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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 5C631C4363C for ; Wed, 7 Oct 2020 07:26:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02AA4207EA for ; Wed, 7 Oct 2020 07:26:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727661AbgJGH0l (ORCPT ); Wed, 7 Oct 2020 03:26:41 -0400 Received: from relay0.allsecuredomains.com ([51.68.204.196]:51369 "EHLO relay0.allsecuredomains.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727635AbgJGH0l (ORCPT ); Wed, 7 Oct 2020 03:26:41 -0400 Received: from [81.174.144.187] (helo=zebedee.buttersideup.com) by relay0.allsecuredomains.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1kQ3qP-0007Ca-Vx; Wed, 07 Oct 2020 07:26:38 +0000 Received: from [IPv6:2001:470:1b4a::e9a] (custard.lan [IPv6:2001:470:1b4a::e9a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by zebedee.buttersideup.com (Postfix) with ESMTPSA id 8C75BA0111; Wed, 7 Oct 2020 07:26:36 +0000 (UTC) Subject: Re: do i need to give up on this setup To: Daniel Sanabria Cc: Roger Heflin , Roman Mamedov , Linux-RAID References: <20201005184449.54225175@natsu> <20201005190421.4ecd8f1b@natsu> <6f2b7a81-fea3-bc05-a6d3-fc1331e249db@buttersideup.com> From: Tim Small Autocrypt: addr=tim@buttersideup.com; keydata= mQIJBFbUjJEBD+CpH8I/QfVdU9sQ3WrRK1rA6apqlaYvSYy1/vaZCkUVIaMvqjyj56iAE/9+ 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IGo6Z1FfAamLIKnNG9UEHBvBMKtOqSL1b76HMOie2NLCB/aThJ1FPDpGvCFldXJKO2mkJ5Z8 oqOyiMKTS+YFPaIoGSKQebADHj8v8JgiEp1e4XzuBrlSzCjBszwSCH+ZnNbakrdQKPVAvbVE 2mUypLlbx8habSxaLWpksvAAcvSoO5GTFcDjKPOBV/5CcT4DUX+ibkFJAIzoEmzoflO47qCn KRuH9bxdhZeK/RGksf3d5jZ2ClxUJUG2HRVdiXJS86Dnv8ZzpN2iBUH/SOMVSEjsDtozdcS6 Fiy6zqepx5FTMi4F4k6506fQW/vtwNVgYGzNSaXaQpmoA7sG9NVVOb3afHr7Plpr Message-ID: Date: Wed, 7 Oct 2020 08:26:36 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-GB Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org If you want to keep the Marvell controller in use, then I found them a lot more stable with Tagged Command Queueing disabled: echo 1 > /sys/block/sdX/device/queue_depth Otherwise you might also look for a firmware update for the WD Green drives which you are having problems with (they might be hidden on vendor support sites like those of Dell and Lenovo, if you can find particular PC models which shipped with the same models of WD drives that you have). Also if possible, consider switching for the ASMedia controllers if possible - the two port versions are available for under €10. Tim.