Thanks grahammechanical for your support, but installing grub in sdb didnt solve the issue..
Yancek: find my bootinfo below:
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 uses an
embedded config file:
---------------------------------------------------------------------------
search.fs_uuid 83ed0c73-1c9a-4e6f-8944-da8afeaae166 root
set prefix=($root)/boot/grub
---------------------------------------------------------------------------
-----.
=> 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
for (,msdos2)/boot/grub on this drive.
sda1: __________________________________________________ ________________________
File system: Extended Partition
Boot sector type: -
Boot sector info:
sda5: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sda6: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sda7: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sda8: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sdb1: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows 7
Boot files: /grldr /bootmgr /Boot/BCD
/Windows/System32/winload.exe /grldr
sdb2: __________________________________________________ ________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: elementary OS Luna
Boot files: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
sdb3: __________________________________________________ ________________________
File system: swap
Boot sector type: -
Boot sector info:
sdb4: __________________________________________________ ________________________
File system: Extended Partition
Boot sector type: -
Boot sector info:
sdb5: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows XP: NTFS
Boot sector info: According to the info in the boot sector, sdb5 starts
at sector 63.
Operating System:
Boot files:
sdb6: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows XP: NTFS
Boot sector info: According to the info in the boot sector, sdb6 starts
at sector 63.
Operating System:
Boot files:
sdb7: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows XP: NTFS
Boot sector info: According to the info in the boot sector, sdb7 starts
at sector 63.
Operating System:
Boot files:
============================ Drive/Partition Info: =============================
Drive: sda __________________________________________________ ___________________
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sda1 * 2,048 1,953,523,711 1,953,521,664 5 Extended
/dev/sda5 4,096 512,004,095 512,000,000 7 NTFS / exFAT / HPFS
/dev/sda6 512,006,144 1,024,006,143 512,000,000 7 NTFS / exFAT / HPFS
/dev/sda7 1,024,008,192 1,536,008,191 512,000,000 7 NTFS / exFAT / HPFS
/dev/sda8 1,536,010,240 1,953,523,711 417,513,472 7 NTFS / exFAT / HPFS
Drive: sdb __________________________________________________ ___________________
Disk /dev/sdb: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 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 32,774,143 32,772,096 7 NTFS / exFAT / HPFS
/dev/sdb2 32,774,144 65,546,239 32,772,096 83 Linux
/dev/sdb3 65,546,240 66,070,527 524,288 82 Linux swap / Solaris
/dev/sdb4 66,075,406 312,576,704 246,501,299 5 Extended
/dev/sdb5 66,075,408 143,412,254 77,336,847 7 NTFS / exFAT / HPFS
/dev/sdb6 143,412,318 227,994,479 84,582,162 7 NTFS / exFAT / HPFS
/dev/sdb7 227,994,543 312,576,704 84,582,162 7 NTFS / exFAT / HPFS
"blkid" output: __________________________________________________ ______________
Device UUID TYPE LABEL
/dev/sda5 132E36BA0B084634 ntfs
/dev/sda6 0B70B8921F6A9B91 ntfs Games
/dev/sda7 26DE24A608D7A794 ntfs Work
/dev/sda8 42193F4731FE9BF6 ntfs MotionPictures
/dev/sdb1 F08E29158E28D5BE ntfs
/dev/sdb2 83ed0c73-1c9a-4e6f-8944-da8afeaae166 ext4
/dev/sdb3 a621effd-6f54-4962-a986-6ace0639a0d3 swap
/dev/sdb5 5CC8897CC88954E4 ntfs Games/Downloads
/dev/sdb6 FC60918960914B72 ntfs Compatible
/dev/sdb7 403887F73887EA6C ntfs NewVolume
================================ Mount points: =================================
Device Mount_Point Type Options
/dev/sdb2 / ext4 (rw,errors=remount-ro)
=========================== sdb2/boot/grub/grub.cfg: ===========================
--------------------------------------------------------------------------------
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
set default="0"
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
}
function recordfail {
set recordfail=1
if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi
}
function load_video {
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
}
insmod part_msdos
insmod ext2
set root='(hd1,msdos2)'
search --no-floppy --fs-uuid --set=root 83ed0c73-1c9a-4e6f-8944-da8afeaae166
