[CentOS] Re: Reinstalled Windows and GRUB - Cannot boot Linux - fstab and grub.conf errors?
Lanny Marcus
lmmailinglists at gmail.com
Sat Nov 8 21:08:15 UTC 2008
There is a Permissions problem, when I try to access
/boot/grub/grub.conf and /etc/fstab so I can edit them. How can I do
that, using the Live CD's I have? I need root access.
On 11/8/08, Lanny Marcus <lmmailinglists at gmail.com> wrote:
> Background: This is a dual boot (Windows XP and CentOS 5.2 (32 bit)
> box. There were four (4) NTFS partitions. The C partition got full. I
> deleted the 4 NTFS partitions and did a clean install of Windows XP,
> into one (1) NTFS partition.
> I knew that I would need to install GRUB again and I did that, using
> the CentOS 5 Installation DVD. When I tried to boot into Linux, no
> joy. this is the GRUB error I got:
>
> Booting 'CentOS (2.6.18-92.1.17.el5)'
> root (hd0,2)
> Filesystem type unknown, partition type 0x8e
> Kernel /vmlinuz-2.6.18-92.1.17.el5 ro root=/dev/VolGroup00/LogVol00 rhgb
> quiet
>
> Error 17: Cannot mount selected partition
> Press any key to continue
>
> (same error, trying to boot the 2 older Linux Kernels)
>
> The CentOS 5 Installation DVD apparently is now damaged (Murphy's
> Law). I have available to me:
> (a) CentOS 5.2 i386 Live CD (I am running on that, as I write this email)
> (b) Knoppix Live Disk, V.5.1.1
> (c) SystemRescueCD V.0.2.15
>
> The partitions on my hard drive, as shown by QTParted on the Knoppix
> Live CD are now:
>
> 01 /dev/hda1 ntfs Active
> 02 /dev/hda2 ext3 (/boot)
> 03 /dev/hda3 unknown (CentOS LVM)
>
>
> My belief is that /hda3 is not mounted. If I click on the "Local Hard
> Drives" Icon under "disc" it only shows hda2 (the Linux /boot
> partition). How and where do I fix that?
>
>
> When I view /etc/fstab as centos user with the CentOS 5.2 Live CD, I
> see that the line I had to mount the NTFS data partition (E: when I
> had 4 NTFS partitions) showed it as /dev/hda6
> Now, the only NTFS partition, C, is /dev/hda1. Viewing it as
> centos user, in gedit, it is read only. When I try to view it as root,
> it shows me a /etc/fstab file that apparently is created by
> the LiveCD and doesn't show the Windows partition. How do I edit the
> /etc/fstab file so I can change it from /hda6 to /hda1? Here's the
> file contents:
>
> /dev/VolGroup00/LogVol00 / ext3 defaults 1 1
> LABEL=/boot /boot ext3 defaults 1 2
> devpts /dev/pts devpts gid=5,mode=620 0 0
> tmpfs /dev/shm tmpfs defaults 0 0
> proc /proc proc defaults 0 0
> sysfs /sys sysfs defaults 0 0
> /dev/VolGroup00/LogVol01 swap swap defaults 0 0
> /dev/hda6 /mnt/win ntfs-3g rw,umask=0000,defaults 0 0
>
> TIA! Lanny
>
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