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grub-install does not see block device while being in chroot user environment

This document (3141099) is provided subject to the disclaimer at the end of this document.


Novell SUSE Linux Enterprise Server 10
Novell SUSE Linux Enterprise Desktop 10


Running grub-install block device while being chrooted after booting into the rescue mode causes the error:

block device: Not found or not a block device

While in chroot mode issuing lsscsi reports:

error: Unable to open /proc/mounts for reading Unable to locate sysfsroot. If kernel>= 2.6.0 Try something like 'mount -t sysfs none /sys'.


Before changing environment to root the following commands needs to be issued:

mount --bind /proc /CurrentMountPointofRootPartition/proc
mount --bind /dev /CurrentMountPointofRootPartition/dev
mount --bind /sys /CurrentMountPointofRootPartition/sys

After that the command chroot /CurrentMountPointofRootPartition can be issued and the virtual proc, sys and dev filesystems will be available from within the chroot environment so that commands like grub-install can function.


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  • Document ID:3141099
  • Creation Date:14-FEB-07
  • Modified Date:27-APR-12
    • SUSESUSE Linux Enterprise Desktop
      SUSE Linux Enterprise Server

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