 | | | MBR | MBR 2005-05-18 - By Cecilio Mar?n
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I have bad experiences with grub-install.
Booting from rescue mode, mounting / as (per example) /mnt/sys
# chroot /mnt/sys
# grub
and on grub shell:
grub> find /boot/grub/stage1
(hd0,1)
grub>root (hd0,1)
Filesystem type is reiserfs, partition type 0x83
grub>kernel /boot/vmlinuz
[Linux-bzImage, setup=0x1400, size=0x1078c4]
grub>setup(hd0)
.....
Done.
Also, after chrooting /mnt/sys, you can probe with grub-install.
Good luck!
Magee, Fred (MRC) escribi??:
>A co-worker swapped SCSI RAID controllers on our system running RHEL 3.0
>and lost the partition table of our boot disk. He was able to recover
>it (apparently) using gpart but the system will not boot. I can boot
>into rescue mode using a cd and mount all partitions and they all appear
>to be ok. Fsck marks them all as ok. I have run grub to be sure /boot
>was ok and grub-install /dev/sda to rebuild the MBR but we still get:
>
> No Operating System found
>
>when we try to boot the system. Isn't grub-install supposed to rebuild
>the MBR? Do I need (dare) to run fdisk /mbr?
>
>Any ideas will be gratefully appreciated.
>
>Fred
>
>
>
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