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Date:   Sat, 26 Mar 2022 18:29:25 +0000
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Subject: Re: new drive is 4 sectors shorter, can it be used for swraid5 array?
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To:     Tom Mitchell <mitch@niftyegg.com>, Marc MERLIN <marc@merlins.org>
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On 26/03/2022 18:01, Tom Mitchell wrote:
> Shrinking a filesystem (resize2fs) does have some risks so backup first.
> 
> It is sort of nice to leave modest unused space when setting up a new disk.
> 
> Also back up to the new disk formatted correctly then invert the question and
> add the old disk with matched size partitions to mirror to.
> 
> It all depends on the backup strategy. Clonezilla?

If they are the same size or the backup disk is larger, I'd just use dd 
on an unmounted filesystem!

Cheers,
Wol