[Bug 14677] Re: Installer doesn't allow for use of LVM on SW RAID devices

[Thomas Hotz]

Closing because of no response.

** Changed in: grub-installer (Ubuntu)
       Status: Incomplete => Invalid

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Title:
  Installer doesn't allow for use of LVM on SW RAID devices

Status in “grub-installer” package in Ubuntu:
  Invalid

Bug description:
  Installer does not appear to create device.map properly for boot
  loader when using an LVM on top of a software RAID.

  Situation:
    Installed Ubuntu 8.10 (using both Desktop alt installer and server installer)
    3 80 GB drives, /boot on /dev/sda1
                             /md0 on sda2,sdb2,sdd2 RAID 5
                             LVM on md0 broken into 2 volumes, 3 GB SWAP and remaining in root
    completed install and rebooted, received GRUB error 15 (file not found).
    

  Worked around by following steps:
     Loaded rescue installer and executed shell in the LVM volume for root
     mounted /boot
     ran: /usr/sbin/grub-install /dev/sda --recheck --no-floppy
     which showed a device.map involving only physical disks, no RAID and no LVM.
     Added /dev/<LVMGROUP>/<LVMVOLUME> where root was installed, reran grub-install, rebooted and it was fixed.

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