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I have ssd and a hdd I installed ubuntu on hdd , after this fedora on ssd however on grub menu only ubuntu appears. I am uploading the text file of boot info script please help .

Boot Info Script 0.61      [1 April 2012]

============================= Boot Info Summary: ===============================

=> Grub2 (v1.99) is installed in the MBR of /dev/sda and looks at sector 1 of the same hard drive for core.img. core.img is at this location and looks in partition 94 for . => Grub2 (v1.99) is installed in the MBR of /dev/sdb and looks at sector 1 of the same hard drive for core.img. core.img is at this location and looks in partition 99 for .

sda1: __________________________________________

File system:       ext2
Boot sector type:  -
Boot sector info: 
Operating System:  Ubuntu 13.04
Boot files:        /boot/grub/grub.cfg /etc/fstab 
                   /boot/extlinux/extlinux.conf

sda2: __________________________________________

File system:       Extended Partition
Boot sector type:  Unknown
Boot sector info: 

sda5: __________________________________________

File system:       swap
Boot sector type:  -
Boot sector info: 

sdb1: __________________________________________

File system:       ext4
Boot sector type:  -
Boot sector info: 
Operating System:  
Boot files:        /grub2/grub.cfg

sdb2: __________________________________________

File system:       LVM2_member
Boot sector type:  -
Boot sector info: 

============================ Drive/Partition Info: =============================

Drive: sda _______________________________________

Disk /dev/sda: 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

Partition Boot Start Sector End Sector # of Sectors Id System

/dev/sda1 * 2,048 476,096,511 476,094,464 83 Linux /dev/sda2 476,098,558 488,396,799 12,298,242 5 Extended /dev/sda5 476,098,560 488,396,799 12,298,240 82 Linux swap / Solaris

Drive: sdb _______________________________________

Disk /dev/sdb: 60.0 GB, 60022480896 bytes 255 heads, 63 sectors/track, 7297 cylinders, total 117231408 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes

Partition Boot Start Sector End Sector # of Sectors Id System

/dev/sdb1 * 2,048 1,026,047 1,024,000 83 Linux /dev/sdb2 1,026,048 117,229,567 116,203,520 8e Linux LVM

"blkid" output: ____________________________________

Device UUID TYPE LABEL

/dev/sda1 5894b892-2ac5-4f5d-a65d-1adc979c7b4a ext2
/dev/sda5 2afdc36a-55b4-4ae2-8933-90bad39cc23f swap
/dev/sdb1 e24bbc02-6195-4cc3-8760-6e96458ace18 ext4
/dev/sdb2 CU6hgj-6osE-y4Pv-sefJ-uDrj-8lf3-DWgOm4 LVM2_member

================================ Mount points: =================================

Device Mount_Point Type Options

/dev/sda1 / ext2 (rw,errors=remount-ro) /dev/sdb1 /media/ty-1/e24bbc02-6195-4cc3-8760-6e96458ace18 ext4 (rw,nosuid,nodev,uhelper=udisks2)

1 Answer 1

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The reason is that you have 2 HDDs, each with a GRUB installed to their MBRs, but you can only boot one GRUB (at a time), namely the one on the first hard drive with the Ubuntu installed on it (sda). The solution is to update Ubuntu's /boot/grub/grub.cfg so it will detect and include Fedora as well:

sudo update-grub

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