[Info-vax] Another Alpha "TEMPERATURE_VECTOR" anomaly

[VAXman- at SendSpamHere.ORG]

In article <52414ab2-3ba1-4538-9f16-ac49727ba979 at r10g2000yqm.googlegroups.com>, Rich Jordan <jordan at ccs4vms.com> writes:
>Just ran into another unusual behavior using the undocumented and
>unsupported (yes I know) F$GETSYI("TEMPERATURE_VECTOR")  for
>monitoring a couple of Alpha DS10 6/466 systems.  They are clustered,
>and sit stacked in the same rack, getting the same environment,
>airflow, etc.
>
>Both systems are configured identically; one internal disk (same bay),
>CDROM, blank plate, 1 each KZPEA, 2 each fiber channel cards, 1 each
>GBe card, 768MB RAM.
>
>One system consistently reports 43-45C.  The other reports 23-24C.
>Both vary as room temp goes up/down, and I've asked for a test with a
>fan blowing into the front panel (which on a DS10L quickly drops
>reported temps 2-3 degrees) just to see if it moves down.
>
>The cold unit reports the same temp range from the RMC console STATUS
>command
>
>For now we're going to fudge the thresholds by adding 20C to the cold
>node's temps before checking against the warning, critical, and
>shutdowns.
>
>Anyone seen this before?

Time to call NIST for thermal calibration.

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