From owner-freebsd-isp Fri Jan 22 03:46:07 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id DAA28997 for freebsd-isp-outgoing; Fri, 22 Jan 1999 03:46:07 -0800 (PST) (envelope-from owner-freebsd-isp@FreeBSD.ORG) Received: from mailgw2.telekurs.com (mailgw2.telekurs.com [193.247.180.59]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id DAA28992 for ; Fri, 22 Jan 1999 03:46:03 -0800 (PST) (envelope-from DUB@Telekurs.com) Received: (from mailgw@localhost) by mailgw2.telekurs.com (8.9.1/8.9.1) with UUCP id MAA28112; Fri, 22 Jan 1999 12:45:50 +0100 (MET) Received: from Telekurs.com (pc-71472.telekurs.com [153.46.59.183]) by chiasso.telekurs.com (8.8.6 (PHNE_12836)/8.8.6) with ESMTP id MAA09295; Fri, 22 Jan 1999 12:39:57 +0100 (MET) Message-ID: <36A8638B.5D09A4A5@Telekurs.com> Date: Fri, 22 Jan 1999 12:39:55 +0100 From: Bernhard Duebi Reply-To: DUB@payserv.telekurs.com Organization: Telekurs Payserv AG X-Mailer: Mozilla 4.03 [de] (WinNT; I) MIME-Version: 1.0 To: radams@siscom.net, freebsd-isp@FreeBSD.ORG Subject: Re: Building new mail system References: <038501be45b7$45a7a920$2802fbd1@mp.siscom.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Hi, I don't know the controllers, but if ever possible avoid Raid 5. It's slow. I think Raid 0+1 is the way to go. Cheers Bernhard radams@siscom.net schrieb: > Hello all, > > We're putting together a new box to handle mail.. thought I would pick your > brains a little for advice. Hopefully someone has done this already. > > We are planning on using 4x9gig Cheetahs in a RAID 0+1 configuration.. > Currently we are looking at two RAID-RAID controllers. > > 1) Mylex 2 CHANNEL RAID W-U SCSI DACSXI > 2) CMD CRD-5440 or CRD-5500's > > Few questions.. can anyone recommend one of the above controllers over the > other? If so, for what reasons. Does the RAID 0+1 seem like the way to go? > Or should we go with something like RAID 5? > > The reason we aren't going with something like the DPT controllers is that > you have to boot to DOS to fix a failure... which isn't good imho. Any other > controller/setup recommendations are welcome.. > > TIA, > > Jason > > --- > Robert J. Adams radams@siscom.net http://www.siscom.net > Looking to outsource news? http://www.newshosting.com > SISCOM Network Administration - President, SISCOM Inc. > Phone: 888-4-SISCOM 937-222-8150 FAX: 937-222-8153 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message