Disk cloning

[L.P.H. van Belle]

why not use RAID 1 over IP. 

or DRDB 

then you have a exact clone ;-) 

Louis

 

>-----Oorspronkelijk bericht-----
>Van: linux-poweredge-bounces at dell.com 
>[mailto:linux-poweredge-bounces at dell.com] Namens Dimitri Yioulos
>Verzonden: 2009-01-20 14:21
>Aan: linux-poweredge at dell.com
>Onderwerp: RE: Disk cloning
>
>On Tue, 20 Jan 2009 08:06:52 -0500, Petrakis, Peter wrote
>> http://clonezilla.org/
>> 
>> > -----Original Message-----
>> > From: linux-poweredge-bounces at dell.com [mailto:linux-poweredge-
>> > bounces at dell.com] On Behalf Of Dimitri Yioulos
>> > Sent: Tuesday, January 20, 2009 5:58 AM
>> > To: linux-poweredge at dell.com
>> > Subject: Disk cloning
>> > 
>> > Hello to all.
>> > 
>> > I hope it's OK to ask the following:
>> > 
>> > I've been asked by a company to remotely clone a working 
>system. It's
>> > colo'd in Virginia
>> > (company HQ is in New York, I'm in Massachusetts).  
>Physical access to
>> the
>> > box, a PE
>> > 2950, I believe, is via "Remote Hands" only - colo personnel can do
>> minor
>> > things,
>> > including disk swaps.  Down time is really not an option.
>> > 
>> > I've considered all of the various cloning tools, and it 
>seems to me
>> that
>> > dd and rsync
>> > are best-suited to the task.  It looks like "dd if=/dev/sda
>> of=/dev/sdb
>> > bs=4096
>> > conv=notrunc,noerror" will accomplish the cloning (sda and 
>sdb are of
>> the
>> > same make,
>> > model, and size).
>> > 
>> > My questions:
>> > 
>> > 1.  Is the above dd command correct?
>> > 2.  After cloning, must sdb be disconnected so as not to 
>cause booting
>> > problems?
>> > 3.  Do I have to do anything post-cloning to make sdb bootable?
>> > 4.  What rsync command would I use to keep the two disks synced?
>> > 
>> > If anyone has gone through this process, and can provide 
>guidance, I'd
>> > appreciate it.
>> > 
>> > TIA.
>> > 
>> > Dimitri
>> > 
>
>I'm under the impression that one must boot from a Clonezilla 
>CD in order to use the
>tool.  Unfortunately, that's not an option.
>
>Thanks anyway, though.
>
>Dimitri
>
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