External Backup Disk Drive

Ramesh Rao rameshrao55 at hotmail.com
Thu Jun 27 17:23:56 UTC 2013













Basil, Steve,

Basil, I have to learn bottom-posting. Can you give some hint? Google-ing found several hits with good amount of discussion, but no clue how exactly to go about it. I will do better in my next posting.

Right now the answers to your questions are:

I have done fdisk. The output is here.. The external disk does  not show up.
===========================================
ramesh at mozart:~$ sudo fdisk -l

Disk /dev/sda: 250.1 GB, 250056000000 bytes
255 heads, 63 sectors/track, 30400 cylinders, total 488390625 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: 0x000e7dce

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1              63      112454       56196   12  Compaq diagnostics
/dev/sda2   *      112516   488375999   244131742    f  W95 Ext'd (LBA)
/dev/sda5          112518     4321484     2104483+  82  Linux swap / Solaris
/dev/sda6         4321548    46267199    20972826   83  Linux
/dev/sda7        46267263   488375999   221054368+  83  Linux

Disk /dev/sdb: 250.1 GB, 250056000000 bytes
255 heads, 63 sectors/track, 30400 cylinders, total 488390625 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: 0x00038aeb

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1              63   488375999   244187968+  83  Linux
=============================================

The mount command fails:
=============================================
ramesh at mozart:~$ sudo mount -t ext4 /dev/sdc1 /media/mnt
mount: special device /dev/sdc1 does not exist
=============================================

To answer Steve's questions:

1. I have tried USBs both in front and rear of the WorkStation (Sun Ultra 20 M2). Made no difference.
2. As noted above, mount command fails.. (mount -t ext4 /dev/sdc1 /media/mnt)
3. Output from "tail -f /var/log/syslog" is at http://kiduvinhouse.net/share/syslog_out.txt
4. syslog does point to errors.

Sorry for the confused order of posting. But it contains all the information. Plz let me know if you need some more debugging info.

Thanks again to all.

Ramesh Rao


> Date: Wed, 26 Jun 2013 23:39:33 +1000
> From: blchupin at iinet.net.au
> To: kubuntu-users at lists.ubuntu.com
> Subject: Re: External Backup Disk Drive
> 
> On 26/06/13 14:24, Ramesh Rao wrote:
> > Basil,
> >
> > I  just did rebooting.. Unfortunately no change.
> >
> > Ramesh
> 
> [pruned]
> 
> I have to admit that I have not been following this thread so forgive me 
> if I repeat something which has already been suggested and tried.
> 
> As root, in a terminal, have you done-
> 
> fdisk -l
> 
> and what drives show up? and does the external HDD show up as /dev/sdcX?
> 
> And if it does have you tried to mount it manually with-
> 
> mount -t ext4 /dev/sdcX /media/xxxxx
> 
> where sdcX is the external and /media/xxxx is a sub-directory which you 
> may have to first create yourself in the /mount directory?
> 
> BC
> 
> PS It would be great if you did not top post when replying to posts 
> here. Thanks.
> 
> -- 
> Using openSUSE 12.3, KDE 4.10.4 & kernel 3.9.7-1 on a system with-
> AMD FX 8-core 3.6/4.2GHz processor
> 16GB PC14900/1866MHz Quad Channel Corsair "Vengeance" RAM
> Gigabyte AMD3+ m/board; Gigabyte nVidia GTX550Ti 1GB DDR5 GPU
> 
> 
> 
> -- 
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