Network cloning of raid array

Brad brad at bradandkim.net
Fri Nov 12 11:29:57 CST 2004


On Fri, 2004-11-12 at 10:01, Jonathan Hutchins wrote:
> On Tuesday 09 November 2004 10:25 am, Brad wrote:
> 
> > I have 2 raid 5 systems that I need to install to be identical.  I was
> > hoping someone might know of a way to install and configure the first,
> > and then clone it over the network.  Yes, I could use ghost, but I was
> > hoping there was a nice way of doing it with Linux utilities.   
> 
> (Coming in to this a little late, my Squirrelmail system is annoyingly slow.)
> 
> I don't see any reason you couldn't use ghost, but you could use tar or other 
> simple copy utilities as well.
> 
> If you don't have a specific reason that the copy must happen over the network 
> - if the two machines _can_ be in physical proximity during setup - than the 
> easiest thing is going to be to set up the first system completely, then set 
> up the RAID on the second system.  Pull one of the RAID drives from the 
> original system, replace it with a new drive.   The RAID system will now 
> duplicate the swapped drive.  Repeat as necessary.  Once you have all but the 
> last drive copied, you can install the duplicated drives in the RAID array on 
> the new system and you should be able to boot to it.  You can either allow 
> the secondary system to regenerate the final drive, or regenerate it on the 
> original system.

That does sound like a good way of doing this.  They will be close to each other
so I might give this a try.

Thanks,

Brad




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