[Cialug] Using DD to copy hard drive

Nathan C. Smith smith at ipmvs.com
Mon Jan 30 11:44:49 CST 2006


Disk is in place and will not boot on this system.  Cheap alternative to
Ghost.

-----Original Message-----
From: Aaron Thompson [mailto:aaron.thompson at uni.edu] 
Sent: Monday, January 30, 2006 11:27 AM
To: Central Iowa Linux Users Group
Subject: Re: [Cialug] Using DD to copy hard drive


It probably also depends if the speed and setup of the drives, if DMA is 
enabled, and the if the planets are aligned properly...

Out of curiosity - why not manually partition the disk and use something 
like rsync,tar, or cpio? Why dd?

@

Dave Weis wrote:
> 
> More in hours. I copied a 60 gig drive in less than an hour, but
> different hardware.
> 
> On Mon, 30 Jan 2006, Nathan C. Smith wrote:
> 
>> Egads, no wonder.
>>
>> Are you still looking at a day when you use the 1 meg block size or a 
>> lot less?  On the order of an hour or less?
>>
>>
>> -----Original Message-----
>> From: Dave Weis [mailto:djweis at internetsolver.com]
>> Sent: Monday, January 30, 2006 9:29 AM
>> To: Central Iowa Linux Users Group
>> Subject: Re: [Cialug] Using DD to copy hard drive
>>
>>
>>
>> If you used the default options it will take a reallly long time. I 
>> use bs=1048576 or larger (1 meg blocks). By default I think it uses 
>> 512 byte.
>>
>> dave
>>
>> On Mon, 30 Jan 2006, Nathan C. Smith wrote:
>>
>>>
>>> I'm using DD to copy a 120 GB hard drive, anyone know roughly how 
>>> long an operation like that should take?  (It's been going over 24 
>>> hours
>>> now.)
>>>
>>> -Nate
>>> _______________________________________________
>>> Cialug mailing list
>>> Cialug at cialug.org
>>> http://cialug.org/mailman/listinfo/cialug
>>>
>>
>>
> 

-- 
Aaron Thompson                  Assistant Oracle Database Administrator
http://www.uni.edu/~prefect/                University of Northern Iowa

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