Skip site navigation (1)Skip section navigation (2)
Date:      06 Jan 2003 09:04:19 -0500
From:      Lowell Gilbert <freebsd-chat-local@be-well.no-ip.com>
To:        Jamie Bowden <ragnar@sysabend.org>
Cc:        Brad Knowles <brad.knowles@skynet.be>, chat@FreeBSD.ORG
Subject:   Re: Backup Solutions
Message-ID:  <444r8mnzmk.fsf@be-well.ilk.org>
In-Reply-To: <20030106051858.U33984-100000@moo.sysabend.org>
References:  <20030106051858.U33984-100000@moo.sysabend.org>

next in thread | previous in thread | raw e-mail | index | archive | help
Jamie Bowden <ragnar@sysabend.org> writes:

> On Sun, 5 Jan 2003, Brad Knowles wrote:
> 
> > At 11:00 PM -0500 2003/01/05, Benjamin Lewis wrote:
> 
> [AMANDA, and its major flaw]
> 
> > >                                                       It can use more
> > >  than one tape during a backup *run*, but if any of the backups is
> > >  larger than the tape the backup will fail.  At work we use Amanda
> > >  extensively and we're just careful about keeping filesystems smaller
> > >  than tapes (or else buying drives with higher capacity) but if you've
> > >  got a bunch of 80gig drives and only a 4mm tape drive then you're likely
> > >  to hit this restriction big time.
> >
> > 	Especially since I'm just about to really get into editing home
> > video digitally, and I need to dump all the video I've captured
> > (several 80 minute MiniDV tapes) and then start putting all that
> > together.
> >
> > 	I may need a terabyte of storage or more, but so long as I buy
> > ultra-high capacity and relatively inexpensive drives, I think I can
> > RAID them at the server and still keep the costs within reasonable
> > limits.
> 
> Repeat after me:
> 
> RAID is NOT a backup.
> 
> You're smarter than this Brad, there are many reasons to do backups, and
> disk failure is one of the least common reasons (ie, how many times have
> you had to restore user files deleted accidentally vs. due to hardware
> failure?)

You misunderstood him.  Because he's adding RAID storage, he will have
larger filesystems, and larger amounts of data to back up to tape.
Thus, overrunning a single tape will be more of a problem for him than
in the past.

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-chat" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?444r8mnzmk.fsf>