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Date:   Sat, 19 Mar 2022 15:45:59 +0500
From:   Roman Mamedov <rm@romanrm.net>
To:     Marc MERLIN <marc@merlins.org>
Cc:     linux-raid@vger.kernel.org
Subject: Re: new drive is 4 sectors shorter, can it be used for swraid5
 array?
Message-ID: <20220319154559.09f649e4@nvm>
In-Reply-To: <20220318173007.3ad9348c@nvm>
References: <20220318030855.GV3131742@merlins.org>
 <20220318173007.3ad9348c@nvm>
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On Fri, 18 Mar 2022 17:30:07 +0500
Roman Mamedov <rm@romanrm.net> wrote:

> However there should not be such size difference in the first place

If we look closely though, there actually doesn't appear to be:

> On Thu, 17 Mar 2022 20:08:55 -0700
> Marc MERLIN <marc@merlins.org> wrote:
> 
> > old drive:
> > User Capacity:    6,001,175,126,016 bytes [6.00 TB]
> > 
> > new drive:
> > User Capacity:    6,001,175,126,016 bytes [6.00 TB]

As for...

> >    8      128 5860522584 sdi
> >    8      129 5860521543 sdi1
> >
> >    8      160 5860522580 sdk
> >    8      161 5860521536 sdk1

Which tool returns this output?

What do you get for 

  blockdev --getsize64 /dev/sdi
  blockdev --getsize64 /dev/sdk

If this returns the same size for both, wipe a few first MB the new drive with
zeroes using dd, and try a different partitioning tool.

-- 
With respect,
Roman