<SOLVED> Grub not seeing all operating systems -- 2 hard dri

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<SOLVED> Grub not seeing all operating systems -- 2 hard dri

Postby swright007 on Thu May 31, 2012 4:56 pm

I have a computer set up to test installs. I have 2 hard drives. The first hard drive has a partition for Mint Mate the other partition is for LMDE. My second hard drive is for Debian 6 Squeeze. I can get it to see sdb which has the 2 operating systems on it but not the Debian Squeeze on sda ). Sometimes I can get it to see sda and only 1 of the sdb installs...

Disk /dev/sda: 2000.4 GB, 2000397852160 bytes
255 heads, 63 sectors/track, 243201 cylinders, total 3907027055 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000c24d1

Device Boot Start End Blocks Id System
/dev/sda1 63 3697313791 1848656864+ 83 Linux
/dev/sda2 3697315838 3907024895 104854529 5 Extended
/dev/sda5 * 3697315840 3899437055 101060608 83 Linux
/dev/sda6 3899439104 3907024895 3792896 82 Linux swap / Solaris

Disk /dev/sdb: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000b6a

Device Boot Start End Blocks Id System
/dev/sdb1 * 2048 231747583 115872768 83 Linux
/dev/sdb2 484472830 488396799 1961985 5 Extended
/dev/sdb3 463499264 478607338 7554037+ b W95 FAT32
/dev/sdb4 231749632 463497215 115873792 83 Linux
/dev/sdb5 484472832 488396799 1961984 82 Linux swap / Solaris

Partition table entries are not in disk order

Disk /dev/sdc: 8000 MB, 8000110592 bytes
144 heads, 3 sectors/track, 36169 cylinders, total 15625216 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000ba5ef

Device Boot Start End Blocks Id System
/dev/sdc1 * 2048 15624191 7811072 b W95 FAT32
mint@mint ~ $



Thanks in advance for any grub repair assistance :)

Scott Wright
Last edited by swright007 on Fri Jun 01, 2012 7:35 am, edited 1 time in total.
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Re: Grub not seeing all operating systems -- 2 hard drives

Postby swright007 on Fri Jun 01, 2012 4:07 am

I figured it out. I ran "os-prober" and it fixed me right up. Thanks to those that checked out my post.


Scott
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