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Handover notes
Please use this page to write up any notes on anything that needs to be passed on to the next observer or should go into the end of experiment message.
Notes should be placed below the horizontal line as a new blog entry.
Continuing problems should be copied to the Current Issues page.
**Template for Handover notes:**
Be sure to add any specific notes about the experiment if required, for example “Special back end configuration for x reason”. Put as much detail as you can - the more the better.
====== Experiment Name ====== **Hobart 12m** Disk VSN: abc-123 | Data volume at beginning: 2.34 GB * 1300UT a comment from me (user) **Katherine 12m** Disk VSN: | Data volume at beginning: GB * **Yarragadee 12m** Disk VSN: | Data volume at beginning: GB * 1300UT Experiment started okay (JMc).
Format for entering a comment It is important to stick to this formula - there is a good reason we need this information, so please include it!
Time stamp in UT * Comment * (Your Name)
For Example:
20:00UT: Wind stows, Missed scans 012-3456 to 012-3457 (Jim)
20:50UT: Mark5 lost connection, had to restart Mark5 and reconfigure DBBC, called Jamie on call to fix, missed scans 012-3456 to 012-4567 (Jim)
Again - as much detail as you can. It is important to remember that these notes will be sent to the correlator, so please make sure they make sense to others.
T2125
Katherine 12m
Disk VSN: HAY-0041/960| Data volume at beginning: 0.240 GB
1730UT - Experiment started OK (Mas)
Yarragadee
Disk VSN: HOB+1004/16000| Data volume at beginning: 0.192 GB
1730UT - Experiment started OK (Mas)
R1842
Katherine 12m
Disk VSN: USN-0097| Data volume at beginning: 1.026 GB
- 1700UT - Experiment started OK (Tiege)
- 0130UT - Schedule halted to restart DBBC. clkoff had been slipping since 0100, passed the threshold at 0130. (JMc)
- 0146UT Schedule resumed. No data 0130-0146, data between 0100-0130 likely affected by delay jumps. (JMc)
Yarragadee 12m
Disk VSN: USN-0137| Data volume at beginning: 0.449 GB
- 1700UT - Experiment started OK (Tiege)
r4841
Katherine 12m
Disk VSN: SHAO-024| Data volume at beginning: 0 GB
- 06:24 UT delay large reconfigure dbbc (W)
- 06:38 UT resumed schedule (W)
- 09:02 UT Halted schedule. Delay was drifting again, power-cycled dbbc. (Arwin)
- 09:16 UT resumed schedule. (Arwin)
Yarragadee 12m
Disk VSN: Jive-057| Data volume at beginning: 0 GB
AUA043
Hobart 26m
Disk VSN: HOB+0119/32000 | Data volume at beginning: 15749.528 GB
- 1730UT: Experiment started okay (Lucas).
- 2200UT: The disk position has been drifting very quickly, 360 GBs in 4.5 hours, aka 80GB/hour (Lucas).
- 0717UT: regularly having an ALARM: error f1 -1 previous source in this schedule not reached before new source was commanded.(Simin)
- Missed scan no0140 to no0183.(Simin)
Katherine 12m
Disk VSN: HOB+0117/32000 | Data volume at beginning: 4.359 GB
- 1730UT: Experiment started okay (Lucas).
- 2200UT: The disk position has been drifting, 25 GBs in 4.5 hours, aka 5.5GB/hour (Lucas).
- Missed scan no0175 to no0183.(Simin)
Yarragadee 12m
Disk VSN: HOB+0107/16000 | Data volume at beginning: 0.380 GB
- 1730UT: Experiment started okay (Lucas).
- Constant onsource slewing errors, seems like Yarragadee is late to source quite often (Lucas).
- 2200UT: The disk position has been drifting very quickly, 100 GBs in 4.5 hours, aka 22GB/hour (Lucas).
r1841
Yarragadee
Disk VSN: IAA-0034/2000 | Data volume at beginning: 0 GB
- 16:30UT - Experiment started OK (Katie)
Katherine 12m
Disk VSN: PKS-0007/2000 | Data volume at beginning: 0 GB
- 16:30UT - Experiment started ok (Katie)
- 22:00UT - ALARM: error m5-104 mk5cn: time-out, connection close (continuously).
- Mick called, said only 1 light was on for the drives. Looks like mk5 crashed. Had to reboot. (Katie)
- Jamie restarted pc field system, and had to restart e-remote control as it lost connection.
- Missed scans: 128-2154b - 128-2244 (Katie)
CRDS95
Hobart 26m
Disk VSN: HOB+0119 | Data volume at beginning: 9869.415 GB
- 16:30UT - Experiment started OK (Patrick)
- 17:00UT - Hobart late on source (WARNING: ONSOURCE status is SLEWING!)
- Also: 17:06,19:34,19:39,20:05,22:00,22:41,22:57,23:02,23:13
- 13:00UT - Hobart has windstowed, wind speed reached 37 kph (Tiege)
Katherine 12m
Disk VSN: HOB+0029 | Data volume at beginning: 1.410 GB (swapped out because of bad disk. approximately 1780.38 GB recorded)
Disk VSN: HOB+0033 | Data volume at beginning: 0 GB
- 16:30UT - Experiment started OK (Patrick)
- 16:56 - ALARM: error m5 -104 mk5cn: time-out, connection closed. Restarted mk5 inbetween scans, this might fix it. (Patrick)
- 17:30 - restarting mk5 did not fix previous error. it is due to a faulty disk in the module (shows up in get_stats procedure), which is causing writes to disk to be slower than usual. will email Mick and ask him to swap it with a good module in the morning, nothing I can do at the moment.
- Set error to be ignored for the moment by changing M5 -104 in /usr2/control.ke/alarm_actions.txt (Patrick)
- 18:40 - received the following alarms:
- ALARM: error st -998 reading systemclock1 and
- ALARM: error st -999 tcp/ip connection error.
- WARNING: error st -10 rampepochtime not -1 when preparing to load, check antenna is in “operate”
- WARNING: error st -5 error return from antenna, see mbus error
- stowing and re-acquiring source fixed it. Affected scans are No0304-No0305. (Patrick)
- 20:45 - Above error happened again, halted, stowed, and resumed schedule to fix it. Affected scans are No0324-No0326. (Patrick)
- 21:51 - Schedule halted to swap modules. New module is HOB+0033. (Patrick)
Yarragadee 12m
Disk VSN: HOB+0021 | Data volume at beginning: 1.538 GB
- 16:30UT - Yg module will not fit whole experiment (expected = 6.1TB, module = 6TB). Will need to be swapped over later. (Patrick)
- 16:30UT - Experiment started OK (Patrick)
- 15:30UT - Module changed at scan 0458- No scans jeopardised I don't think. Guy
at YG will send them both to Washington.
