Thread: Error mounting internal 1tb harddrive NFTS (Exactly the same size as install HD)

<first post apologies if make few mistakes on forum convention>

attempting access 3rd harddrive on fresh install of ubuntu (11.04) , after not being able mount through gui tried using disk utility program. upon selecting , specifying drive mount threw error.

error mounting: mount exited exit code 1: helper failed with:
mount: according mtab, /dev/sdb1 mounted on /
mount failed

whilst quick google search brought me ubuntu forums, unable idenitfy how fix problem results.

harddrive trying mount 1tb , called films, whilst other 2 named main install , tv.

terminal commands...

sudo fdisk -l

disk /dev/sda: 1000.2 gb, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 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: 0x00093f20

device boot start end blocks id system
/dev/sda1 1 121601 976760001 7 hpfs/ntfs

disk /dev/sdc: 2000.4 gb, 2000398934016 bytes
255 heads, 63 sectors/track, 243201 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: 0xc5b57adc

device boot start end blocks id system
/dev/sdc1 1 243202 1953512448 7 hpfs/ntfs

disk /dev/sdb: 1000.2 gb, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 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: 0x0003a885

device boot start end blocks id system
/dev/sdb1 * 1 121080 972567552 83 linux
/dev/sdb2 121080 121602 4192257 5 extended
/dev/sdb5 121080 121602 4192256 82 linux swap / solaris


sudo blkid

/dev/sda1: label="film" uuid="1e9ee0579ee0294b" type="ntfs"
/dev/sdc1: uuid="2a7ae7c37ae78a41" type="ntfs"
/dev/sdb1: label="main install" uuid="ea297717-6434-423c-9b06-ddd123dcc0ff" type="ext4"
/dev/sdb5: uuid="ce17ca3d-5f5a-4852-8ba4-dbeff5fbff20" type="swap"

cat /etc/fstab

# /etc/fstab: static file system information.
#
# use 'blkid -o value -s uuid' print universally unique identifier
# device; may used uuid= more robust way name
# devices works if disks added , removed. see fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
/dev/sda1 / ext4 errors=remount-ro 0 1
# swap on /dev/sda5 during installation
uuid=ce17ca3d-5f5a-4852-8ba4-dbeff5fbff20 none swap sw 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0


cat /etc/mtab

# /etc/fstab: static file system information.
#
# use 'blkid -o value -s uuid' print universally unique identifier
# device; may used uuid= more robust way name
# devices works if disks added , removed. see fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
/dev/sda1 / ext4 errors=remount-ro 0 1
# swap on /dev/sda5 during installation
uuid=ce17ca3d-5f5a-4852-8ba4-dbeff5fbff20 none swap sw 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0


## thank in making transition linux smooth one! ##

i'm confused info posted:

/dev/sda1: label="film" uuid="1e9ee0579ee0294b" type="ntfs"
/dev/sdc1: uuid="2a7ae7c37ae78a41" type="ntfs"
/dev/sdb1: label="main install" uuid="ea297717-6434-423c-9b06-ddd123dcc0ff" type="ext4"
/dev/sdb5: uuid="ce17ca3d-5f5a-4852-8ba4-dbeff5fbff20" type="swap"

/dev/sda1 / ext4 errors=remount-ro 0 1
uuid=ce17ca3d-5f5a-4852-8ba4-dbeff5fbff20 none swap sw 0 0

i don't know how able boot machine. getting info rescue disk?

can understand why happening. every , system gets confused , can "flip" partitions unless expressed in uuid's , don't think "disk utility" knows uuid's.

since disk utility touched can post output of command in case:

code:

sudo blkid -c /dev/null

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