mount slave drive

[Chris Aitken]

Lennart Sorensen wrote:
> On Tue, Sep 18, 2007 at 01:08:24PM -0400, Chris Aitken wrote:
>   
>> If I chose the filesystem it would have been ext3. Sometimes they are 
>> auto-assigned Vol-something (I don't understand that system).
>>
>> one
>>
>> I'm not familiar with LVM (I choose No whenever offered that) and 
>> certainly it's not RAID.
>>
>> I didn't choose anything exotic.
>>
>> It's still on IDE 1 as slave (I checked that it's still jumpered to slave).
>>     
>
> So everything says there should be something simple to find, yet
> everything is acting as if the drive was overwritten by zeros pretty
> much.
>
>   
>> [root at p733 chris]# /sbin/fdisk -l /dev/sdb
>>
>> Disk /dev/sdb: 10.0 GB, 10005037056 bytes
>> 255 heads, 63 sectors/track, 1216 cylinders
>> Units = cylinders of 16065 * 512 = 8225280 bytes
>>
>>   Device Boot      Start         End      Blocks   Id  System
>> /dev/sdb1   *           1           1           0    0  Empty
>> Partition 1 does not end on cylinder boundary.
>>
>> [root at p733 chris]# dd if=/dev/sdb of=/tmp/sdb.scan bs=512 count=100 
>> skip=63;file /tmp/sdb.scan
>> 100+0 records in
>> 100+0 records out
>> 51200 bytes (51 kB) copied, 0.0327913 s, 1.6 MB/s
>> /tmp/sdb.scan: data
>>     
>
> Hmm.  Well given the geometry of the drive, that is where any first
> partition would normally start.  For example I get:
>
> lennartsorensen:~# dd if=/dev/sda of=/tmp/scan bs=512 count=100 skip=63
> 100+0 records in
> 100+0 records out
> 51200 bytes (51 kB) copied, 0.000804977 seconds, 63.6 MB/s
> lennartsorensen:~# file /tmp/scan
> /tmp/scan: Linux rev 1.0 ext3 filesystem data (needs journal recovery)
>
> If you open the /tmp file created in a hex editor is it all 00s or FFs
> or a bunch of random data?
>   
Okay, I finally opened it in midnight commander. Edit mode shows that it 
is just one line of dots (periods). Does this mean the data is gone?

Chris

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