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 9C99DC636CD for ; Sun, 5 Feb 2023 04:04:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229663AbjBEEE2 (ORCPT ); Sat, 4 Feb 2023 23:04:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229478AbjBEEE1 (ORCPT ); Sat, 4 Feb 2023 23:04:27 -0500 Received: from www18.qth.com (www18.qth.com [69.16.238.59]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C113B1EFE2 for ; Sat, 4 Feb 2023 20:04:25 -0800 (PST) Received: from [73.207.192.158] (port=47110 helo=jpo) by www18.qth.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1pOWGN-0006ry-Lh for linux-raid@vger.kernel.org; Sat, 04 Feb 2023 22:04:23 -0600 Date: Sun, 5 Feb 2023 04:04:18 +0000 From: David Thorburn-Gundlach To: Linux RAID list Subject: throughput testing (was "Re: how to know a hard drive will mix well") Message-ID: <20230205040418.GK25616@jpo> References: <20230202124306.GH25616@jpo> <20230204022019.GI25616@jpo> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - www18.qth.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - justpickone.org X-Get-Message-Sender-Via: www18.qth.com: authenticated_id: dmail@justpickone.org X-Authenticated-Sender: www18.qth.com: dmail@justpickone.org X-Source: X-Source-Args: X-Source-Dir: Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org Roger, et al -- ...and then Roger Heflin said... % On Fri, Feb 3, 2023 at 8:22 PM David Thorburn-Gundlach < % davidtg-robot@justpickone.org> wrote: % > % > % not notice it, unless you are running your array right at the limit. % > % > Hmmph. I'm not entirely sure I'm not anyway, but it is just a little PC % > mobo running primary and daughtercard SATA ports. A Real Server (tm) is % > far, far beyond the current horizon :-) % % It does not take much of a motherboard/cpu to service a bunch of spinning % disks. % ... % About the only major thing that makes any difference is making sure that % whatever card is running the sata ports does not have a bottleneck. [snip] Thanks! It'll be a bit before I can play, but I'll do some reading and work some tests. Stay tuned :-) HAND :-D -- David T-G See http://justpickone.org/davidtg/email/ See http://justpickone.org/davidtg/tofu.txt