From owner-freebsd-questions@FreeBSD.ORG Wed Jul 30 14:15:13 2003 Return-Path: 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 9A45837B401 for ; Wed, 30 Jul 2003 14:15:13 -0700 (PDT) Received: from station189.com (station189.com [203.194.198.184]) by mx1.FreeBSD.org (Postfix) with SMTP id 6897F43F75 for ; Wed, 30 Jul 2003 14:15:12 -0700 (PDT) (envelope-from rtjohan@syspres.com) Received: (qmail 32446 invoked from network); 30 Jul 2003 21:15:17 -0000 Received: from unknown (HELO rjc800) (12.234.42.231) by station189.com with SMTP; 30 Jul 2003 21:15:17 -0000 From: "Richard Johannesson" To: Date: Wed, 30 Jul 2003 14:11:28 -0700 Message-ID: <004a01c356df$252e6880$3d01a8c0@rjc800> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 In-Reply-To: <004301c356dc$76e9e620$3d01a8c0@rjc800> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal Subject: RE: Mirroring Vinum Volumes - importance of subdisk sequence on mirrordevice X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: rtjohan@syspres.com List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Jul 2003 21:15:14 -0000 It seems dumpconfig provides absolute settings of the subdisks. Might as well use those offsets just in case it matters. > -----Original Message----- > From: owner-freebsd-questions@freebsd.org [mailto:owner-freebsd- > questions@freebsd.org] On Behalf Of Richard Johannesson > Sent: Wednesday, July 30, 2003 1:52 PM > To: freebsd-questions@freebsd.org > Subject: Mirroring Vinum Volumes - importance of subdisk sequence on > mirrordevice >=20 > Question: > Is it important that the sequence plexes/sub-disks get created in for = the > primary drive and the mirrored drive be the same? Any performance = penalty? >=20 > I'm guessing that a different sub-disk creation order will put the = sub- > disks > in different places on a disk. >=20 > Background - if needed: > Have 10 vinum volumes being mapped by 10 plexes to the root drive. >=20 > To get mirroring, I created plexes/sub-disks for swap, root, and usr = using > the specific offsets for each on the 2nd hdd device and map them back = to > their specific volumes they should be mirroring. >=20 > When I start creating the other plexes/sub-disks on the 2nd hdd and = map > them > back to the volume already setup, I won't be using specific offsets. >=20 >=20 > Thanks, > Richard >=20 > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions- > unsubscribe@freebsd.org"