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Old 03-30-2010, 04:26 AM   #1
uast23
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No entry in /dev/ folder for external hard disk


Hi,

I am trying to mount an external hard disk using a USB docking station but I am kind of stuck.

I can see the entries for different partitions of the hard disk in fdisk -l but there is no node file created in /dev folder. So, I am not able to mount.

Something like this -

#sudo fdisk -l

Disk /dev/sdd: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xf5bdf0ff

Device Boot Start End Blocks Id System
/dev/sdd1 131 654 4196352+ 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sdd2 654 1176 4196352+ 83 Linux
/dev/sdd3 1176 1437 2098176+ fe LANstep
/dev/sdd4 1437 38914 301031254+ 83 Linux

#ls -l /dev/ | grep sdd
brw-rw---- 1 root disk 8, 48 2010-03-29 17:38 sdd

So, there are the entries sdd1, sdd2 .. in fdisk -l but I dont see any entries in /dev/ folder for separate partitions.

Any inputs on how to mount this disk ?
 
Old 03-30-2010, 07:59 AM   #2
Hammett
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Look into dmesg for errors when you plug in your USB hard drive. Also, what file system the HDD has? Make sure your kernel supports the file system.
 
Old 03-30-2010, 08:05 AM   #3
pixellany
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Moved to "Linux-General".

A hard drive should be recognized even if it has no file system. e.g. a command like "fdisk -l" will list all drives and partitions regardless of whether they are formatted.
 
Old 03-31-2010, 04:33 AM   #4
uast23
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Smile

I think my machine was acting kind of weird. After an "unintentional" reboot, everything came back to shape. I could see all the entries sdc1,sdc2... in /dev folder.

@pixellany: absolutely; "fdisk -l" lists all the partition of the hard disk irrespective of the file system

@Hammett: dmesg is the first place where we look for any issues, isnt it ? :-). It was fine then and now. I mean it showed the partitions -
sdc: sdc1 sdc2 sdc3 sdc4

I am not sure about the reason yet (may be my machine was tired of running endlessly without reboot :-) which is highly unlikely).

Thanks for all the replies
 
  


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