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Old 09-21-2009, 10:58 PM   #1
ratiohack
LQ Newbie
 
Registered: Feb 2009
Posts: 7

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Windows 7, Ubuntu, Raid0


So i have windows installed over a raid0, and i have ubuntu installed on my 3rd hard drive,

After installing ubuntu and the boot loader to my 3rd drive, Linux booted fine and dandy, so i went into grub menu.lst to add windows 7 back into the boot loader, added the following code and hit restart,

title Windows 7
root (hd1,0)
map (hd1) (hd0)
map (hd0) (hd1)
chainloader +1

windows shows up in grub just like it should be when i go to boot it i get the dreaded "BOOTMGR is missing" error...

I have tried using the repair function on the W7 dvd, but with no luck, it was unable to identify any installed versions of windows.

any ideas on where to go from here?

**I know threads like this come up every 15 seconds and i do thank you in advance if you are able to help out with this**
 
Old 09-21-2009, 11:17 PM   #2
ratiohack
LQ Newbie
 
Registered: Feb 2009
Posts: 7

Original Poster
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Update

I have worked out why it wont boot, i have windows 7 on partition two for some reason, So for the boot command to work would it look like this?

title Windows 7
root (hd0,2)
map (hd1) (hd0)
map (hd0) (hd1)
chainloader +1

Being hard drive 0, partition 2?

No would it be root (hd0,2)(hd1)??

Im lost now...

Last edited by ratiohack; 09-21-2009 at 11:19 PM.
 
Old 09-22-2009, 07:18 AM   #3
thorkelljarl
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Registered: Jun 2008
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From memory...


I believe that the GRUB numbering system starts with 0 for both the HDD and the partition. If you want to boot from the second partition of the first HDD, the notation would be "hd0,1".

http://www.gnu.org/software/grub/man...2dloading.html
 
Old 09-22-2009, 09:22 AM   #4
yancek
LQ Guru
 
Registered: Apr 2008
Distribution: PCLinux, Slackware
Posts: 9,425

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Grub does count from zero as thorkelljarl indicated so if your windows is on the second partition of the first drive:

rootnoverify (hd0,1)
chainloader +1

should work. Drop the map commands as they are only need on second or later drives.
 
  


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