SUMMARY: Second SBUS SCSI problems

From: Jonathan Corbet (corbet@stout.atd.ucar.EDU)
Date: Mon Nov 11 1991 - 19:08:00 CST

My original query had been in regard to system lockups that seemed to be
caused by heavy activity on an SBUS SCUS bus. I got back a number of "it
works OK for me" messages, and a lot of real interest from folks within
Sun, which I really appreciate.

The problem, as it turns out, had nothing to do with the second bus;
instead, one of the drives on that bus was messing things up. The
offending drive was removed from the SCSI chain, and everything has been
working just fine since. My next project is a discussion with the
purchasing department about the true costs of lowest-bidder purchases...

For all of you who send me messages along the lines of "please summarize --
we are thinking of doing the same thing," let me state simply that there is
no evidence, as far as I can see, that Sun's SBUS SCSI controller works
anything other than flawlessly.

Thanks to:

kpc!!cdr@uunet.UU.NET (Carl Rigney)
stern@sunne.East.Sun.COM (Hal Stern - NE Area Tactical Engineering)
Matthew.Jacob@Eng.Sun.COM (Matt Jacob)
Vesa Halkka <>

Jonathan Corbet
National Center for Atmospheric Research, Atmospheric Technology Division

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