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Bug#709611: installation-guide-amd64: debian 7 grub2 install failure on lvm2 partitioned 2TB disk system

Package: installation-guide-amd64
Version: install debian 7
Severity: important
Tags: d-i

Dear Maintainer,

CPU: intel i7-860.
Memory: 8GB DDR3.
Hard disk: 2000 GB SATA3 Seagate Wester Digital.
Motherboard: Gigabyte GA-P55A-UD3

OS: Debian 7 amd64

Critical error when trying to install GRUB2 on /boot partition on LVM2 system
with large disk.

Steps to recreate:
1. Start install of Debian 7 amd64 from DVD.
2. Partition disk using manual or guided.
3. Create a partition for dev/sda1/boot, bootflag=set, 243 MB, Ext2
4. Create a partition for (encrypted or unencypted) LVM2 on dev/sda2 = 'VOL'
5. Create root, swap, home, var, temp, usr as for example:
        /dev/VOL/ROOT 54 GB LV Ext 4 /
        /dev/VOL/HOME 1.64TB LV Ext4 /home
.... save partitioned disk.
6a. Install boot software GRUB2 manually on dev/sda1/boot partition - gives
Critical install failure and installation fails.
6b. Install boot software GRUB2 on MBR in guided mode apperently succeeds.
7. If 6b then rebooting encrypted system fails at the point where encryption
code should be entered, because keyboard is inactive. Booting also fails after
unencrypted system install.

Work around: Do not install LVM and partition disk without separate partition
for /boot.

Note: Install of Debian 7 (32 bit) using encrypted LVM2 with separate /boot
partition without problem on a system with a ~500GB hard disk.

Many thanks,


-- System Information:
Debian Release: 7.0
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-4-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_IE.UTF-8, LC_CTYPE=en_IE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

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