From owner-freebsd-hackers@FreeBSD.ORG Sun Nov 16 19:23:31 2014 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 9D113ACF for ; Sun, 16 Nov 2014 19:23:31 +0000 (UTC) Received: from mail-vc0-x233.google.com (mail-vc0-x233.google.com [IPv6:2607:f8b0:400c:c03::233]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 516D3CFB for ; Sun, 16 Nov 2014 19:23:31 +0000 (UTC) Received: by mail-vc0-f179.google.com with SMTP id le20so5278120vcb.10 for ; Sun, 16 Nov 2014 11:23:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=ES0uuyn1WASZv76rPHB2YBsHDLzch2Y39ryzTOB1Npc=; b=NljTYoGAEv3ud9dgykWpMYkLQMPv9lmrkBRzdg6wy9WlSm8md+9SCjMmyi4nmJTOXm f5Ir2bGSQhAl734boK1g5auBCn6n+tZumly1hlQ0yq7+1Y+69qOVQu8xyo5OchgYozRO B5Un7E8qtRUz90tQaL/lYvOI6aaYoucHvqzbsqcDi2WSFI2BinDsIKETwVAKaHTPpHbH /9FlxAIHNk/B6wPXief+K6tl+MdowBKX6gX6O1wLTiLXtbnMNVyUFqNp2FYL/jB7znRB AuUYQMifiIsHk3OIrfVUJBjxxFoXJdoeBk3nfv3Rgo8DkPhcJwvpzWaj5XxlnZoLu8S/ JepA== MIME-Version: 1.0 X-Received: by 10.52.165.65 with SMTP id yw1mr17514105vdb.23.1416165810196; Sun, 16 Nov 2014 11:23:30 -0800 (PST) Received: by 10.220.118.19 with HTTP; Sun, 16 Nov 2014 11:23:30 -0800 (PST) In-Reply-To: References: Date: Sun, 16 Nov 2014 14:23:30 -0500 Message-ID: Subject: Re: OT-ish SATA port replicators vs. SAS "expanders" From: Zaphod Beeblebrox To: Brandon Vincent Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: FreeBSD Hackers X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 16 Nov 2014 19:23:31 -0000 On Sat, Nov 15, 2014 at 7:35 PM, Brandon Vincent wrote: > > In the end, your choice of solution depends on your application. Are > you working in a data warehouse with a five nines availability > requirement or are you experimenting at home? For the later, SATA is > the economical choice, while SATA doesn't quite cut it for the > enterprise requirement. > This is a home array that has media and also stores backups of business data. > > Where did you find that the LSI chipset doesn't support SATA port > replicators? > Well... when I plug in my LSI 2008 and attach one of it's ports to my ProBox eSATA port, it only "sees" one disk, despite the LSI 2008 saying that it supports dozens of total disks. FYI, the exact model is: AOC-USAS2-L8IR ... the 'R' version supporting RAID that I don't need and supposedly many disks per port (which I did need).