Date: Sun, 10 Oct 1999 21:58:04 -0500 From: Dan Nelson <dnelson@emsphone.com> To: Greg Lehey <grog@lemis.com> Cc: patl@phoenix.volant.org, freebsd-questions@FreeBSD.ORG Subject: Re: Why use tape for backups? (was: backup method reccommendation?) Message-ID: <19991010215804.A50053@dan.emsphone.com> In-Reply-To: <19991011120854.U78191@freebie.lemis.com> References: <19991011112417.S78191@freebie.lemis.com> <ML-3.4.939608472.9084.patl@asimov> <19991011120854.U78191@freebie.lemis.com>
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In the last episode (Oct 11), Greg Lehey said: > On Sunday, 10 October 1999 at 19:21:12 -0700, patl@phoenix.volant.org wrote: > > On 10-Oct-99 at 18:54, Greg Lehey (grog@lemis.com) wrote: > >>> A second disk gets you only one generation of backup. And if > >>> something catastrophic happens during the backup, it may be > >>> corrupted too leaving you with -no- backup. > >> > >> Well, that can happen with tapes, too. > > > > Yes, if you are foolish enough to reuse a single backup tape > > instead of at least switching back and forth between two. (Or, > > better yet, having a real backup cycle among multiple tapes.) > > The same argumentation applies to disks. It's a lot easier to swap tapes than disks :) > > Maybe DDS wasn't the right choice. I've been using Exabyte 8mm > > backups for years, both personally and at various companies; and > > I've had more problems with disk drives going bad than I have with > > tape drives. > > I've used Exabyte and DDS. I've had many problems with each. Our company started with DDS, then moved to Exabyte, and now we're using DLTs. Our Exabyte drives needed cleaning every 5 full tape passes, and our DLTs go months without cleaning. For home users, either Exabyte or DDS is okay. -- Dan Nelson dnelson@emsphone.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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