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Conference stkhlm::magtape

Title:MAGNETIC TAPEDRIVES
Moderator:STKHLM::GJOHNSSON
Created:Mon Sep 21 1987
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:3775
Total number of notes:13147

3763.0. "Compatibility btw. 8505 and 8265T" by MUNICH::CUZUM () Fri May 23 1997 14:13

Hi, folks,

a customer using an Exabyte 8505 tape drive on a DigitalUnix System
(V4.0) wants to exchange some data with someone using an Exabyte 8265T
tape drive (2.3 Gb, without compression, he says) on an AIX 3.25 system.
The AIX-partner can't read any tapes created by our dUnix-customer(with
tar, cpio or dd). He always gets an error message which says that the tape 
is damaged. Our dUnix customer can read everything which is written on tape 
by the partner's 8265T tape drive. 

Can you tell me something about compatibilty between this tape drives or
options our customer can use to make his tapes readable from the other
side (8265T?) Let me know, if you need more informations about the 2 drives.

Regards,

Corina
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3763.1DECWET::RWALKERRoger Walker - Media ChangersFri May 23 1997 22:208
	The Exabyte 8200 series drives use a lower density than
	the 8500 series.  You would have to create an entry in
	the ddr database /etc/ddr.dbase for the 8505 and use the
	/dev/nrmt*l device to try and force the lower density.
	Before you ask, I don't know exactly what the entry should
	look like but the one for the 8500 should be close.

	See the man pages for ddr_config and ddr.dbase