SUMMARY: Is Exabyte 8500 supported in SunOS 4.1.1?

From: Todd Pfaff (todd@flex.Eng.McMaster.CA)
Date: Fri Feb 07 1992 - 17:14:13 CST

Apparently, this question was asked and summarized to sun-managers recently
so I'm sorry for rehashing it. Here's a short summary; if anybody needs
more information I have it, thanks to many replies.

Basically, the drive isn't "supported" by the Sun driver in SunOS 4.1.1, but
it is useable in the high-density 8500 mode. SunOS 4.1.2 does fully support
the new features of the 8500 drive.

Under SunOS 4.1.1, with the stock driver:

- you can write in 8200 mode to a tape which has been written to previously
  in 8200 mode,

- you can write in 8500 mode to a new tape or a previous 8500 tape,

- you can NOT use the high speed search mode for locating filemarks.

One replier included a patch to st_conf.c which allows high density to be
used for rst0/1 and low density for rst8/9.

Third party drivers are available from:

        CITA Technologies
        Delta Microsystems

and probably others that I don't know of.

Todd Pfaff                      \ Internet:
Dept. of Mechanical Engineering  \   Voice: (416) 525-9140 x2902
McMaster University               \    FAX: (416) 572-7944
Hamilton, Ontario, CANADA  L8S 4L7 \

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