Date: Thu, 13 Aug 1998 12:41:40 +0930 From: Greg Lehey <grog@lemis.com> To: "Robert D. Keys" <bsdbob@seedlab1.cropsci.ncsu.edu> Cc: chuckr@Glue.umd.edu, FreeBSD-questions@FreeBSD.ORG Subject: Re: WangDat 3100 SCSI tape (cleaning always good) Message-ID: <19980813124140.B1147@freebie.lemis.com> In-Reply-To: <199808121409.KAA02853@seedlab1.cropsci.ncsu.edu>; from Robert D. Keys on Wed, Aug 12, 1998 at 10:09:51AM -0400 References: <19980811145147.S20188@freebie.lemis.com> <199808121409.KAA02853@seedlab1.cropsci.ncsu.edu>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wednesday, 12 August 1998 at 10:09:51 -0400, Robert D. Keys wrote: >> On Tuesday, 11 August 1998 at 0:13:30 -0400, Chuck Robey wrote: >>> Here's the log message: >>> >>> Aug 11 00:18:09 moon st0: MEDIUM ERROR info:0x5f000 asc:c,0 Write error >>> sks:80,1 >>> Aug 11 00:18:09 moon st0: MEDIUM ERROR info:0x1 asc:c,0 Write error >>> >>> The same error seems to occur every time, even though the tape was >>> changed out (twice). >> >> This can also happen as the result of dirty heads or faulty >> electronics--in my experience, at least as often as with bad tapes. >> Is the drive new? If not, have you cleaned the head? > > In my experiences that probably points to a dirty tape drive head. > > I run a lot of different tape drives on my old junque, all ancient things, > and there are two problems that seem to surface that folks might pay > attention to. (speaking about older DC600, DC5160 type cartridge drives). > > 1. Clean the tape heads with a q-tip and some isopropyl alcohol, about > every 10 tape runs on tapes that are used. I find that errors start > to magically appear about that time, with regularity. I've tried this on DDS tapes, with very limited success. But you should run a cleaning tape about this often. More modern drives will remind you by blinking an LED if you forget. Greg -- See complete headers for address and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19980813124140.B1147>