[Bug 1568097] Re: Error messages about mdadm --incremental failing

[jhansonxi]

Same for me on Xenial with mdadm 3.3 (amd64).

Bug #1582191 may be related.

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Title:
  Error messages about mdadm --incremental failing

Status in mdadm package in Ubuntu:
  Fix Released

Bug description:
  Hi,

  this system has a mdadm RAID volume:

  $  cat /proc/mdstat 
  Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] 
  md1 : active raid5 sde1[3] sdf1[5] sdd1[2] sdc1[1] sdb1[0]
        15627542528 blocks super 1.2 level 5, 512k chunk, algorithm 2 [5/5] [UUUUU]
        bitmap: 0/30 pages [0KB], 65536KB chunk

  It is working well, but when the system boots, I see several error
  messages in journalctl:

  $ journalctl |grep mdadm
  Apr 08 20:23:50 xeelee systemd-udevd[473]: Process '/sbin/mdadm --incremental /dev/sde1 --offroot' failed with exit code 1.
  Apr 08 20:23:50 xeelee systemd-udevd[477]: Process '/sbin/mdadm --incremental /dev/sdf1 --offroot' failed with exit code 1.
  Apr 08 20:23:50 xeelee systemd-udevd[483]: Process '/sbin/mdadm --incremental /dev/sdb1 --offroot' failed with exit code 1.
  Apr 08 20:23:50 xeelee systemd-udevd[472]: Process '/sbin/mdadm --incremental /dev/sdc1 --offroot' failed with exit code 1.
  Apr 08 20:23:50 xeelee systemd-udevd[476]: Process '/sbin/mdadm --incremental /dev/sdd1 --offroot' failed with exit code 1.
  Apr 08 20:24:42 xeelee mdadm[845]:  * Starting MD monitoring service mdadm --monitor
  Apr 08 20:24:42 xeelee mdadm[845]:    ...done.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: udev 229-4ubuntu1
  Uname: Linux 4.5.0-040500-lowlatency x86_64
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  CurrentDesktop: KDE
  CustomUdevRuleFiles: 60-ssd-scheduler.rules
  Date: Fri Apr  8 20:51:27 2016
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.5.0-040500-lowlatency root=UUID=347d095b-3b19-412b-841e-acfd162e2c53 ro quiet splash nomdmonddf nomdmonisw vt.handoff=7
  SourcePackage: systemd
  UpgradeStatus: Upgraded to xenial on 2016-03-31 (8 days ago)
  dmi.bios.date: 03/25/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P1.50
  dmi.board.name: HM77-HT
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.50:bd03/25/2013:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnHM77-HT:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.

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