CLONWiki - User contributions [en]

June 10, 2009 online meeting minutes

2009-06-10T14:25:34Z

129.57.80.127:

present: Sergey Boyarinov, Sergey Pozdnyakov

1. CAEN HV A1535: two channels were moved from 'dead' board to two boards with bad channels, it helped, will calibrate them when calibration equipment will be available; our attempt to upgrade A1535 to use internal clock does not succeeded, board does not shows up in mainframe; asked CAEN for advise, may need to send it to CAEN

CAEN SY527: two mainframes shows fan failure error, will replace fans and see if it helps (last time it was done by Denny Insley, will talk to him)

2. Logs and database: old logs/database programs were checked and fixed, it works now; database is being updated for runs with 'end failed' condition; old runs were processed and inserted into database as well; log programs description can be found at [[Runlog]] page

June 10, 2009 online meeting minutes

2009-06-10T14:18:57Z

129.57.80.127:

present: Sergey Boyarinov, Sergey Pozdnyakov

1. CAEN HV A1535: two channels were moved from 'dead' board to two boards with bad channels, it helped, will calibrate them when calibration equipment will be available; our attempt to upgrade A1535 to use internal clock does not succeeded, board does not shows up in mainframe; asked CAEN for advise, may need to send it to CAEN

SY527: two mainframes shows fan failure error, will replace fans and see if it helps

2. Logs and database: old logs/database programs were checked and fixed, it works now; database is being updated for runs with 'end failed' condition; old runs were processed and inserted into database as well; log programs description can be found at [[Runlog]] page

June 10, 2009 online meeting minutes

2009-06-10T13:55:57Z

129.57.80.127:

present: Sergey Boyarinov

1. CAEN HV A1535

SY527

2. Logs and database: old logs/database programs were checked and fixed, it works now; database is being updated for runs with 'end failed' condition; old runs were processed and inserted into database as well; log programs description can be found at [[Runlog]] page

June 10, 2009 online meeting minutes

2009-06-10T13:55:39Z

129.57.80.127:

June 10, 2009 online meeting minutes

2009-06-10T13:55:20Z

129.57.80.127:

June 10, 2009 online meeting minutes

2009-06-10T13:54:33Z

129.57.80.127:

CLON meeting June 10, 2009

2009-06-10T13:49:13Z

129.57.80.127:

Clas On-line Meeting, Wednesday, June 10 at 10am in Room A110
------------------------------------------------------------------

1. HV status

2. Logs and database update procedures

CLON Group Meetings

2009-06-10T13:47:48Z

129.57.80.127: /* 2009 */

[[CLON meeting December 13, 2006]] >>>>> [[December 13, 2006 online meeting minutes]]

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== 2008 ==

[[CLON meeting January 16, 2008]] >>>>> [[January 16, 2008 online meeting minutes]]

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== 2009 ==

[[CLON meeting January 21, 2009]] >>>>> [[January 21, 2009 online meeting minutes]]

[[CLON meeting January 28, 2009]] >>>>> [[January 28, 2009 online meeting minutes]]

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[[CLON meeting April 22, 2009]] >>>>> [[April 22, 2009 online meeting minutes]]

[[CLON meeting May 6, 2009]] >>>>> [[May 6, 2009 online meeting minutes]]

[[CLON meeting May 20, 2009]] >>>>> [[May 20, 2009 online meeting minutes]]

[[CLON meeting June 3, 2009]] >>>>> [[June 3, 2009 online meeting minutes]]

[[CLON meeting June 10, 2009]] >>>>> [[June 10, 2009 online meeting minutes]]

May 20, 2009 online meeting minutes

2009-05-20T14:31:13Z

129.57.80.127:

present: Sergey Boyarinov, Sergey Pozdnyakov

1. HV

* one of the TOF Lecroy mainframes was replaced by TOF team, spare was takes from the counting house; will not send broken Lecroy mainframe to repair yet to save money, upgrade needed and it will cost about $7000; 3 boards were moved from the hall to the test setup, 2 of them seems fine (one of them had tilted pin in bus connector); need better organized HV repair procedure, last time 4 boards were broken in a process in counting house test setup, need a meeting with all personal involved

