[Bug 550131] Re: maps file not getting copied from initramfs to real rootfs (loosing state, race, misconfig)

[Steve Langasek]

** Changed in: mdadm (Ubuntu Lucid)
       Status: New => In Progress

** Changed in: mdadm (Ubuntu Maverick)
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/550131

Title:
  maps file not getting copied from initramfs to real rootfs (loosing
  state, race, misconfig)

Status in “mdadm” package in Ubuntu:
  In Progress
Status in “mdadm” source package in Lucid:
  In Progress
Status in “mdadm” source package in Maverick:
  In Progress

Bug description:
  Binary package hint: mdadm

  "mdadm --incremental" will save state in a map file under
  /var/run/mdadm/map.

  But in initramfs and early boot this directory does not exist.

  The state is then saved in /var/run/mdadm.map.new (man page
  incorrectly says /var/run/mdadm.map) and carried into the main system
  later on. This means hotplug devices showing up later can not be
  matched by --incremental correctly. (with a strange device busy
  failure)

  This can be fixed as explained by Jools in the comments, and as he did
  in his package.