Date: Sun, 30 Jul 1995 20:35:09 +0200 (SAT) From: John Hay <jhay@mikom.csir.co.za> To: ras@nimh.jkcg.com (Robert A. Sharp) Cc: roberto@blaise.ibp.fr, apollo@io.org, bugs@freebsd.org Subject: Re: SCSI Tape bug. Message-ID: <199507301835.UAA26628@zibbi.mikom.csir.co.za> In-Reply-To: <Pine.BSF.3.91.950730142102.22288B-100000@nimh.jkcg.com> from "Robert A. Sharp" at Jul 30, 95 02:25:04 pm
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> Here's something a little even more puzzling... Whether I have a > tape in the drive or not, I begin with this error message and can never > even use the tape drive: > > tar -tvf /dev/nrst0 > tar: read error on /dev/nrst0 : Input/output error > > or: > > tar -tvf /dev/rst0 > tar: read error on /dev/rst0 : Input/output error > > > For reference, here is my hardware configuration: > > ahb0: reading board settings, int=11 > ahb0 at 0x4000-0x40ff irq 11 on eisa slot 4 > (ahb0:0:0): "MICROP 3243-19MZ Q4D HT02" type 0 fixed SCSI 2 > sd0(ahb0:0:0): Direct-Access 4095MB (8388315 512 byte sectors) > sd0(ahb0:0:0): with 3956 cyls, 19 heads, and an average 111 sectors/track > (ahb0:1:0): "IMPRIMIS 94601-15 4614" type 0 fixed SCSI 1 > sd1(ahb0:1:0): Direct-Access 992MB (2031705 512 byte sectors) > sd1(ahb0:1:0): with 1931 cyls, 15 heads, and an average 70 sectors/track > (ahb0:4:0): "TANDBERG TDC 4100 =04Y" type 1 removable SCSI 2 > st0(ahb0:4:0): Sequential-Access density code 0x0, drive empty > > > The adaptec is a 274x running in Enhanced mode. Another > interesting note is that I cannot get my Seagate Imprimis (Wren) to Fdisk > or disklabel so that I may newfs the drive...??!! But the tape drive > problem is a real pain in the a$$. If anyone has any thoughts on this, > I'd be happy to see this problem leave.... > I have a TANDBERG 3800 and I have to set its blocksize and density before it works. I have the following lines in my rc.local. mt -f /dev/st0ctl.0 blocksize 512 mt -f /dev/st0ctl.0 density 0x11 I hope this helps. -- John Hay -- jhay@mikom.csir.co.za
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