SUMMARY: polycenter scheduler problem

From: Kurt Carlson <sxkac_at_java.sois.alaska.edu>
Date: Fri, 11 Apr 1997 09:15:15 -0900

Original inquiry attached. This problem was repeated on another
system last week and ceased to occur on both systems this week.

PolyCenter Scheduler has a bug in handling the "Spring forward"
time change. The problem apparently starts a week prior to
the Sunday change to daylight savings time and affects only
jobs scheduled for the 2am to 3am window. We saw no problems
with the Fall change back to standard time.

We saw a similar problem last year reported to Digital as C960401-5825,
but the cause was never isolated.... now it is. Regards, k

>>Date: Thu, 3 Apr 1997 12:50:58 -0900
>>
>>Here's an unusual one with polycenter scheduler.
>>
>>Starting between March 27th and 31st any job with schedule interval between
>>"d 2:00" and "d 2:59" and not schedule days all will run repetitively
>>and not reschedule itself. I can recreate this at will (at least today).
>>
>>We noticed this today when 3 jobs scheduled for Thursday 2:40 were
>>perpetually rerunning. Changing their schedule to 'd 3:00' fixed it.
>>We also noticed another job had been running repeatedly since Monday
>>3/31, changing it's schedule from 'd 2:00' to 'd 1:59' fixed it.
>>
>>Everything behaved properly last Thursday 3/27.
>>
>>Anybody have any ideas?
>>I'd report it to Digital/ComputerAssociates but they don't support
>>polycenter scheduler. kurt

_____________________________________________________________________
Kurt Carlson, University of Alaska SOIS/TS, (907)474-6266
sxkac_at_alaska.edu 910 Yukon Drive #105.63, Fairbanks, AK 99775-6200
Received on Fri Apr 11 1997 - 19:44:35 NZST

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