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=auto
load_video
insmod gfxterm
insmod part_msdos
insmod ext2
set root='(hd1,msdos2)'
search --no-floppy --fs-uuid --set=root 83ed0c73-1c9a-4e6f-8944-da8afeaae166
set locale_dir=($root)/boot/grub/locale
set lang=en_IN
insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ] ; then
set timeout=-1
else
set timeout=10
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 0,0,0; then
clear
fi
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
set gfxpayload="${1}"
if [ "${1}" = "keep" ]; then
set vt_handoff=vt.handoff=7
else
set vt_handoff=
fi
}
if [ "${recordfail}" != 1 ]; then
if [ -e ${prefix}/gfxblacklist.txt ]; then
if hwmatch ${prefix}/gfxblacklist.txt 3; then
if [ ${match} = 0 ]; then
set linux_gfx_mode=keep
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=keep
fi
else
set linux_gfx_mode=text
fi
export linux_gfx_mode
if [ "${linux_gfx_mode}" != "text" ]; then load_video; fi
menuentry 'elementary OS, with Linux 3.2.0-68-generic-pae' --class elementary --class gnu-linux --class gnu --class os {
recordfail
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd1,msdos2)'
search --no-floppy --fs-uuid --set=root 83ed0c73-1c9a-4e6f-8944-da8afeaae166
linux /boot/vmlinuz-3.2.0-68-generic-pae root=UUID=83ed0c73-1c9a-4e6f-8944-da8afeaae166 ro quiet splash $vt_handoff
initrd /boot/initrd.img-3.2.0-68-generic-pae
}
menuentry 'elementary OS, with Linux 3.2.0-68-generic-pae (recovery mode)' --class elementary --class gnu-linux --class gnu --class os {
recordfail
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd1,msdos2)'
search --no-floppy --fs-uuid --set=root 83ed0c73-1c9a-4e6f-8944-da8afeaae166
echo 'Loading Linux 3.2.0-68-generic-pae ...'
linux /boot/vmlinuz-3.2.0-68-generic-pae root=UUID=83ed0c73-1c9a-4e6f-8944-da8afeaae166 ro recovery nomodeset
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.2.0-68-generic-pae
}
submenu "Previous Linux versions" {
menuentry 'elementary OS, with Linux 3.2.0-51-generic-pae' --class elementary --class gnu-linux --class gnu --class os {
recordfail
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd1,msdos2)'
search --no-floppy --fs-uuid --set=root 83ed0c73-1c9a-4e6f-8944-da8afeaae166
linux /boot/vmlinuz-3.2.0-51-generic-pae root=UUID=83ed0c73-1c9a-4e6f-8944-da8afeaae166 ro quiet splash $vt_handoff
initrd /boot/initrd.img-3.2.0-51-generic-pae
}
menuentry 'elementary OS, with Linux 3.2.0-51-generic-pae (recovery mode)' --class elementary --class gnu-linux --class gnu --class os {
recordfail
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd1,msdos2)'
search --no-floppy --fs-uuid --set=root 83ed0c73-1c9a-4e6f-8944-da8afeaae166
echo 'Loading Linux 3.2.0-51-generic-pae ...'
linux /boot/vmlinuz-3.2.0-51-generic-pae root=UUID=83ed0c73-1c9a-4e6f-8944-da8afeaae166 ro recovery nomodeset
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.2.0-51-generic-pae
}
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows 7 (loader) (on /dev/sdb1)" --class windows --class os {
insmod part_msdos
insmod ntfs
set root='(hd1,msdos1)'
search --no-floppy --fs-uuid --set=root F08E29158E28D5BE
chainloader +1
}
set timeout_style=menu
if [ "${timeout}" = 0 ]; then
set timeout=10
fi
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/30_uefi-firmware ###
### END /etc/grub.d/30_uefi-firmware ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
--------------------------------------------------------------------------------
=============================== sdb2/etc/fstab: ================================
--------------------------------------------------------------------------------
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
# / was on /dev/sdb2 during installation
UUID=83ed0c73-1c9a-4e6f-8944-da8afeaae166 / ext4 errors=remount-ro 0 1
# swap was on /dev/sdb3 during installation
UUID=a621effd-6f54-4962-a986-6ace0639a0d3 none swap sw 0 0
--------------------------------------------------------------------------------
=================== sdb2: Location of files loaded by Grub: ====================
GiB - GB File Fragment(s)
= boot/grub/core.img 1
= boot/grub/grub.cfg 1
= boot/initrd.img-3.2.0-51-generic-pae 3
= boot/initrd.img-3.2.0-68-generic-pae 2
= boot/vmlinuz-3.2.0-51-generic-pae 1
= boot/vmlinuz-3.2.0-68-generic-pae 1
= initrd.img 2
= initrd.img.old 3
= vmlinuz 1
= vmlinuz.old 1
=============================== StdErr Messages: ===============================
xz: (stdin): Compressed data is corrupt
xz: (stdin): Compressed data is corrupt
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in