From owner-freebsd-scsi Wed Feb 18 20:56:41 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id UAA04244 for freebsd-scsi-outgoing; Wed, 18 Feb 1998 20:56:41 -0800 (PST) (envelope-from owner-freebsd-scsi@FreeBSD.ORG) Received: from clifford.inch.com (omar@clifford.inch.com [207.240.140.163]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id UAA04201 for ; Wed, 18 Feb 1998 20:56:20 -0800 (PST) (envelope-from omar@clifford.inch.com) Received: (from omar@localhost) by clifford.inch.com (8.8.5/8.8.5) id XAA29753; Wed, 18 Feb 1998 23:50:59 -0500 Message-ID: <19980218235059.26727@clifford.inch.com> Date: Wed, 18 Feb 1998 23:50:59 -0500 From: Omar Thameen To: scsi@FreeBSD.ORG Subject: Re: very slow scsi performance Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.81 Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org While we're on the subject of preferred drives, I should throw in our $.02. We're an ISP, so between news and heavily hit servers, we see some pretty good usage. Back before we settled on Seagate Barracudas, we had an unusual number of problems with Quantum drives, mostly the Gran Prix's. Some of them seem to run fine, but we had 3 of maybe 8-10 go bad, and they all went down due to "stiction" after powering them down. Maybe that has improved with the newer models. We haven't had one of the Barracudas go bad yet, though one is now giving us sd0(bt0:0:0): MEDIUM ERROR info:0x3ba93c asc:11,0 Unrecovered read error field replaceable unit: ea sks:80,b , FAILURE Where can I get more info about these types of errors? We've had about 15-20 of the Barracudas in production for about a year or so, and a dozen 5200 RPM SCSI Connor/Seagates in our news machine (to keep the cost down). At the risk of stating the obvious, there's one thing that can give you cheap insurance: fans. We add 2 fans to every server, one blowing directly on the drives, and one blowing out. Omar On Wed, Feb 18, 1998 at 06:22:03PM -0800, Tom wrote: > > That is a myth. The _only_ one I know about is the Quantum Fireball. > It is piece of a junk anyhow. I don't know any other drives that are > available as either IDE or SCSI. The Seagate Barracuda and IBM Ultrastar > drives certainly are not. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message