Shift Summary Owl 9/26/99

Jason LaDue (jladue@cuhep.Colorado.EDU)
Sun, 26 Sep 1999 06:03:57 -0600 (MDT)

Shift Summary for owl shift, 09/26/99

On Shift: B. Hsiung, J. LaDue

Hours of beam available at all intensities: 6.75
Hours of beam available at nominal intensity: 6.75
Hours of E799 data (special runs not included): 5.75
Hours of special runs (laser scans, muon runs...): 0.0

Accounting of lost time:
Changing Tapes, the occasional KFREND and replacing an Etotal
board.

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Runs ended this shift:

14731 - Beam_799 - 2.2M
14734 - Beam_799 - 8.4M

Tapes brought to FCC this shift:
UPS009, UP*025-027

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Accesses during shift:
Replace a Etotal board with a bad bit (2493).

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Overview of shift:
Running at 1E13 for most of the shift. Then reduce request to 9E12,
we still get DAQDEAD problems at 1E13.

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Description of Shift:

run spill time comment
------------------------------------------------------------------------
14731 00:10 Beam position is off, call MCR.
14731 00:45 Jason H. and Jason L. go done on access to fix
a bad channel in the HCC (channel 2493).
01:25 Jasons out of access.
14734 16 02:15 Change Trigger 10 prescale to 2. Large DAQDEAD
is the culprit.
14734 35 KTEVANA Error; Missing FFFF word, stream 5
14734 65 KTEVANA Error; Missing FFFF word, stream 5
14734 67 KTEVANA Error; Missing FFFF word, stream 5
14734 88 KTEVANA Error; Missing FFFF word, stream 5
04:00 Mount Onsplit Tape UPF005
14734 150 KTEVANA Error; Missing FFFF word, stream 5
14734 167 KTEVANA Error; Missing FFFF word, stream 5
05:30 Mount Onsplit Tape UPH002.
Run 14734 ends due to full tapes.
Call MCR and request reduced intensity.
14735 05:45 Run starts.
16 KTEVANA Error; Missing FFFF word, stream 5

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Follow up Notes on Previous Shift
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Items to Follow up on Next Shift

Also, look out for very inefficient hcc bits, now that the gain match
is finished.

SDAQ_DEAD alarm never went off, even though it went up to >8s.

Contact Arun about cleaning up the onsplit area