--- On Wed, 24/2/10, Felipe Alvarez <felipe.alvarez@xxxxxxxxx> wrote:
> From: Felipe Alvarez <felipe.alvarez@xxxxxxxxx>
> Subject: Re: Fwd: Majordomo results: Re: Majordomo results: .
> To: Jon@xxxxxxxxxxxxxxx
> Cc: linux-raid@xxxxxxxxxxxxxxx
> 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.
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