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no such device or address, no such file or

directory

From: Bela Lubkin <belal@sco.com>
Subject: Re: tape reset gives no /dev/xct0
Date: Sat, 16 Nov 2002 23:49:05 GMT
References: <54372cf5.0211161355.5b845c40@posting.google.com> 

joe mc cool wrote:

> SCO OSE 5.05.
> 
> When I execute:
> 
>    tape reset
> 
> the system responds:
> 
> tape: can't open '/dev/xct0': No such device or address
> 
> Yet, the xct0 is definately there:
> 
> crw-rw-rw-   3 root     root      46,128 Mar 27  1999 /dev/xct0
> 
> Might this indicate a physical problem with the tape drive.  I've
> changed nothing in the software in years.

Could be a physical problem.  If the drive is being recognized, you
should have two lines in `hwconfig -h` output.  You get a "%tape" line
at boot time, indicating that the driver is configured to allow access
to a drive.  Then, the first time you access the drive, you get a "%Stp"
line giving more specific details of the actual drive.

You should be able to see old samples of these from previous boots when
the drive was working, in /usr/adm/messages.  (The "%Stp" line won't
necessarily appear next to the rest of the laundry list.)

If you're not seeing "%Stp" now, the driver isn't recognizing the drive.

"No such device or address", ENXIO, means that your attempt got down to
the driver, which said no hardware was present.  If the device node was
missing you would have gotten ENODEV, "No such file or directory".

>Bela<
 

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