From owner-freebsd-hackers Thu Jun 17 0:43:13 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from cs.rpi.edu (mumble.cs.rpi.edu [128.213.8.16]) by hub.freebsd.org (Postfix) with ESMTP id 2E39515169 for ; Thu, 17 Jun 1999 00:43:11 -0700 (PDT) (envelope-from crossd@cs.rpi.edu) Received: from cs.rpi.edu (monica.cs.rpi.edu [128.213.7.2]) by cs.rpi.edu (8.9.3/8.9.3) with ESMTP id DAA16929 for ; Thu, 17 Jun 1999 03:43:00 -0400 (EDT) Message-Id: <199906170743.DAA16929@cs.rpi.edu> To: freebsd-hackers@freebsd.org Subject: vinum performance Date: Thu, 17 Jun 1999 03:43:10 -0400 From: "David E. Cross" Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I have a drive that is rated at ~16 Meg/second, and indeed it delivers on the order of 15+ Meg/second. If I use Vinum to create a concatinated device of 2 such units performance drops to 2.5 Meg/sec. This seems like a drastic drop in performance. Any ideas what I am doin incorrectly? -- David Cross | email: crossd@cs.rpi.edu Systems Administrator/Research Programmer | Web: http://www.cs.rpi.edu/~crossd Rensselaer Polytechnic Institute, | Ph: 518.276.2860 Department of Computer Science | Fax: 518.276.4033 I speak only for myself. | WinNT:Linux::Linux:FreeBSD To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message