[Bug 817507] Re: Grub-install fails on the RAID0 array

[Загорія Сергій]

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to ubiquity in Ubuntu.
https://bugs.launchpad.net/bugs/817507

Title:
  Grub-install fails on the RAID0 array

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  So I installed mdadm, created RAID0 array from two SSDs on the Asus EEE PC 901 and tried to install the system on it.
  All went fine except installing grub. grub-install command does not support two disks as the arguments, but Ubiquity run
  # grub-install /dev/sda /dev/sdb

  Here are the commands which fixed the situation after booting second
  time from USB:

  # apt-get install mdadm --no-install-recommends
  ( or 
  $ sudo dpkg -i /media/TMP/mdadm_3.1.4-1+8efb9d1ubuntu5_i386.deb
   in my case )
  # mdadm --assemble --scan
  # mdadm --assemble --run /dev/md/raidtest
  (raidtest is the array name)

  # mount /dev/md127p1 /mnt
  # mount -t proc none /mnt/proc
  # mount --bind /dev /mnt/dev
  # mount --bind /sys /mnt/sys
  ( maybe # cp /media/TMP/mdadm_3.1.4-1+8efb9d1ubuntu5_i386.deb /mnt/ )
  # chroot /mnt

  # apt-get install mdadm --no-install-recommends
  ( or # dpkg -i mdadm_3.1.4-1+8efb9d1ubuntu5_i386.deb )

  # grub-install /dev/sda
  # grub-install /dev/sdb
  NOT grub-install /dev/sda /dev/sdb
  # update-grub2
  and, maybe
  # update-initramfs

  And here is the fdisk -l output:

  Disk /dev/sda: 4034 MB, 4034838528 bytes
  255 heads, 63 sectors/track, 490 cylinders, total 7880544 sectors
  Units = sectors of 1 * 512 = 512 bytes
  Sector size (logical/physical): 512 bytes / 512 bytes
  I/O size (minimum/optimal): 512 bytes / 512 bytes
  Disk identifier: 0x000b4ba7

     Device Boot      Start         End      Blocks   Id  System
  /dev/sda1              63     7871849     3935893+  fd  Linux raid autodetect

  Disk /dev/sdb: 16.1 GB, 16139354112 bytes
  255 heads, 63 sectors/track, 1962 cylinders, total 31522176 sectors
  Units = sectors of 1 * 512 = 512 bytes
  Sector size (logical/physical): 512 bytes / 512 bytes
  I/O size (minimum/optimal): 512 bytes / 512 bytes
  Disk identifier: 0x000bd439

     Device Boot      Start         End      Blocks   Id  System
  /dev/sdb1              63     7887914     3943926   fd  Linux raid autodetect
  /dev/sdb2         7887915    31519529    11815807+  83  Linux

  Disk /dev/md127: 8066 MB, 8066170880 bytes
  152 heads, 3 sectors/track, 34548 cylinders, total 15754240 sectors
  Units = sectors of 1 * 512 = 512 bytes
  Sector size (logical/physical): 512 bytes / 512 bytes
  I/O size (minimum/optimal): 524288 bytes / 1048576 bytes
  Disk identifier: 0x00065bcb

        Device Boot      Start         End      Blocks   Id  System
  /dev/md127p1            2048    15753215     7875584   83  Linux

  
  P.S. /home is on the /dev/sdb2

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: ubiquity 2.7.14
  ProcVersionSignature: Ubuntu 3.0.0-7.8-generic 3.0.0
  Uname: Linux 3.0.0-7-generic i686
  Architecture: i386
  Date: Thu Jul 28 15:34:19 2011
  ProcEnviron:
   LANG=uk_UA.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: Upgraded to oneiric on 2011-07-28 (0 days ago)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/817507/+subscriptions