's option) any later version.[2]

  3. Development takes place in the md-raid-utilities GitHub repository; mdadm was originally hosted on kernel.org, where the old repository remains available.[3]

  4. The Intel Matrix Storage Manager (IMSM) metadata support is maintained by Graid Technology Inc. as part of the VROC solution.[4]

Products

References

  1. GitHub - md-raid-utilities/mdadm: Manager of Linux Software RAID implemented through Multiple Devices driver. · GitHub · github.com · retrieved 2026-09-27
  2. mdadm/mdadm.c at main · md-raid-utilities/mdadm · GitHub · github.com · retrieved 2026-09-27
  3. GitHub - md-raid-utilities/mdadm: Manager of Linux Software RAID implemented through Multiple Devices driver. · GitHub · github.com · retrieved 2026-09-27
  4. GitHub - md-raid-utilities/mdadm: Manager of Linux Software RAID implemented through Multiple Devices driver. · GitHub · github.com · retrieved 2026-09-27
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