From owner-freebsd-questions@freebsd.org Thu Jan 3 01:11:36 2019 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 766801437A88 for ; Thu, 3 Jan 2019 01:11:36 +0000 (UTC) (envelope-from dschwartz783.freebsd@gmail.com) Received: from mail-qt1-x82f.google.com (mail-qt1-x82f.google.com [IPv6:2607:f8b0:4864:20::82f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4AED881E4D for ; Thu, 3 Jan 2019 01:11:35 +0000 (UTC) (envelope-from dschwartz783.freebsd@gmail.com) Received: by mail-qt1-x82f.google.com with SMTP id u47so30810697qtj.6 for ; Wed, 02 Jan 2019 17:11:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=kjPIV3ZnNV8T/FghodkImJAu/CeMt6NJHXZ9ZF0SI3M=; b=S9SWE5jyShGYxfdpu3Ukt7Veh/X5tShsSxGWmewlixW3NtoVxm/yUi/58yuOKuk7hB t9PDfxZyKrk7e7ae/2Q+jaFHJIu5389ToVkBVKyO+qjh3AYRxngYKGixs27F7Bi6ztao OGYd5/8xYcYasYwZ4DheD9OyxY2jAjHFRvvKZcETCS/1k7J61WQiVIjEx3NVDgTD2w9H MA3Oy+QKhz5FmWv0ccLvYErTZhtI9gzUViSm3mHmcMYIjG7v6tTGmI7QfslaueLJXzzN rRaoN6iAYhxt0o8zn2841362D/wx5Z1FWO99XQg4SXZ8JuUg/d7gqer7d3KN7ynhq3OI vl8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=kjPIV3ZnNV8T/FghodkImJAu/CeMt6NJHXZ9ZF0SI3M=; b=hSRkrg3Waq++NpjpywqlsDUOOp+dMQddYdaLtjHQ66j2zi1wgT9O8pjw8HV+1sEcW3 FQQJIQ2rYM6PATijDbrtnkvw9hh8WGqGy9Hr385Rf2Z5uvkrBsYvIoMBbozfIWiq/wa3 o9Y1ESKwGbcKADM1RZ4ThGJJVDqINTIB1WnO4OfSUIKMBJ4szOQwDSaCMKzxy0oIZ8Oy 136ovKzWpgv9Ghi5fGKfG1eoshPoHQcBaohkOBIM0uFPJJggU2hqvHc5jYBVqb5LzfL5 KjpMUZEvpnGzK0yU6QCZRXdoo4VhTqMfLR0qa1hTGf4W0temcojXqNpxozcZ6a96CQm4 wVSA== X-Gm-Message-State: AJcUukckEcgQysA1sElab3XJY7glKDZYBsFb5JZ4p2a3vau1O/AZDV09 C9ksoTwfoOXvPO0I1I7KrMqaUgZDH+k= X-Google-Smtp-Source: ALg8bN7oaEUW6e5+Rgf9mU+O+l/mS0fMq8UEmW7sQIam25Cn3T9IjhRVpY2e63O1amrIEUIbzedZWg== X-Received: by 2002:a0c:b407:: with SMTP id u7mr43006628qve.179.1546477894916; Wed, 02 Jan 2019 17:11:34 -0800 (PST) Received: from [127.0.0.1] (ool-457dda00.dyn.optonline.net. [69.125.218.0]) by smtp.gmail.com with ESMTPSA id c17sm34374591qtb.14.2019.01.02.17.11.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 02 Jan 2019 17:11:34 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\)) Subject: Re: Installing FreeBSD on HP Computer that is using software RAID 5 From: David Schwartz In-Reply-To: <20190102222619.c63f20f0.freebsd@edvax.de> Date: Wed, 2 Jan 2019 20:11:33 -0500 Cc: freebsd-questions@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <53FB6D40-11AB-460A-998B-01EF0E655687@gmail.com> References: <20190102222619.c63f20f0.freebsd@edvax.de> To: Polytropon X-Mailer: Apple Mail (2.3445.102.3) X-Rspamd-Queue-Id: 4AED881E4D X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=S9SWE5jy; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of dschwartz783freebsd@gmail.com designates 2607:f8b0:4864:20::82f as permitted sender) smtp.mailfrom=dschwartz783freebsd@gmail.com X-Spamd-Result: default: False [-6.11 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; MV_CASE(0.50)[]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; NEURAL_HAM_SHORT(-0.99)[-0.994,0]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[f.2.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; IP_SCORE(-2.61)[ip: (-9.24), ipnet: 2607:f8b0::/32(-2.10), asn: 15169(-1.62), country: US(-0.08)] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Jan 2019 01:11:36 -0000 Hi, first post. Howdy y=E2=80=99all. I definitely agree with this. ZFS cannot work properly if it isn=E2=80=99t= aware of the fact that it=E2=80=99s running a RAID. In order to take = advantage of bit-rot protection (unless you want to use copies=3D2), you = need to have ZFS construct the array. > On Jan 2, 2019, at 16:26, Polytropon wrote: >=20 > On Wed, 2 Jan 2019 11:06:33 +0000, Carmel NY wrote: >> Three SATA drives, 1,863 GB each, configured into a RAID 5 with 3,762 >> total GB >>=20 >> This is a software RAID, Intel Rapid Storage Technology 16.5.1.1030 >>=20 >> I have included the full information at the end. The system is >> presently running Win 10 PRO just fine. I want to convert it to a >> FreeBSD 12 system. If I install FreeBSD 12 amd64 utilizing ZFS, will = it >> recognize the drives and set them up correctly or will I have to do >> something manually? I want to keep the RAID setup and not use the >> drives individually. >=20 > Is there a reason you don't want to use ZFS's native RAID > features? It's commonly suggested to not rely on software > RAID and instead let ZFS manage the drives. You can construct > the same RAID setups with ZFS as you can with the controller, > and as you're going to scratch the existing content anyway, > there is no need to preserve anything of the previous layout. >=20 > More information here: >=20 > http://www.zfsbuild.com/2010/05/26/zfs-raid-levels/ >=20 > https://en.wikipedia.org/wiki/ZFS#RAID-Z >=20 >=20 >=20 > --=20 > Polytropon > Magdeburg, Germany > Happy FreeBSD user since 4.0 > Andra moi ennepe, Mousa, ... > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to = "freebsd-questions-unsubscribe@freebsd.org"