From owner-freebsd-questions Tue Jul 25 10:40:50 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 E9EC937B739 for ; Tue, 25 Jul 2000 10:40:46 -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 KAA09588; Tue, 25 Jul 2000 10:40:39 -0700 (PDT) (envelope-from meagan@e-lingo.com) Message-ID: <06cc01bff65e$9d954f30$e293c83f@meagan> From: "Meagan Jia Pi" To: "Linh Pham" , "Jason C. Wells" Cc: References: Subject: Re: Backup Solution Date: Tue, 25 Jul 2000 10:34:41 -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: "Linh Pham" To: "Jason C. Wells" Cc: "Meagan Jia Pi" ; Sent: Tuesday, July 25, 2000 10:22 AM Subject: Re: Backup Solution > On Tue, 25 Jul 2000, Jason C. Wells wrote: > > > On Tue, 25 Jul 2000, Meagan Jia Pi wrote: > > > > > 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? > > > > 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. > > > > 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. > > > > Autoloaders are handy if you have to backup a lot of storage and need to > span across multiple tapes (and don't want to babysit the backup). But if > you don't have a lot of stuff to back up, or if the data is highly > compressible, a standard tape drive should be fine. > > If redundancy is crucial, you may want to install a tape drive in each > machine. This will reduce the need to backup across the network and in > case one drive goes down, you can use another drive in the other machine > to do a network backup. The downside to this method is the higher up-front > cost. > > For our datacenter, we have a 22-slot DLT IV autoloader connected to a > Windows 2000 machine (shh! I know, I know!!!) using Veritas Backup > Exec. It works great for our Windows servers, but doesn't work with the > BSD servers that run Samba. Why didn't you choose AIT? Thanks! Meagan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message