Shift summary for Owl, 4/Sep/99

Peter Shanahan (shanahan@fnal.gov)
Sat, 4 Sep 1999 07:13:09 -0500 (CDT)

Shift Summary for owl shift, 04/Sep/99

On Shift: V. Jejer, P. Shanahan

Hours of beam available at all intensities: 6.5
Hours of beam available at nominal intensity: 6.5
Hours of E832 data (special runs not included): 6.3
Hours of special runs (laser scans, muon runs...): 0.

Accounting of lost time: kfrends for "crate 53", laser crate

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Runs ended this shift:
Run xxxx - 1.8M events - BEAM_832

Tapes brought to FCC this shift:
(including tapes for online split)

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Accesses during shift: None

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Overview of shift:

E832 Data taking (no muon run)

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Description of Shift:

run spill time comment
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14426 180 00:25 Beam Returns for 1st time since spill 100

14426 214 01:15 Unknown Crate... (53) - kfrend
253 02:06 Stuck DYC busy (crate 39 - laser) - kfrend
03:50 L3 monitoring shows no CPU usage for ktev2 filter
process 4. All 12 processes are running, and trigger
histogram shows that all processes are handling events
properly. We conclude that the problem is not real.
426 06:00 Missing FFFF from crate 53. kfrend
448 06:30 Stuck busy - 2x bananas - kfrend several times.
06:40 KQ*YTF Eff=0.9989, just below limit. E-mail jladue.
475 06:59 Unknown crate - 53? - kfrend

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Follow up Notes on Previous Shift
Channel 226 is stable
Channel 961 does not have bad-capid; it has mantissa overflows, related
to slightly late laser timing.

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Items to Follow up on Next Shift