Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!think.com!snorkelwacker.mit.edu!bloom-beacon!eru!hagbard!sunic!sics.se!fuug!mcsun!unido!fauern!NewsServ!k2 From: k2@bl.physik.tu-muenchen.de (Klaus Steinberger) Newsgroups: comp.sys.dec Subject: Re: VMS upgrade path question Message-ID: Date: 14 Jun 91 06:20:46 GMT References: <23467@shlump.lkg.dec.com> Sender: news@Informatik.TU-Muenchen.DE Organization: Technische Universitaet Muenchen, Germany Lines: 25 mcculley@alien.enet.dec.com writes: >In article <1991Jun13.065949.29415@tkou02.enet.dec.com>, diamond@jit533.swstokyo.dec.com (Norman Diamond) writes... >#>In article <962@hadron.COM> klr@hadron.COM (Kurt L. Reisler) writes: >#>>It seems that in the process of relocating the collection of upgrade tapes >#>>from location A to location B, the car in which they were being carried >#>>attempted to occupy the same physical space as a bus. >Would that make the problem a bus error? >#>Should have copied the upgrades over an Ethernet connection. That has >#>collision detection. >I got the idea that the problem was not the collision going undetected, >but that it couldn't be corrected by retries. The solution will be CSMA/CA (Collision avoidance). Klaus -- Klaus Steinberger Beschleunigerlabor der TU und LMU Muenchen Phone: (+49 89)3209 4287 Hochschulgelaende FAX: (+49 89)3209 4280 D-8046 Garching, Germany BITNET: K2@DGABLG5P Internet: k2@bl.physik.tu-muenchen.de