dd problem

Karl F. Larsen klarsen1 at gmail.com
Thu Jan 14 01:39:56 UTC 2010


Steve Flynn wrote:
> On Wed, Jan 13, 2010 at 11:17 PM, Karl F. Larsen <klarsen1 at gmail.com> wrote:
>> Johnneylee Rollins wrote:
>>> <snip>
>>>>        I have used and like rsync and it may be hard for you to
>>>> understand but I like to fool around with new ways to do things.
>>>>
>>>>        For backup I will return to rsync as I have the thing all set up.
>>> <snip>
>>> I'm sorta wondering why you use rsync? It has no advantages over
>>> tar'ing as far as I know.
>>        One HUGE advantage is that rsync allows daily backup to the
>> same file that includes only NEW files, and does so automatic.
>> This is why it is used so much.
> 
> For what you want to do Karl,
> http://www.gnu.org/software/automake/manual/tar/Incremental-Dumps.html

	I went to this web page and it shows me that you wind up with 
MANY tar.gz files that are incremental backups. This is stupid!

	With rsync you add new files to an existing file. Works fine 
and your method is stupid!

73 Karl




> 
> Sadly, yet again, you've started a thread here where you once again
> prove that even AFTER someone gives you the correct way to achieve
> what you want, you totally ignore it, trash a filesystem and then have
> the ignorance to take a pop at someone who's giving you yet more solid
> advice for your scenario.
> 
> Honestly old timer, when you come out with statements like
> 
> "To get the job done I had to use: sudo dd if=/dev/sdb1 of=/dev/sdg1"
> (and at this point, those of us who know what dd actually does started
> to laugh) and then continue with " and that worked fine. But it fouled
> up my portable hard drive." it all becomes too much.
> 
> Do you understand what you actually did? I'm being quite serious now -
> do *you really understand what this command does*? I suspect you don't
> as you reply to Charlie with "My first question is: Why does dd ruin a
> file system when it
> is directed to put some files on the HD?"
> 
> May I, not very respectfully, ask that you go away, read the man page
> for dd, apply it to the command you elected to use despite being told
> otherwise and learn something. When you come back, feel free to use
> your extensive education (yet curiously poor grammar and spelling) to
> explain what "sudo dd if=/dev/sdb1 of=/dev/sdg1" actually achieves.
> 
> I await your missive with barely contained excitement.... really.
> 
> --
> Steve
> When one person suffers from a delusion it is insanity. When many
> people suffer from a delusion it is called religion.
> 
> 09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0
> 


-- 

	Karl F. Larsen, AKA K5DI
	Linux User
	#450462   http://counter.li.org.
         Key ID = 3951B48D





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