[Info-vax] Uptime for OpenVMS

[onedbguru]

On May 11, 12:56 pm, JF Mezei <jfmezei.spam... at vaxination.ca> wrote:
> OK, in light of Bill Gunshannon's 4000 day uptime, I wanted to "edit"
> the output of SHOW SYSTEM....
>
> VMS Alpha 8.3:
>
> $START = "17=NOV-1858 01:00:00"
> $END = F$TIME()
> $write sys$output f$delta_time(start,end)
>
> %SYSTEM-F-IVTIME, invalid time
>
> If I change "start" to have a date last year, it works.
>
> Note that by having it at 01:00:00, it means that "start" isn't set to
> "0" and should not be considered a deltatime.
>
> Is this due to a 32 bit limitation in DCL that would not allow a
> delta-time greater than 32 bits ?

DS10L>$ sh sym start
  START = "24-DEC-1983 18:32:16.42"
DS10L>$ sh sym end
  END = "11-MAY-2011 18:32:16.41"
DS10L>$ write sys$output f$delta_time(start,end)
9999 23:59:59.99

DS10L>$ START = "24-DEC-1983 18:16:41"
DS10L>$ write sys$output f$delta_time(start,end)
%SYSTEM-F-IVTIME, invalid time


Trips the wire at 10000 days..