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From: Patrik Lundquist <patrik.lundquist@gmail.com>
Date: Tue, 14 Nov 2017 13:54:32 +0100
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Subject: Re: A partially failing disk in raid0 needs replacement
To: Klaus Agnoletti <klaus@agnoletti.dk>
Cc: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
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On 14 November 2017 at 09:36, Klaus Agnoletti <klaus@agnoletti.dk> wrote:
>
> How do you guys think I should go about this?

I'd clone the disk with GNU ddrescue.

https://www.gnu.org/software/ddrescue/