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 Forum index » Advanced Topics » Hardware
unable to mount external usb hard drive
Moderators: Flash, Ian, JohnMurga
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gaherzog

Joined: 11 Apr 2010
Posts: 9

PostPosted: Sat 30 Jun 2012, 09:53    Post subject:  unable to mount external usb hard drive
Subject description: unable to mount external usb hard drive
 

puppy 5.2.8 on a new LT4004u netbook unable to mount external hard drive wd IDE 80GB does not show up on desktop puppy is booting from sdb flash drive windows 7 is on on sda1

does show here as sdc:
sh-4.1# fdisk -l

Disk /dev/sda: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sda1 1 1698 13631488 27 Unknown
/dev/sda2 * 1698 1710 102400 7 HPFS/NTFS
/dev/sda3 1710 38914 298834944 7 HPFS/NTFS

Disk /dev/sdb: 7948 MB, 7948206080 bytes
255 heads, 63 sectors/track, 966 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sdb1 * 1 966 7759363+ b W95 FAT32
Warning: invalid flag 0x0000 of partition table 5 will be corrected by w(rite)

Disk /dev/sdc: 80.0 GB, 80026361856 bytes
251 heads, 63 sectors/track, 9884 cylinders
Units = cylinders of 15813 * 512 = 8096256 bytes

Device Boot Start End Blocks Id System
/dev/sdc1 1 1859 14691328 83 Linux
/dev/sdc2 1859 5641 29902849 5 Extended
sh-4.1#


sh-4.1# dmesg | tail
sd 8:0:0:0: Attached scsi generic sg3 type 0
sd 8:0:0:0: [sdc] 156301488 512-byte logical blocks: (80.0 GB/74.5 GiB)
sd 8:0:0:0: [sdc] Write Protect is off
sd 8:0:0:0: [sdc] Mode Sense: 00 38 00 00
sd 8:0:0:0: [sdc] Assuming drive cache: write through
usb-storage: device scan complete
sd 8:0:0:0: [sdc] Assuming drive cache: write through
sdc: sdc1 sdc2 < >
sd 8:0:0:0: [sdc] Assuming drive cache: write through
sd 8:0:0:0: [sdc] Attached SCSI disk
sh-4.1#

how can I retrieve data from this disk? and perhaps use it as external hd?
thanks
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rcrsn51


Joined: 05 Sep 2006
Posts: 9199
Location: Stratford, Ontario

PostPosted: Sat 30 Jun 2012, 11:30    Post subject:  

Run Gparted and check Drive sdc. What does it say?
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gaherzog

Joined: 11 Apr 2010
Posts: 9

PostPosted: Sat 30 Jun 2012, 13:32    Post subject:  

partition=unallocated
file system=unallocated
size=74.53GiB
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rcrsn51


Joined: 05 Sep 2006
Posts: 9199
Location: Stratford, Ontario

PostPosted: Sat 30 Jun 2012, 14:12    Post subject:  

gaherzog wrote:
partition=unallocated
file system=unallocated
size=74.53GiB

That's why Puppy can't mount it.

When did it last work? What data is on it?

I was going to suggest that you try to mount it in Windows. But if the partition table shows it as Linux, that's probably not going to work.
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gaherzog

Joined: 11 Apr 2010
Posts: 9

PostPosted: Sat 30 Jun 2012, 14:48    Post subject:  

it was in my former pc which died about 10 days ago. I got a brief message about a cpu failure due to overclocking; then nothing. not even the flash screen. I removed 2 hard drives; one sata and one lde. The sata works via usb, the ide does not. the ide has most of the data on it. The loss of the data is not a major consequence, but it is a major irritation.
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gaherzog

Joined: 11 Apr 2010
Posts: 9

PostPosted: Sat 30 Jun 2012, 19:00    Post subject:  

Is the data recoverable? Is the drive salvageable?

any ideas anyone?
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Karl Godt


Joined: 20 Jun 2010
Posts: 3972
Location: Kiel,Germany

PostPosted: Sat 30 Jun 2012, 19:30    Post subject:  

http://www.logilink.eu/showproduct/AU0006C.htm

Adaptor i use : needs usb-storage driver loaded . To change attached drives, usb-storage has to be unloaded to be able to refresh /proc/partitions .
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