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,NICE_REPLY_A,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 7F0D4C43461 for ; Tue, 15 Sep 2020 18:33:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4299220732 for ; Tue, 15 Sep 2020 18:33:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727923AbgIOScp convert rfc822-to-8bit (ORCPT ); Tue, 15 Sep 2020 14:32:45 -0400 Received: from li1843-175.members.linode.com ([172.104.24.175]:55992 "EHLO mail.stoffel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727904AbgIOSNI (ORCPT ); Tue, 15 Sep 2020 14:13:08 -0400 Received: from quad.stoffel.org (066-189-075-104.res.spectrum.com [66.189.75.104]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by mail.stoffel.org (Postfix) with ESMTPSA id 9289620EA6; Tue, 15 Sep 2020 14:12:18 -0400 (EDT) Received: by quad.stoffel.org (Postfix, from userid 1000) id 19C10A668D; Tue, 15 Sep 2020 14:12:18 -0400 (EDT) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8BIT Message-ID: <24417.1026.44632.86763@quad.stoffel.home> Date: Tue, 15 Sep 2020 14:12:18 -0400 From: "John Stoffel" To: Rudy Zijlstra Cc: John Stoffel , Brian Allen Vanderburg II , Wols Lists , linux-raid@vger.kernel.org Subject: Re: Linux raid-like idea In-Reply-To: <43ce60a7-64d1-51bc-f29c-7a6388ad91d5@grumpydevil.homelinux.org> References: <1cf0d18c-2f63-6bca-9884-9544b0e7c54e.ref@aim.com> <1cf0d18c-2f63-6bca-9884-9544b0e7c54e@aim.com> <5F54146F.40808@youngman.org.uk> <274cb804-9cf1-f56c-9ee4-56463f052c09@aim.com> <38f9595b-963e-b1f5-3c29-ad8981e677a7@aim.com> <9220ea81-3a81-bb98-22e3-be1a123113a1@youngman.org.uk> <24413.1342.676749.275674@quad.stoffel.home> <9ba44595-8986-0b22-7495-d8a15fb96dbd@youngman.org.uk> <24414.5523.261076.733659@quad.stoffel.home> <5F5E425B.3040501@youngman.org.uk> <24416.8959.80816.985785@quad.stoffel.home> <43ce60a7-64d1-51bc-f29c-7a6388ad91d5@grumpydevil.homelinux.org> X-Mailer: VM 8.2.0b under 26.1 (x86_64-pc-linux-gnu) Sender: linux-raid-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org >>>>> "Rudy" == Rudy Zijlstra writes: Rudy> Op 15-09-2020 om 04:12 schreef John Stoffel: Brian> For more drives, you can use one of those external drive shelf Brian> boxes.  I currently have the HP M6710 I got off eBay with all Brian> caddies for about $100, which can house 24 2.5 hard drives in a Brian> 2U chassis and I've used an LSI 9201-16e to access it (both Brian> HBAs flashed to 20.00.07 or something like that).  I've already Brian> tested it and it works great, though a bit loud on the fans Brian> when powering on.  My understanding is also if you have more Brian> than one of these shelves you can daisy chain them via their Brian> ports SAS card -> Shelf 1 -> Shelf 2, etc, even cycling back to Brian> the SAS card for multi-path support (which is at the time over Brian> my head).  My plan for it is to put in my network closet once I Brian> get it cleaned out and cabling ran better to provide Brian> whole-house NAS storage.  I think there is also an M6720 model Brian> for 24 3.5 drives in a 4U chassis.  There is also NetApp shelf Brian> I was looking at but from reading looks like it uses a QSFP Brian> connector on it's IOM, and the cables that converted from Brian> SFF-8088 were quite expensive. Rudy> I'd take a look at HP D2600 Looks like it would be too loud for a home office, with those small fans. And probably overkill for my needs. But thank you for pointing this out!