Date: Mon, 14 Jul 1997 00:46:31 -0700 (PDT) From: Josef Grosch <jgrosch@superior.mooseriver.com> To: michaelv@MindBender.serv.net (Michael L. VanLoon -- HeadCandy.com) Cc: current@FreeBSD.ORG Subject: Re: How many backups per DAT? Message-ID: <199707140746.AAA18058@superior.mooseriver.com> In-Reply-To: <199707140615.XAA22533@MindBender.serv.net> from "Michael L. VanLoon -- HeadCandy.com" at "Jul 13, 97 11:15:49 pm"
next in thread | previous in thread | raw e-mail | index | archive | help
Michael L. VanLoon -- HeadCandy.com said: > >This isn't strictly related to FreeBSD, so please reply to me, and not >to the list. I'll summarize if people are interested. > >I purchased a DAT drive a couple months ago, and am getting to the >fourth or firth backup on some of my tapes. There is a light on the >drive that comes on when it thinks the tapes are marginal, or the >drive needs to be cleaned. > >I've been cleaning the drive once a month, as they recommend (doing >weekly full backups), so I don't think that's the reason the light is >comming on. So, the alternative is that a DAT is only good for four >or five recordings before it starts degrading. Does this jive with >others' experiences? > >I seem to remember a discussion on this long ago, where someone else >claimed that DATs only last for a limited time. Does this sound >correct? > >It doesn't bother me if that's what I need to expect. I'd just like >to know for sure. Thanks for any feedback you send my way... > My experience with DAT drives is limited to HP 4mm data units and 4mm audio units. It is recommended that one clean a DAT drive every 20 hours of operation. The newer HP units tell you when it is time to clean the heads. One should use the special cleaning tapes and only use them just so many times. If I remember right the max number of time one should use a single cleaning tape is 40 passes. of course, your mileage may vary. Josef -- Josef Grosch | Another day closer to a | FreeBSD 2.2.1 jgrosch@MooseRiver.com | Micro$oft free world | UNIX for the masses
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199707140746.AAA18058>