From owner-freebsd-questions Tue Jul 25 10:27:32 2000 Delivered-To: freebsd-questions@freebsd.org Received: from castor.e-lingo.com (castor.e-lingo.com [63.200.147.16]) by hub.freebsd.org (Postfix) with ESMTP id 1BF2A37C062 for ; Tue, 25 Jul 2000 10:27:28 -0700 (PDT) (envelope-from meagan@e-lingo.com) Received: from meagan (node226.e-lingo.com [63.200.147.226] (may be forged)) by castor.e-lingo.com (8.9.3/8.9.3) with ESMTP id KAA09037; Tue, 25 Jul 2000 10:27:25 -0700 (PDT) (envelope-from meagan@e-lingo.com) Message-ID: <06b301bff65c$c4d12c10$e293c83f@meagan> From: "Meagan Jia Pi" To: "Jason C. Wells" Cc: References: Subject: Re: Backup Solution Date: Tue, 25 Jul 2000 10:21:28 -0700 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2919.6700 Disposition-Notification-To: "Meagan Jia Pi" X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6700 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG ----- Original Message ----- From: "Jason C. Wells" To: "Meagan Jia Pi" Cc: Sent: Tuesday, July 25, 2000 10:20 AM Subject: Re: Backup Solution > On Tue, 25 Jul 2000, Meagan Jia Pi wrote: > > > Morning! > > > > Currently we have two data centers: one is local and the other is remote > > at a co-location. > > > > Currently I am only doing backups using DLT 7000 on critical machines > > (AIT seems better with bigger capacity and cheaper price?), as you know, > > it will become a big problem as the company grows or when I make a false > > judgment on which machines are critical. Scalability and reliability > > are very important to us. Using jukboxes seems to be a very good > > solution. Has any of you have experience with using juckboxes? > > > > > > What would you do? > > I would use amanda no matter what hardware I chose. To be fair I do not > know about commercial solutions that may exist. Also, if you have a slow > link anywhere in between your hosts a networked backup solution may be > problematic. I was altually thinking of having two seperate jukboxes at two different locations. I am concerned about the trafic casued by network backups. I am pretty sure there are ways to handle this, but I don't know how. > With Amanda's scheduling capability you might even find that a robot is > not really necessary, depending on your total disc usage among all hosts. > E.g. Assuming a week long dump cycle with a 70GB DLT with hardware > compression you could handle 490 GB (minus a fudge factor) of allocated > disc. I don't quite understand how 490GB data can fit in a 70GB DLT tape. How do you do that? You are right, if such a big compression can be achieved, a robot is not necessary al all! Great news! Thanks! Meagan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message