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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A4D8ECAAD5 for ; Mon, 12 Sep 2022 08:17:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229771AbiILIRB (ORCPT ); Mon, 12 Sep 2022 04:17:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51384 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229566AbiILIQ7 (ORCPT ); Mon, 12 Sep 2022 04:16:59 -0400 Received: from mail.thelounge.net (mail.thelounge.net [91.118.73.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43B8925EB8 for ; Mon, 12 Sep 2022 01:16:58 -0700 (PDT) Received: from [10.10.10.2] (rh.vpn.thelounge.net [10.10.10.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) (Authenticated sender: h.reindl@thelounge.net) by mail.thelounge.net (THELOUNGE MTA) with ESMTPSA id 4MQzw81sY8zXLZ; Mon, 12 Sep 2022 10:16:56 +0200 (CEST) Message-ID: Date: Mon, 12 Sep 2022 10:16:55 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.2.1 Subject: Re: 3 way mirror Content-Language: en-US To: Wols Lists , Gandalf Corvotempesta Cc: Linux RAID Mailing List References: <53f5754d-e3e2-a8ba-bedb-07eb2b594595@thelounge.net> <2bcebfce-6def-38f8-99be-1f5702905f94@youngman.org.uk> From: Reindl Harald Organization: the lounge interactive design In-Reply-To: <2bcebfce-6def-38f8-99be-1f5702905f94@youngman.org.uk> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org Am 11.09.22 um 20:08 schrieb Wols Lists: > On 11/09/2022 13:20, Reindl Harald wrote: >> >> >> Am 11.09.22 um 13:35 schrieb Gandalf Corvotempesta: >>> Il giorno dom 11 set 2022 alle ore 12:52 Reindl Harald >>> ha scritto: >>>> just throw it out of the array - on a RAID 1 with two disk you have >>>> still redundancy and i won't trust a disk which recognized that it has >>>> errors on it's own >>> >>> Why ? if it's just a single sector, the rest of the disk could be used >>> properly until the replacement. >> >> i simply don't trust drives which have thrown errors >> you don't lose anything when you push it out of the array > > That's called paranoia that's called common sense > ALL drives have hiccups when there's absolutely > nothing wrong with them. What are the manufacturer's error figures? > Expect at least one error every two or three complete passes of pretty > much every large big disk nowadays? i don't expect any SMART error at all and if one hits after years of uptime fine that the drive don't fail completly - but would i trust it? no!