 | | | Grub-install procedure with RH4? (problem with /dev/root.old) | Grub-install procedure with RH4? (problem with /dev/root.old) 2005-07-21 - By Shane Presley
Back
Hello,
Our recovery procedures for RHEL v3 were pretty simple. We do nightly
backups, and if/when we have to restore, we would restore to a
secondary disk, then install grub. Here are my notes for v3...
boot to CD
linux rescue
if automount fails...
mount partitions read/write
#mount -o rw /dev/sda2 /mnt/sysimage
#mount -o rw /dev/sda1 /mnt/sysimage/boot
install master boot record
#chroot /mnt/sysimage
#grub-install /dev/sda
#exit (get out of chrooted env.)
#exit (reboot)
The problem is that with RHEL4, the automount is failing, so we have
to manually mount the partitions. When we do that, we have a problem
with /dev.
The chroot'd /dev (which was previously /mnt/sysimage/dev) does not
contain the block file sda. So grub-install /dev/sda complains that
/dev/sda does not exist.
When I look at what an automount does, it somehow mounts /dev/root.old
as /mnt/sysimage/dev.
Is there a way to manually do that, or am I missing something?
Thanks
Shane
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