Re: Fwd: Majordomo results: Re: Majordomo results: .

[Jon Hardcastle <jd_hardcastle@yahoo.com>]

--- On Wed, 24/2/10, Felipe Alvarez <felipe.alvarez@gmail.com> wrote:

> From: Felipe Alvarez <felipe.alvarez@gmail.com>
> Subject: Re: Fwd: Majordomo results: Re: Majordomo results: .
> To: Jon@ehardcastle.com
> Cc: linux-raid@vger.kernel.org
> Date: Wednesday, 24 February, 2010, 9:45
> > The beauty of that being that
> when all the drives
> > have been retired/failed and the smallest partition
> > size is now 500GB or whatever you can
> > --grow=max and get that unused space.
> >
> Thanks. That's a good idea, because I would eventually like
> to make
> the array larger than it is as the drives get replaced, one
> at a time.
> Would the command be:
> $ mdadm --grow /dev/md0 --size=max DEVICE1 DEVICE2 DEVICE3
> DEVICE4
> 
> Felipe
> --

Think it is simply mdadm --grow /dev/md0 --size=max 

But speaking from experience you'll likely run out of space before the bitter pill of retiring the drives/being unlucky enough for them to fail happens. You'll be adding new drives before you know it! And then... you'll probably want to consider RAID6 once you go over ~1TB per drive.