Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!tuvie!iiasa!wnp From: wnp@iiasa.AT (wolf paul) Newsgroups: comp.unix.admin Subject: Re: Dumping to an exabyte tape drive Summary: Discrepancies Keywords: Exabyte dump args Message-ID: <877@iiasa.UUCP> Date: 4 Sep 90 13:09:04 GMT References: <1990Aug29.143657.20588@siesoft.co.uk> <1990Sep1.143812@suned1.nswses.navy.mil> Reply-To: wnp@iiasa.UUCP (wolf paul) Organization: IIASA, Laxenburg/Vienna, Austria, Europe Lines: 35 In article <1990Sep1.143812@suned1.nswses.navy.mil> jht@suned1.nswses.navy.mil (Jim Tibbs) writes: ) ) dump 0ubsdf 64 12000 43000 /dev/rst1 "file-system" ) And in article linegar@bcars85.bnr.ca (Derick Linegar) writes: ) ) /usr/etc/dump 0ucbsdf 56 5190 4100000 /dev/whatever file-system ) And in article fpb@schlitz.ittc.wec.com (Frank P. Bresz) writes: ) )dump 0ufsd /dev/nrst2 6000 54000 /dev/id000a ) These figures seem quite inconsisten. Which is correct? Would someone at SUN care to comment, ideally the person who wrote their drivers? A Standard Tape has a density of 6250 bpi and a length of 2300 feet Jim Tibbs specifies a density of 43000 bpi and a length of 12000 feet Derick Linegar specifies 4100000 bpi and a length of 5190 feet Frank Bresz specifies density of 54000 bpi and a length of 6000 feet -- Wolf N. Paul, IIASA, A - 2361 Laxenburg, Austria, Europe PHONE: +43-2236-71521-465 FAX: +43-2236-71313 UUCP: uunet!iiasa.at!wnp INTERNET: wnp%iiasa.at@uunet.uu.net BITNET: tuvie!iiasa!wnp@awiuni01.BITNET * * * * Kurt Waldheim for President (of Mars, of course!) * * * *