[Simh] Error in rsx-11mplus every 5 minutes?

[Tony Nicholson]

On Thu, 9 Jan 2020 at 14:48, Dave Shevett <shevett at pobox.com> wrote:

> So being clever I tried to do this by hand with a del command:
>
> $ DEL DU0:[1,6]SYSSCAN.TMP
> Delete file   DU0:[1,6]SYSSCAN.TMP;1            [Y/N/G/Q]? Y
> DEL -- Failed to mark file for delete
> DU0:[1,6]SYSSCAN.TMP;1 -- No such file
> Delete file   DU0:[1,6]SYSSCAN.TMP;2            [Y/N/G/Q]? Y
> DEL -- Failed to mark file for delete
> DU0:[1,6]SYSSCAN.TMP;2 -- File ID, sequence number check
>
> It looks like the PIP command did work (no error at least)
>
> $ PIP DU0:[1,6]SYSSCAN.TMP;/RM
> $
>
> Why did the DEL command not work?
>
> Also, how did you know it was in 1,6?  The error message was ???,???
>


The DCL equivalent command for removing the directory entry for this
non-existent file is

$ SET FILE/REMOVE DU0:[1,6]SYSSCAN.TMP;

>
Johnny already gave an explanation for why this file entry is being left
behind when the RSX system is not shutdown properly (you should use the RUN
$SHUTUP command). If you’re getting this error, then it’s also likely that
there could be other errors on the system volume (e.g. other files may not
have been closed and there could be disk allocation errors).

You may need to run a disk verify using the VFY program.  See the Volume 3A
manual “RSX-11M-PLUS Utilities Manual” for details.

The full manual set for RSX-11M Plus is on bitsavers at
http://www.bitsavers.org/dec/pdp11/rsx11/RSX11Mplus_V4.x ).

Tony


> --
Tony Nicholson <tony.nicholson at computer.org>
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