From owner-freebsd-questions@FreeBSD.ORG Wed Jul 13 16:18:44 2005 Return-Path: X-Original-To: questions@freebsd.org Delivered-To: freebsd-questions@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4BA1616A41C for ; Wed, 13 Jul 2005 16:18:44 +0000 (GMT) (envelope-from bob@fxp.org) Received: from chaos.fxp.org (chaos.fxp.org [216.155.111.15]) by mx1.FreeBSD.org (Postfix) with ESMTP id ED3B743D45 for ; Wed, 13 Jul 2005 16:18:43 +0000 (GMT) (envelope-from bob@fxp.org) Received: from localhost (localhost.fxp.org [127.0.0.1]) by chaos.fxp.org (Postfix) with ESMTP id 472A128420; Wed, 13 Jul 2005 12:18:43 -0400 (EDT) Received: from chaos.fxp.org ([127.0.0.1]) by localhost (chaos.fxp.org [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 89512-03; Wed, 13 Jul 2005 12:18:39 -0400 (EDT) Received: by chaos.fxp.org (Postfix, from userid 1103) id C47392841F; Wed, 13 Jul 2005 12:18:39 -0400 (EDT) Date: Wed, 13 Jul 2005 12:18:39 -0400 From: Bob Bomar To: Jim Freeze Message-ID: <20050713161839.GA72758@chaos.fxp.org> References: <20050713152313.GA1679@freeze.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="lrZ03NoBR/3+SXJZ" Content-Disposition: inline In-Reply-To: <20050713152313.GA1679@freeze.org> User-Agent: Mutt/1.5.9i X-Virus-Scanned: amavisd-new at fxp.org Cc: questions@freebsd.org Subject: Re: Need advice on building a system with a Raid drive X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Bob Bomar List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2005 16:18:44 -0000 --lrZ03NoBR/3+SXJZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jul 13, 2005 at 10:23:13AM -0500, Jim Freeze wrote: > Hi >=20 > I am building a new system and plan to use two=20 > 300GB drives in a raid 1 configuration. However, > I have read where fbsd can't boot from a raid > drive, but it is not clear why. >=20 > Can anyone confirm if this is a valid restriction? > Will I really need a boot drive separate from my > raid drives? >=20 I have 3 machines that boot from RAID 1 just fine, 1 uses a Promise RAID Card, FastTrak 100 with 2 Hot Swap Enclosures,=20 and the other 2 use the promise raid on the motherboards, one is a MSI, other is Gigabyte. I like the promise cards, as atacontrol(8) works great with them. dmesg from my server: Drives: ad4: DMA limited to UDMA33, non-ATA66 cable or device ad6: DMA limited to UDMA33, non-ATA66 cable or device ar0: 113487MB [14467/255/63] status: READY subdisks: 0 READY ad4: 114440MB [232514/16/63] at ata2-master = UDMA3 3 ad4: SuperSwap enclosure [FAN:3879rpm TEMP:29.0C 5.103V 12.383V] 1 READY ad6: 114440MB [232514/16/63] at ata3-master = UDMA3 3 ad6: SuperSwap enclosure [FAN:4166rpm TEMP:28.0C 5.049V 12.261V] ar1: 76293MB [9726/255/63] status: READY subdisks: 0 READY ad8: 76319MB [155061/16/63] at ata4-master UD= MA100 1 READY ad10: 76319MB [155061/16/63] at ata5= -mast er UDMA100 Waiting 2 seconds for SCSI devices to settle Mounting root from ufs:/dev/ar0s1a da0 at isp0 bus 0 target 2 lun 0 da0: Fixed Direct Access SCSI-2 device=20 da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit) da0: 4134MB (8467200 512 byte sectors: 255H 63S/T 527C Cards: atapci1@pci0:12:0: class=3D0x010485 card=3D0x1275105a chip=3D0x5275105= a rev=3D0x01 hdr=3D0x00 vendor =3D 'Promise Technology Inc' device =3D 'PDC20276 Ultra133 TX2/FastTrak TX Lite EIDE Controller' class =3D mass storage subclass =3D RAID atapci0@pci0:6:0: class=3D0x010485 card=3D0x4d68105a chip=3D0x6268105= a rev=3D0x02 hdr=3D0x00 vendor =3D 'Promise Technology Inc' device =3D 'PDC20268R FastTrak100 TX2/TX4/LP EIDE controller' class =3D mass storage subclass =3D RAID --=20 Bob Bomar bob@ibsd.us ----------------------------- FreeBSD: The Power to Serve http://www.freebsd.org --lrZ03NoBR/3+SXJZ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFC1T7f9Jm/aTrtdKoRAm68AJ9DCBP6bcVLd1QQTSdOLafO/ZOSzQCcDEht GFhAcbv62AxlRpX79sZB23M= =o3Cr -----END PGP SIGNATURE----- --lrZ03NoBR/3+SXJZ--