[NTLUG:Discuss] Grub assistance

Mike LaPlante mike at dividia.net
Tue Jan 22 15:20:48 CST 2008


Okay, I have a Fedora 7 system that has /dev/sda as a windows drive, and 
/dev/sdb as linux. However, I haven't booted the windows drive in over a 
year so I was wanting to pull that drive out of the system.

My concern is that this will piss off grub. I'm thinking before I do 
that I need to change some lines in grub. I'm just not sure which ones I 
need to mess with. Also wonder if I need to mess with fdisk and change 
the boot partition.

Here is my current grub.conf
----------------------------------------
# grub.conf generated by anaconda
#boot=/dev/sda
default=0
timeout=5
splashimage=(hd1,1)/grub/splash.xpm.gz
hiddenmenu
title Fedora (2.6.23.12-52.fc7)
        root (hd1,1)
        kernel /vmlinuz-2.6.23.12-52.fc7 ro root=LABEL=/1 noapic
        initrd /initrd-2.6.23.12-52.fc7.img
title Other
        rootnoverify (hd0,0)
        chainloader +1
---------------------------------------------
And here is the output of fdisk -l
------------------------------------------
Disk /dev/sda: 61.4 GB, 61471162368 bytes
255 heads, 63 sectors/track, 7473 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1        3824    30716248+   7  HPFS/NTFS

Disk /dev/sdb: 120.0 GB, 120000000000 bytes
255 heads, 63 sectors/track, 14589 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *           1        6374    51199123+   7  HPFS/NTFS
/dev/sdb2            6375        6387      104422+  83  Linux
/dev/sdb3            6388        6648     2096482+  82  Linux swap / Solaris
/dev/sdb4            6649       14589    63786082+   5  Extended
/dev/sdb5            6649       14589    63786051   83  Linux


Note it appears I left an NTFS partition on the second drive. I forgot 
all about that until just now. >.<

So do I need to change the commented out boot=/dev/sda in grub? No idea 
why its commented out, I've never touched the file. And I think I would 
need to change the root lines to root (hd0,1) or something like that?

Thanks
Mike





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