[Bug 1028677] Re: mdadm should be used for fakeraid (instead of dmraid)

[Andreas Allacher]

Well, I think it would be nice to replace dmraid sometime in the future
with mdadm, however, first mdadm would need to support most devices from
dmraid like e.g. also the Promise Fasttrak Metadata (after all those are
used for AMD RAID controller)

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Title:
  mdadm should be used for fakeraid (instead of dmraid)

Status in “debian-installer” package in Ubuntu:
  Invalid
Status in “mdadm” package in Ubuntu:
  Invalid
Status in “partman-md” package in Ubuntu:
  Confirmed
Status in “ubiquity” package in Ubuntu:
  Invalid

Bug description:
  mdadm now support external metadata and can hadle fakeraid better than dmraid:
  https://raid.wiki.kernel.org/index.php/RAID_setup#External_Metadata
  http://download.intel.com/design/intarch/PAPERS/326024.pdf

  It seems that dmraid is no more developed (only maintenance), so
  ubuntu should use mdadm instead of dmraid for fakeraid.

  Actually, it's not possible to setup a new ubuntu install with mdadm
  fakeraid (tried 12.04 and 12.10 alpha 2 alternate cd): only dmraid is
  offered.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: mdadm (not installed)
  ProcVersionSignature: Ubuntu 3.0.0-23.39-generic 3.0.36
  Uname: Linux 3.0.0-23-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  Date: Wed Jul 25 00:45:56 2012
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111011)
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: mdadm
  UpgradeStatus: Upgraded to oneiric on 2012-07-07 (17 days ago)

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