Thread: bootloader install failed during 11.10 install

i have been trying install 11.10 day keep encountering issue bootloader failing install. i've tried following:

1) mount dev/sda /mnt/....but device mounted or mnt busy
2) mount dev/mapper/isw_baeecjacca_volume0 /mnt/....same result above
3) using boot-repair tool both via ubuntu livecd , burned boot-repair cd initiated @ startup. former got held when trying "enable raid". latter stated boot-repair successful. when tried install ubuntu again receive same bootloader error.

not sure try next. appreciated.

in case helpful, following output form sudo fdisk -l (admittedly, not sure how interpret this):

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 / 512 bytes
i/o size (minimum/optimal): 512 bytes / 512 bytes
disk identifier: 0x000b0aa7

device boot start end blocks id system
/dev/sda1 * 63 3874894064 1937447001 83 linux
/dev/sda2 3874894065 3907024064 16065000 82 linux swap / solaris

disk /dev/sdb: 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 / 512 bytes
i/o size (minimum/optimal): 512 bytes / 512 bytes
disk identifier: 0x00000000

disk /dev/sdb doesn't contain valid partition table

warning: gpt (guid partition table) detected on '/dev/mapper/isw_baeecjacca_volume0'! util fdisk doesn't support gpt. use gnu parted.


disk /dev/mapper/isw_baeecjacca_volume0: 2000.4 gb, 2000404348928 bytes
255 heads, 63 sectors/track, 243201 cylinders, total 3907039744 sectors
units = sectors of 1 * 512 = 512 bytes
sector size (logical/physical): 512 bytes / 512 bytes
i/o size (minimum/optimal): 131072 bytes / 262144 bytes
disk identifier: 0x000b0aa7

device boot start end blocks id system
/dev/mapper/isw_baeecjacca_volume0p1 * 63 3874894064 1937447001 83 linux
partition 1 not start on physical sector boundary.
/dev/mapper/isw_baeecjacca_volume0p2 3874894065 3907024064 16065000 82 linux swap / solaris
partition 2 not start on physical sector boundary.

disk /dev/mapper/isw_baeecjacca_volume0p1: 1 mb, 1000448 bytes
255 heads, 63 sectors/track, 0 cylinders, total 1954 sectors
units = sectors of 1 * 512 = 512 bytes
sector size (logical/physical): 512 bytes / 512 bytes
i/o size (minimum/optimal): 131072 bytes / 262144 bytes
alignment offset: 113664 bytes
disk identifier: 0xc42a27cd

disk /dev/mapper/isw_baeecjacca_volume0p1 doesn't contain valid partition table

disk /dev/mapper/isw_baeecjacca_volume0p2: 1983.4 gb, 1983435000320 bytes
255 heads, 63 sectors/track, 241138 cylinders, total 3873896485 sectors
units = sectors of 1 * 512 = 512 bytes
sector size (logical/physical): 512 bytes / 512 bytes
i/o size (minimum/optimal): 131072 bytes / 262144 bytes
alignment offset: 30720 bytes
disk identifier: 0x00000000

disk /dev/mapper/isw_baeecjacca_volume0p2 doesn't contain valid partition table

disk /dev/mapper/isw_baeecjacca_volume0p3: 17.0 gb, 16968313856 bytes
255 heads, 63 sectors/track, 2062 cylinders, total 33141238 sectors
units = sectors of 1 * 512 = 512 bytes
sector size (logical/physical): 512 bytes / 512 bytes
i/o size (minimum/optimal): 131072 bytes / 262144 bytes
alignment offset: 11776 bytes
disk identifier: 0x00000000

disk /dev/mapper/isw_baeecjacca_volume0p3 doesn't contain valid partition table

is fakeraid?
if plan install ubuntu (no dual boot windows) why don't use software raid opposed fakeraid?

in both cases, need install alternate install cd, not standard desktop cd. if using desktop image, grub2 installation fails in cases. that's why raid and/or lvm recommended use alternate cd.

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