From owner-freebsd-scsi Tue May 11 9: 8:35 1999 Delivered-To: freebsd-scsi@freebsd.org Received: from uni4nn.gn.iaf.nl (osmium.gn.iaf.nl [193.67.144.12]) by hub.freebsd.org (Postfix) with ESMTP id 02DCA14CA9 for ; Tue, 11 May 1999 09:08:32 -0700 (PDT) (envelope-from wilko@yedi.iaf.nl) Received: from yedi.iaf.nl (uucp@localhost) by uni4nn.gn.iaf.nl (8.9.2/8.9.2) with UUCP id RAA00807; Tue, 11 May 1999 17:51:17 +0200 (MET DST) Received: (from wilko@localhost) by yedi.iaf.nl (8.9.3/8.9.3) id QAA01469; Tue, 11 May 1999 16:28:51 +0200 (CEST) (envelope-from wilko) From: Wilko Bulte Message-Id: <199905111428.QAA01469@yedi.iaf.nl> Subject: Re: problem with non-rewinding device on DLT / using dump ? In-Reply-To: <199905110806.SAA28834@nymph.detir.qld.gov.au> from Stephen McKay at "May 11, 1999 6: 6:50 pm" To: syssgm@detir.qld.gov.au (Stephen McKay) Date: Tue, 11 May 1999 16:28:51 +0200 (CEST) Cc: freebsd-scsi@FreeBSD.ORG, syssgm@detir.qld.gov.au, roberto@keltia.freenix.fr X-Organisation: Private FreeBSD site - Arnhem, The Netherlands X-pgp-info: PGP public key at 'finger wilko@freefall.freebsd.org' X-Mailer: ELM [version 2.4ME+ PL43 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org As Stephen McKay wrote ... > On Sunday, 9th May 1999, Wilko Bulte wrote: > > >As Ollivier Robert wrote ... > >> According to Wilko Bulte: > >> > make that: restore -s 3 -b64 -i -f /dev/nrsa2 > >> > > >> > and it works a whole lot better. > >> > >> I thought restore(8) was supposed to find the blocksize itself... > > > >Well... with -b64 I can restore things, without I can't. So I guess restore > >can not do it. > > It can guess as high as 32KB, but no higher. Changing HIGHDENSITYTREC to > 64 would cause dump to write in 64KB blocks for most devices and cause > restore to guess as large as 64KB. > > But, I think that some QIC tape devices will fail because 64KB blocks are > illegal in some modes. I find that 32KB works for me for all drive types > that I use (QIC old and new, Exabyte 8200 thru 8505). Any reason why > you don't use 32KB? DLTs stream better using bigger block sizes. Groeten / Cheers, | / o / / _ Arnhem, The Netherlands - Powered by FreeBSD - |/|/ / / /( (_) Bulte WWW : http://www.tcja.nl http://www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message