From owner-freebsd-hardware@FreeBSD.ORG Mon Sep 10 16:41:15 2012 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EBD9B1065670 for ; Mon, 10 Sep 2012 16:41:14 +0000 (UTC) (envelope-from ayoung@mosaicarchive.com) Received: from mail-ob0-f182.google.com (mail-ob0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 9AE548FC17 for ; Mon, 10 Sep 2012 16:41:14 +0000 (UTC) Received: by obbun3 with SMTP id un3so4123210obb.13 for ; Mon, 10 Sep 2012 09:41:13 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-originating-ip:in-reply-to:references:date :message-id:subject:from:to:cc:content-type:x-gm-message-state; bh=1wB3X4QyfnfsGQkObqyvL83vrIR8uBCkc8Ebm+SfWdo=; b=d5voHdaROxaAiViVWJ5EcXM2qnZpHjiPnSphON1jkZ8DzIjZWoPi5kEedZLn0Z4/wE vRrxyxBZ/UWpbT0NKzNFbAKIT2edKywrUbNveZTRpLUVimi4O6Jpkw4WLnle2cWMJ76D imK1eoAivdHGmVIZxJzBJRBaRmg1A/YOEXXQNRry1ctZCSgDkUh6kgoB2jrew7G/BEph +Fk1nHMLJxJuLMjafgJIixrNChEtjdzU01jl4OwxLFdwHcu0zT/BL7pBUHSbsY+EOYpH czahbAPbHBiWZdNnAGTng9mkbkrKTVeU4eioRWcCKZIAboekU+3DecF4rAlq92vVBYVR hK1w== MIME-Version: 1.0 Received: by 10.60.13.226 with SMTP id k2mr14837221oec.14.1347295273467; Mon, 10 Sep 2012 09:41:13 -0700 (PDT) Received: by 10.76.174.38 with HTTP; Mon, 10 Sep 2012 09:41:13 -0700 (PDT) X-Originating-IP: [96.237.242.243] In-Reply-To: References: Date: Mon, 10 Sep 2012 12:41:13 -0400 Message-ID: From: Andy Young To: Ivan Voras X-Gm-Message-State: ALoCoQky4OZw2xXc7z95KM1aci0HvBqQQ7P93bojOxUmjRfUPMZT8HSfof2u7MBARnrWrB1cwayy Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-hardware@freebsd.org Subject: Re: Can FreeBSD handle redundant SAS controllers? X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Sep 2012 16:41:15 -0000 Thanks Ivan. I will check it out. Andy On Mon, Sep 10, 2012 at 6:04 AM, Ivan Voras wrote: > On 07/09/2012 16:53, Andy Young wrote: > > I'm having trouble finding information about this on the web. I have a > SAS > > backplane with redundant expanders designed so you can use redundant SAS > > controllers. Seems obvious to me that the drivers need to support two > cards > > pointing to the same drives. Does this work in FreeBSD? Does it matter > > which HBAs I buy? > > The closest thing to what you want is gmultipath: > > http://www.freebsd.org/cgi/man.cgi?gmultipath > > -- Andrew Young Mosaic Storage Systems, Inc http://www.mosaicarchive.com/ Follow us on: Twitter , Facebook , Google Plus , Pinterest