From: "Pasi Kärkkäinen" <pasik@iki.fi>
To: Paul Chambers <paul@bod.org>
Cc: linux-raid@vger.kernel.org
Subject: Re: Fwd: problems attempting to grow raid5 to raid6 - advice sought
Date: Sat, 25 Nov 2017 17:23:04 +0200 [thread overview]
Message-ID: <20171125152304.GN20756@reaktio.net> (raw)
In-Reply-To: <CALfMqR5DVqMOwNQwTPwb3y3OH7S-mKy-i=N1_SgvWfbRxbtarw@mail.gmail.com>
On Fri, Nov 24, 2017 at 06:54:43PM -0800, Paul Chambers wrote:
> (all the detailed info is at the end of this email)
>
> I could use some expert help...
>
> I started with a RAID-5 array of 5 x 6TB WD RED drives, and 1 x 6TB
> Seagate Ironwolf drive. This has been running well for a long time as
> a 5-drive array, and was grown to a 6 drive array a few months ago by
> the addition of the ironwolf drive. No known issues.
>
> ### devices in order: 0 1 2 3 4 5
> DRIVES="sdj sdg sdf sdq sdc sdh"
>
> I purchased 3 x 8TB WD Red drives, and used parted to set them up as
> GPT, with a single partition that fills the drive.
>
> I then added them to the array in the usual fashion:
>
> ~# mdadm --add /dev/md0 /dev/sdi /dev/sdk /dev/sdl
>
Hmm.. what was the point of creating the partitions if you added the whole disk to the array anyway?
-- Pasi
next prev parent reply other threads:[~2017-11-25 15:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CALfMqR47A=5usN-=6v3vUHAPYe-dFQ1Zxhuef0zZzRhXPcQQnQ@mail.gmail.com>
2017-11-25 2:54 ` Fwd: problems attempting to grow raid5 to raid6 - advice sought Paul Chambers
2017-11-25 15:23 ` Pasi Kärkkäinen [this message]
2017-11-26 0:24 ` Paul Chambers
2017-11-25 16:14 ` Anthony Youngman
2017-11-25 23:47 ` Phil Turmel
2017-11-26 0:17 ` Paul Chambers
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