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Thread: grub error 17, fdisk doesn't show partition i need to fix device.map


hello,

tried installing ubuntu 11.04 on system had ubuntu 10.10 + windows xp dual boot. exisiting setup 2 drives (which i'll call small , big), small being master , having 2 partitions, 1 linux , for xp. grub boot loader.

chose "erase previous ubuntu" install option. installation failed due unknown error (but think think small might failing). when boot, grub error 17.

ubuntu forum thread seemed (http://ubuntuforums.org/showthread.php?t=442945), in particular mbwardle's answer (http://ubuntuforums.org/showpost.php...11&postcount=9).

booted using install cd. determine partition should listed first in device.map, ran 'fdisk -l'. listed big /dev/sda , small /dev/sdb. however, showed 1 partition /dev/sdb, /dev/sdb1, , ntfs partition. can't see ext3 (or whatever used when installed ubuntu 9 long time ago , upgraded way 10), can't mount need in order change (or check device.map.

idea wrong @ stage? ubuntu installation erased partition , failed before recreating partition? simpler, i'm doing wrong?

[edit] here output of 'fdisk -l':

/dev/sdb drive should boot from, , supposed contain 2 partitions, , 1 need not listed...

disk /dev/sda: 1000.2 gb, 1000204886016 bytes
16 heads, 63 sectors/track, 1938021 cylinders
units = cylinders of 1008 * 512 = 516096 bytes
sector size (logical/physical): 512 bytes / 512 bytes
i/o size (minimum/optimal): 512 bytes / 512 bytes
disk identifier: 0xd827047a

device boot start end blocks id system
/dev/sda1 1 1938018 976761040+ 7 hpfs/ntfs

disk /dev/sdb: 251.0 gb, 251000193024 bytes
255 heads, 63 sectors/track, 30515 cylinders
units = cylinders of 16065 * 512 = 8225280 bytes
sector size (logical/physical): 512 bytes / 512 bytes
i/o size (minimum/optimal): 512 bytes / 512 bytes
disk identifier: 0x6f9c6f9c

device boot start end blocks id system
/dev/sdb1 * 1 30514 245103673+ 7 hpfs/ntfs



thanks,
spip



Forum The Ubuntu Forum Community Ubuntu Official Flavours Support Installation & Upgrades [ubuntu] grub error 17, fdisk doesn't show partition i need to fix device.map


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