Exabyte 8500 on Sun IPX (Summary)
2007-12-25 7:58:00
>From: satmb@gauss.med.harvard.edu (Timothy Baum 432-2765)
>To: mandrews@portal.hq.videocart.com
>Subject: Re: Exabyte 8500 on Sun IPX stores only 2GB!
>Newsgroups: comp.periphs.scsi,comp.sys.sun.hardware
>In-Reply-To: <BxKqns.7J9@portal.hq.videocart.com>
>Organization: Harvard Medical School
>>We have just installed an Exabyte 8500 5GB tape on a Sun IPX running
>>Sun OS 4.1.2. It's on the first SCSI bus, esp0 as Target 4, making it st0.
>>
>>The problem: It only stores 2GB! Does Sun send something to the drive
>>that makes it go into a 8200 compatibility mode?
>From the st(4s) man page:
>
> For helical-scan tape devices (Exabyte):
> /dev/rst[0-7]
> Standard EXB-8200 (2GB) Format
> /dev/rst[8-15]
> EXB-8500 (5GB) Format
>
>i.e., if you use name /dev/rst0 you get 2GB capacity,
>/dev/rst8 gets 5GB capacity.
>
>Hope this helps...
>
>Tim Baum
This did it!
I was a bit confused about the st8 device and whether the kernal had to be
reconfigured to look for an "st8, Ninth tape." No reconfig needed. It is just
a matter of using /dev/rst8 to refer to the Exabyte 8500 tape drive that is
installed and recognized as st0.
Many thanks to all who responded including:
Tim Baum satmb@gauss.med.harvard.edu
Connie Baker connieb@egs.com
V. Q. Hoang vqh@dwrock.att.com
Larry Beaulieu beaulieu@bose.com
Guy Harris guy@auspex.com
Brian Berlinger Brain.Berlinger@central.sun.com
All of these helpful responses came in less than 24 hours. I luv it! |-{)
--
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Mike Andrews VideOcart, Inc.
mandrews@hq.videocart.com 300 South Wacker Drive
Network Administrator Chicago, IL 60606 USA
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