mt refuses to report location on the tape

Dear All,  

This is a follow-on to a previous posting as we have encountered the exact same problem with RHEL ES4:  

We attached a Quantum 8000 DLT to an Adaptec 39320A SCSI controller - the tape drive works fine, tar works fine and most of the mt commands work fine except  

mt -f /dev/nst0 tell  

which comes back with "no such device".  

Everything works fine on an older RH Linux system.  

If anyone knows the solution to this problem on RHEL 4 we'd be very grateful.  

Kind regards  

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Anthony Reynolds  

Image Diagnostic Technology Ltd

London, England    

Date: Fri, 17 Jun 2005 11:24:14 -0500

To: redhat-list@redhat.com  

I have a RHEL WS 4 Update 1 machine with a DLT drive attached. A user wants to use it, but is encountering some weird behavior from mt.

The device shows up in dmesg, the module is loaded, and /dev/st0 and /dev/nst0 exist. tar -tvf will successfully list the contents of a tape in the drive. However, 'mt -f /dev/nst0 tell' fails with 'no such device'. Normally I would suspect that the tape drive doesn't have this capability, but this command worked just fine with the machine's former Redhat 7.2 install. mt's other functions, including rewind, etc. appear to be working fine.

Any ideas?

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In addition to our free technical library, Pantek provides professional IT services to companies who utilize Open Source software: Learn more about Pantek's Technical Support offerings Place an order for 24/7/365 Technical Support here Learn more about Pantek, who we are, and what we do Chat with a Live Operator Related redhat.com Links fedora-list pump-list redhat-announce-list redhat-devel-list redhat-install-list redhat-list redhat-watch-list Request more information about Pantek

-Mindy

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