On Thu, December 28, 2017 15:57, Wyell Grunwald wrote:
> Looks good, nothing wrong with this.  Were you storing to tape or disc
> when the system halted ?
>


The system was backing up to tape as shown in the original post.  I
suspected the DDS3 unit from the outset but did not wish to influence
the advice to be offered. I have had problems with HP3000 system halts
relating to these units on other machines in the past.  I am not sure
why a hardware problem on an intermittently used peripheral should
bring down the entire system, but it has in the past. Albeit not
recently.

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