[Info-vax] Not getting a dump file when VMS crashes

[Henry Crun]

On 03/04/12 01:49, David Froble wrote:
> Ok, I should know more than I am remembering. Take pity on a senile old man, if
> you know the answer(s). Don't bother looking it up if you don't, I can still
> read. Just hoping for a simple answer.
>
> Got a VAXstation 4000 model 90A running VMS V7.2. Recently it has been crashing.
> I had been thinking it might be power related, there were some incidents where
> other stuff also went down, but now it's happening maybe once or twice a week to
> only the VAXstation.
>
> So Ok, I'll look at the crash dump, right? Unfortunately, what I'm getting is:
>
> $ ana/crash
> _Dump File: sys$system:sysdump.dmp
>
> OpenVMS (TM) VAX System dump analyzer
>
> %SDA-W-VAXDUMP, dump file FLAGS2 DMP$V_VAXDUMP should be set
> %SDA-E-DUMPEMPTY, dump file contains no valid dump
>
> Perhaps someone who knows what the above means can save me some eye strain?
>
> I have DUMPSTYLE set to 2

Two suspects:
a) Sudden death (possibly momentary) of the power supply
b) System disk going offline/disconnect/whatever


-- 
Mike R.
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