Bedienungsanleitung Acronis Backup Advanced Version 11.5 Update 6 (Seite 158 von 449) (Englisch)

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 The system uses Linux Loader (LILO) and was recovered from a normal (not from a raw, that is,

sector-by-sector) backup

LILO contains numerous references to absolute sector numbers and so cannot be repaired

automatically except for the case when all data is recovered to the sectors that have the

same absolute numbers as on the source disk.

Solution: Reactivate the boot loader. You might also need to fix the loader configuration file

for the reason described in the previous item.

 The system loader points to the wrong volume

This may happen when system or boot volumes are not recovered to their original location.

Solution: Modification of the boot.ini or the boot\bcd files fixes this for Windows loaders.

Acronis Backup does this automatically and so you are not likely to experience the problem.

For the GRUB and LILO loaders, you will need to correct the GRUB configuration files. If the

number of the Linux root partition has changed, it is also recommended that you change

/etc/fstab so that the SWAP volume can be accessed correctly.

 Linux was recovered from an LVM volume backup to a basic MBR disk

Such system cannot boot because its kernel tries to mount the root file system at the LVM

volume.

Solution: Change the loader configuration and /etc/fstab so that the LVM is not used and

reactivate the boot loader.

5.5.1 How to reactivate GRUB and change its configuration

Generally, you should refer to the boot loader manual pages for the appropriate procedure. There is

also the corresponding Knowledge Base article on the Acronis website.

The following is an example of how to reactivate GRUB in case the system disk (volume) is recovered

to identical hardware.

1. Start Linux or boot from the bootable media, and then press CTRL+ALT+F2.

2. Mount the system you are recovering:

mkdir /mnt/system/

mount -t ext3 /dev/sda2 /mnt/system/ # root partition

mount -t ext3 /dev/sda1 /mnt/system/boot/ # boot partition

3. Mount the proc and dev file systems to the system you are recovering:

mount -t proc none /mnt/system/proc/

mount -o bind /dev/ /mnt/system/dev/

4. Save a copy of the GRUB menu file, by running one of the following commands:

cp /mnt/system/boot/grub/menu.lst /mnt/system/boot/grub/menu.lst.backup

cp /mnt/system/boot/grub/grub.conf /mnt/system/boot/grub/grub.conf.backup

5. Edit the /mnt/system/boot/grub/menu.lst file (for Debian, Ubuntu, and SUSE Linux

distributions) or the /mnt/system/boot/grub/grub.conf file (for Fedora and Red Hat Enterprise

Linux distributions)—for example, as follows:

vi /mnt/system/boot/grub/menu.lst

6. In the menu.lst file (respectively grub.conf), find the menu item that corresponds to the system

you are recovering. This menu items have the following form:

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