From owner-freebsd-hackers Fri Dec 17 18:25:13 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by hub.freebsd.org (Postfix) with ESMTP id 271DD14CCA for ; Fri, 17 Dec 1999 18:25:09 -0800 (PST) (envelope-from grog@freebie.lemis.com) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id MAA01548; Sat, 18 Dec 1999 12:54:42 +1030 (CST) Date: Sat, 18 Dec 1999 12:54:42 +1030 From: Greg Lehey To: Karl Denninger Cc: Wilko Bulte , Warner Losh , Soren Schmidt , freebsd-hackers@FreeBSD.ORG Subject: Tape reliability (was: ATAPI tape support - how to format?) Message-ID: <19991218125441.C1108@freebie.lemis.com> References: <199912130738.IAA28004@freebsd.dk> <199912131731.KAA44607@harmony.village.org> <19991213192545.D636@yedi.iaf.nl> <19991213125520.A567@Denninger.Net> <19991218120832.A1108@freebie.lemis.com> <19991217201910.A34455@Denninger.Net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0pre2i In-Reply-To: <19991217201910.A34455@Denninger.Net> WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Friday, 17 December 1999 at 20:19:10 -0600, Karl Denninger wrote: > On Sat, Dec 18, 1999 at 12:08:32PM +1030, Greg Lehey wrote: >> On Monday, 13 December 1999 at 12:55:20 -0600, Karl Denninger wrote: >>> >>> BTW, I have older HP DAT drives (4 & 8gb models) that have several YEARS >>> of active use on them, and other than using a cleaning tape when the front >>> panel "clean me" light flashes I've NEVER had ANY problem with them. >> >> This is in stark contrast with my experience. Which models? The >> 35480A DDS-1 drives I had had a life of about 8 months with daily >> backups. > > C1533As, circa 1994. I have two of them and they are still working. I had one of them. In fact I still do, and it didn't fail on me; it got damaged in transit instead, and I never got it repaired. > They were in use at an *ISP* as primary backup devices for more than > two years (read: had the shit beaten out of them nightly) until we > outgrew them and went to Exabyte 8705s (which SUCKED > reliability-wise, although they're better than the 8500s!). I've never used an 8700. My 8505XL still seems to be working, the 8500 before it wore out. > The final step was to go to two DLT IIIXTs (after that I have no > idea; I don't run the place anymore) I'm having trouble with a Quantum DLT4000 right now, but it looks like a compatibility problem. > Their predecessors, two 35480As, were replaced ONLY for capacity reasons. > As far as I know *those* are still working (I know where one of them is and > its not broken) > > I've never had trouble with HP DAT drives. None whatsoever. Amazing. I certainly had your share of the trouble as well. Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message