Date: Wed, 23 Oct 2002 15:28:19 +0930 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Dan Nelson <dnelson@allantgroup.com> Cc: Chad Morland <chad.morland@inquent.com>, freebsd-questions@FreeBSD.ORG Subject: Re: DLT Backup Questions Message-ID: <20021023055819.GJ59395@wantadilla.lemis.com> In-Reply-To: <20021022172604.GA7213@dan.emsphone.com> References: <008c01c279ea$4a095930$1f02000a@downtown> <20021022172604.GA7213@dan.emsphone.com>
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On Tuesday, 22 October 2002 at 12:26:04 -0500, Dan Nelson wrote: > In the last episode (Oct 22), Chad Morland said: >> I am looking to create a multi-tape backup of close to 260G of data >> using a DLT-7000 with compression turned on. Does anyone have any >> recommendations for what to use to accomplish this? Amanda does not >> support multi-tape archives so that is out of the question. I have >> tried to use gnu tar but for some reason that was only placing 35G >> onto each tape (I am trying to use compression.) > > I have used gnutar to back up to multiple DLT tapes and it works fine. > Check the LEDs on the unit when you're doing a backup. If the "35" and > "Compress" LEDs are not lit, you might have tapes that had been written > with compression off at some point. Rewind the tape, and press the > "Density" button until "35", "Compress", and "Override" are all lit. > Then try the backup again. The compression also depends on the kind of data you're backing up. If it's all gzipped or JPEGs or some such precompressed data, you'll get hardly any additional compression. Greg -- When replying to this message, please copy the original recipients. If you don't, I may ignore the reply or reply to the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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