Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!elroy.jpl.nasa.gov!ncar!gatech!prism!mailer.cc.fsu.edu!sun13!sun13.scri.fsu.edu!hudgens From: hudgens@sun13.SCRI.FSU.EDU (Jim Hudgens) Newsgroups: comp.unix.ultrix Subject: Re: Ultrix 3.0 & 3.1 /dev/(n)rmt0h TK50/70s Message-ID: Date: 24 May 91 17:19:50 GMT References: <118@janis.UUCP> Sender: hudgens@sun13.scri.fsu.edu Organization: SCRI, Florida State University Lines: 49 In-reply-to: ericw@janis.UUCP's message of 20 May 91 18:29:06 GMT In article <118@janis.UUCP> ericw@janis.UUCP (Eric Wedaa) writes: Has anyone else out there in net-land had the following problems with TK50s and TK70s: I insert a tape (tk70 for a tk70, etc) into the tape drive, and type the following commands: #mt rewind device /dev/nrmt0h does not exist (Not the exact message, as it has since scrolled to /dev/null) #mt -f /dev/rmt0h rewind device /dev/rmt0h does not exist #mt -f /dev/nrmt0h rewind device /dev/nrmt0h does not exist Nothing short of a reboot or waiting a variable number of hours (1-I can't wait any longer (>48)) seems to cure this. Has anyone else had this problem and come up with a solution? I have seen similar behavior with TU81's on a VAX6420 (Ultrix 3.1), as well as on TK50's and TK70's. One cause is to turn the tu81 off, and it's basically gone until reboot. I found this out within days of getting the machine (6420). Also, we now have one of the 8mm tape devices which hooks into the TU81. The combination is unstable and basically unworkable --- the 8mm crashes (lots of digits on the little lcd screen saying to call the manufacturer) and then you get a controller fault. After that any access to the tape drive hangs for some period of time, and may/may not clear. We really can't complain to dec, since the 8mm install did violate the warranty on the tu81 drive and controller. Power-cycling the 8mm fails, as does almost everything else I've tried. At one point, we received a tape which, when we attempted to read on a TK50 and two TK70's, caused all three tape drives to hang with the processes in an D state. Anyone have similar experiences??? JHH -- Jim Hudgens Supercomputer Computations Research Institute hudgens@sun13.scri.fsu.edu "Nothing's for sure except DEC and VAXe .. er, death and taxes"