From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4098C433E0 for ; Wed, 3 Feb 2021 19:34:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8D8E664DDC for ; Wed, 3 Feb 2021 19:34:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229601AbhBCTeM convert rfc822-to-8bit (ORCPT ); Wed, 3 Feb 2021 14:34:12 -0500 Received: from mail.eclipso.de ([217.69.254.104]:58718 "EHLO mail.eclipso.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229854AbhBCTeB (ORCPT ); Wed, 3 Feb 2021 14:34:01 -0500 Received: from mail.eclipso.de (www1.eclipso.de [217.69.254.102]) by mail.eclipso.de with ESMTP id 36FD3665 for ; Wed, 03 Feb 2021 20:33:18 +0100 (CET) Date: Wed, 03 Feb 2021 20:33:18 +0100 MIME-Version: 1.0 Message-ID: X-Mailer: eclipso / 7.4.0 From: " " Subject: Re: put 2 hard drives in mdadm raid 1 and detect bitrot like btrfs does, what's that called? Reply-To: " " To: Cc: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org --- Ursprüngliche Nachricht --- Von: " " Datum: 03.02.2021 20:04:32 An: ", linux-btrfs" Betreff: put 2 hard drives in mdadm raid 1 and detect bitrot like btrfs does, what's that called? ­Hi All, I am looking for a way to make a raid 1 of two SSD's, and to be able to detect corrupted blocks, much like btrfs does that. I recall being told about a month ago to use a specific piece of software for that, but i forgot to make a note of it, and I can't find it anymore. What's that called? Cheers, Cedric Hi All, it's called "dm-integrity", as mentioned in this e-mail: https://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg93037.html Apologies for the noise, Cheers, Cedric --- Take your mailboxes with you. Free, fast and secure Mail & Cloud: https://www.eclipso.eu - Time to change!