From owner-freebsd-hackers Mon Feb 5 12:51:40 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from mass.dis.org (mass.dis.org [216.240.45.41]) by hub.freebsd.org (Postfix) with ESMTP id 6398537B491; Mon, 5 Feb 2001 12:51:18 -0800 (PST) Received: from mass.dis.org (localhost [127.0.0.1]) by mass.dis.org (8.11.1/8.11.1) with ESMTP id f15KqOe00985; Mon, 5 Feb 2001 12:52:24 -0800 (PST) (envelope-from msmith@mass.dis.org) Message-Id: <200102052052.f15KqOe00985@mass.dis.org> X-Mailer: exmh version 2.1.1 10/15/1999 To: Matt Dillon Cc: "Michael C . Wu" , Mitch Collinsworth , hackers@FreeBSD.ORG, fs@FreeBSD.ORG Subject: Re: Extremely large (70TB) File system/server planning In-reply-to: Your message of "Mon, 05 Feb 2001 09:50:35 PST." <200102051750.f15HoZ021657@earth.backplane.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 05 Feb 2001 12:52:24 -0800 From: Mike Smith Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > :| > The files are accessed approximately 3 or 4 times a day on average. > :| > Older files are archived for reference purpose and may never > :| > be accessed after a week. > :| > :| Ok, this is a start. Now is the 70 TB the size of the active files? > :| Or does that also include the older archived files that may never be > :| accessed again? > :70TB is the size of the sum of all files, access or no access. > :(They still want to maintain accessibility even though the chances are slim.) ... > This doesn't sound like something you can just throw together with > off-the-shelf PCs and still have something reliable to show for it. > You need a big honking RAID system - maybe a NetApp, maybe something > else. You have to look at the filesystem and file size limitations > of the unit and the client(s). You can't do this with a NetApp either; they max out at about 6TB now (going up to around 12 or so soon). You might want to talk to EMC and/or IBM, both of whom have *extremely* large filers. Your friend may also want to look at Traakan, who have a novel product in this space. -- ... every activity meets with opposition, everyone who acts has his rivals and unfortunately opponents also. But not because people want to be opponents, rather because the tasks and relationships force people to take different points of view. [Dr. Fritz Todt] V I C T O R Y N O T V E N G E A N C E To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message