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reading 9 track tape

dd if=/dev/nerstp0; dd if=/dev/nrstp0 if there are multiple data sets, and "dd" can convert from edcdic too if necessary

From: bv@wjv.com (Bill Vermillion)
Subject: Re: Connecting a 9 track tape drive to SCO 5.0.6
References: <a3f3bb58.0310100349.5e4085e9@posting.google.com>
<JwAhb.255865$mp.179748@rwcrnsc51.ops.asp.att.net> 
Date: Fri, 10 Oct 2003 16:35:01 GMT

In article <JwAhb.255865$mp.179748@rwcrnsc51.ops.asp.att.net>,
/dev/null  <dhart@no.s.p.a.m.ultranet.com> wrote:
>Sunil wrote:
>> I have a Proliant 3000 server with a 9 track 6250 bpi tape drive
>> connected over SCSI.
>> the Device id used is /dev/rStp2.
>> However I am not able to do any read/write on the drive. The tape
>> loads, rewinds with the </dev/rStp2 command.
>> dd moves the tape but give 0+0 in and out.
>> Please let me know any furthur step in trouble shooting this.
>> Woudl really appreciate any help
>> Thanks in Advance 
>> Sunil

>Writing to 9 track tapes sometimes requires a plastic ring be inserted 
>on the reel.  This is alternatively known as a write-enable ring or 
>write-protect ring, depending on whether you are IBM or not, and I 
>forget which way it is.

It is 'write-enable'.

This brings to mind the story of person who wanted to make sure
than no one wrote to an important tape so he filled the cut-out
where the ring was placed with expoxy - so no one could put
a ring in place.  Of course the expoxy acted just as if the
write-enable ring were in place.


-- 
Bill Vermillion - bv @ wjv . com

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