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User name miham
Log entry time 00:03:17 on November 30, 2009
Entry number 303605
keyword=SWING Shift Summary (11/29/09)
Owl shift summary: Miha Mihovilovic (SL), Mark Dalton (TO)
John Arrington (3rd)
16:00 Compton people are doing tests. We are not taking any data -
waiting for them to finish.
16:26 Compton people gave up! :) They decided that we should go
back to production running.
16:33 Start beam recovery procedure. Requested for 2uA beam with
slits back to normal. Target is at EMPTY position.
16:34 Beam is back. Beam position monitor readouts seem to be within
BPMA: x = -0.67, y = 0.082,
BPMB: x = -0.657, y = 0.120
16:36 Ask MCC to do the HARP scan. They asked us to raise the current
from 2uA to 5uA for the HARP scan - we agreed.
16:45 MCC calls and reports that they are having problems with the
HARP IOC inside hallA. They need to secure beam in to our Hall
and reboot IOC.
16:54 MCC reports that they are done with reboot and they want to send
beam back to the hall.
16:55 MCC wants to turn the raster OFF, to do the test. Target is
17:00 MCC finished the HARP scan. B monitor values are: (x/y) =
180/140um and A monitor values are : (x/y) = 190/170um.
These values are within the limits.
17:06 RC decided to skip the BeO check and move directly to the LD2
target. We asked MCC to take beam away, mask motion so that we
can move the target. We also asked tMC to and change the raster
back to (4x4)MCC.
17:15 Target at LD2 position. We asked MCC to give us 2uA with raster
17:22 Did the spot++ check (Run #25865). Spot looks fine.
17:24 Called MCC and asked them to increase the current to 110uA. We
are starting with the production. We are going to run only LEFT
arm and HAPPEX DAQs since HRS-R is down.
19:18 During Happex run #14322 ROC 25 crashed. We are trying to reboot
it but so far with no luck. At the moment we are not taking any
20:30 We received call from Bryan Hess from IT who reported, that he
can not reach a network switch in Left arm. We believe that ROC
25 and network switch problems are related.
20:41 We have problems with Compton ROC5 and ROC6. We were able to
reboot ROC5. To bring ROC 6 back, we had to power cycle the
crate. Compton now works normally.
20:52 We informed Bob M. about the Network switch problem, and he said
that we should check if other ROCs in left arm respond. They do
NOT. However, ROCs in right arm respond normally. Therefore we
decided to ask MCC for the escorted controlled access, so that
when Bob arrives he will be able to go into the HALL and try to
fix the problem.
21:00 We are in controlled access.
21:05 Bob et. al went into a HALL on theleft ARM.
21:30 Bob solved the problem with network switch. We rebooted all the
crates and restared both codas: HAPPEX and LEFT. Things seem to
work now. We are back in power permit.
21:35 Asked MCC if they can give us our beam back: 110uA with (6x6)MCC
raster. We will return directly to production, no beam recovery
21:48 Called MCC and asked them to take HWP out.
21:58 Started again with the production running.
22:15 CODA crashed. Now we have problems with right arm ROCs 26 and 28.
22:20 We noticed that DAQ is not working again. Now ROC 26 and 28 do
not respond. Since symptoms were very similar to those in the
left arm an hour ago, we decided to call Bryan Hess from the IT
again, to check if the network switch in Right arm works. He
reported, that now he can not reach the switch in the right arm
and that this is very strange. Since this seems to be the same
problem as before but now in the Right arm we decided to call for
the controlled access, go down into the hall,and try to power
cycle the switch in the right arm.
22:25 In controlled access.
22:30 Dianchen et. al went down the hall to fix the problem. He power
cycled the network switch.
23:00 People came out of the hall. Coda and all the rocs seem to be
working again. We went back to beam permit, now waiting for the
23:15 Beam is back. Start with the production. First good run is #25871.
00:00 Shift ended during runs #14328 and #25871.
Right Arm DAQ:
NOT TAKING DATA!!!!
Left Arm DAQ:
25865: Spot++ check (A short run)
25866: 17:25/18:20, I = 110uA, N = 3.7M, DT = 2%, Raster = (4x4)mm
25871: 23:10/(passed 2 next shift), I = 110uA, DT = 3%, Raster=(4x4)mm
14321: 17:25/18:20, I = 110uA, N = 100k, DT = 2%, Raster = (4x4)mm
14322: 18:20/19:18, I = 110uA, N = 100k, DT = 2%, Raster = (4x4)mm
(ROC 25 and CODA chrashed during this run.)
14323: 19:18/?????, I = 110uA, N = 48k, DT = 2%, Raster = (4x4)mm
(ROC 25 and CODA chrashed during this run.)
14326: 21:50/22:10, I = 110uA, N = 20k, DT = 2%, Raster = (4x4)mm
(ROCs 26, 28 and CODA chrashed during this run.)
14328: 23:10/(passed 2 next shift), I = 110uA, DT = 3%, Raster=(4x4)mm
A copy of this log entry has been emailed to: miham, sirca