Re: Extending an existing RAID (10) array

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On Sun, 07 Jul 2013 08:33:19 +0200 Christian <CvB@xxxxxxxxxxx> wrote:

> On 04.07.2013 01:24, NeilBrown wrote:
> > I think you are just talking about making the devices bigger without
> > increasing the number of devices.
> > This possible for RAID10 as long as it uses a 'near' or 'offset' layout.  It
> > is not support for 'far' layout RAID10.
> 
> And as I just found out after some googling, growing RAID10 requires at 
> least kernel 3.4rc. I have Ubuntu 12.04, which has kernel 3.2
> 
> I'm now thinking I could use a parted magic live cd to grow the array, 
> and then continue using it with my current linux distribution. Am I 
> right in this assumption? Or have I missed something?
> 
> Thanks, Chris

I don't know anything about parted magic live cds, but if you somehow boot
into a nice new kernel that supports resizing RAID10 arrays, and resize the
array and then go back to your old kernel, that should all work.

NeilBrown

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