Unix disk copy using dd

[Sridhar Ayengar]

Cameron Kaiser wrote:
>>> I did indeed assume a filesystem; under what circumstances would a  
>>> Unix hard disk not have a file system?
>>    One example is the use of a raw partition for, say, a database.   
>> This is not uncommon in Oracle installations, for example.
> 
> Informix does this also. It has a whole management subsystem for its
> "raw" dataspaces.

So do PostgreSQL, DB2 and many others.  It's a fairly common feature.

Peace...  Sridhar