* glued patch panels seems working fine, will use that method in future; 2 channels in 2 A1535 boards were broken and will be repaired; will ask Chris to repair and check calibration; if calibration is bad then will send it to CAEN; third board (unvisible in mainframe) will be stripped, and then send to CAEN

* continue to work with CAEN on SY1527/A1535 16-slot problem

2. DAQ:

* polar readout was changed, scaler opens in first event now (was in Go), does not crash on first event any more

* it was observed that if ROCs running for the long time (week and more) they must be rebooted, otherwise they starting to crash one after another, need to understand the reason; in a meanwhile will run 'net' only on PMCs, will see if it cost by 'net' or 'proc'

* sc2 is crashing about once per shift, under investigation

* disconnected front-end-busy cable from SF to FC was disconnected on the floor, it cost missing gate errors in DC crates; cable was labeled and connected

* 'mysql not available' error was observed in runcontrol, also all rocs reboot sometimes cost database to not respond fast enough, need to investigate

3. Run database

* run_log_restore program is ready, it will restore 3 ascii files in $CLON_PARMS area, which will be used to update database; will create a cron job to extract files from SILO and scan them one by one; 2 copies will be run: on clondaq2 to restore new files from raid, and on clonmon1 to restore old files from SILO

CLON meeting May 20, 2009

2009-05-20T13:12:42Z

129.57.80.127:

Clas On-line Meeting, Wednesday, May 20 at 10am in Room A110
------------------------------------------------------------------

1. Current run status

* HV repairs

* DAQ problems

* run database recoveries

CLON Group Meetings

2009-05-20T13:09:28Z

129.57.80.127: /* 2009 */

April 22, 2009 online meeting minutes

2009-04-22T14:23:26Z

129.57.80.127:

present: Sergey Boyarinov, Sergey Pozdnyakov

1. SY1527 HV connectors: one patch panel was repaired, board replaced, works so far; another patch panel (rejected by RADIALL) came back, will be repaired by Armen; new patch panel in assembly by Armen using pins glueing, will be tested when ready

2. DC1-DC4, DC7-DC10 equipped with new WIENER power supplies thanks to Mark and Armen, connected to the network, will change roc_reboot software accordingly

3. Spare equipment testing: 1877 finished, good boards (about 10) in blue cabinet, bad boards (about 10) in rack6; all Lecroy HV boards in mainframes are good, bad boards are stored near the wall; 3 good 1881 in cabinet, no bad 1881's; 4 good LAC HV boards in mainframes

4. ROCs and EB software fixes to make it more reliable, Sergey B. will monitor it and continue to improve

5. tcpServer in ROCs and IOCs will restart itself in case of trouble, it should help for example 'roc_status' script

6. clastrig2 cage still to be installed

7. clon01 seems fine except cron jobs, Sergey B. is looking at that problem

8. Main (upper) RAID unit turned itself off last week, we turn it back on and it works; reported to Paul Letta, will watch it

9. New IOC on Pie Tower for Lecroy HV still to be done

10. Necessary hardware was ordered for faster network between ROCs/PMCs and clondaq1/clondaq2, will install it on arrival during downtimes

11. Crates voltage readback still to be implemented/fixed

12. Test new silo - to do

13. Order new 50om and rj45-9pin transition pieces - to do

14. We have 4 good Lecroy HV mainframes, 3 in repair

On other issues:

* Sergey P. sent old ADC cable contacts to Stepan and Carlos

* Discr REQ was signed and in procurement

* 3 new OR modules arrived from Ed Jastrzembski, will install one in clontest10, others in CAEN TDC crates; (still without engraving !)

April 22, 2009 online meeting minutes

2009-04-22T14:21:56Z

129.57.80.127:

present: Sergey Boyarinov, Sergey Pozdnyakov

1. SY1527 HV connectors: one patch panel was repaired, board replaced, works so far; another patch panel (rejected by RADIALL) came back, will be repaired by Armen; new patch panel in assembly by Armen using pins glueing, will be tested when ready

2. DC1-DC4, DC7-DC10 equipped with new WIENER power supplies thanks to Mark and Armen, connected to the network, will change roc_reboot software accordingly

3. Spare equipment testing: 1877 finished, good boards (about 10) in blue cabinet, bad boards (about 10) in rack6; all Lecroy HV boards in mainframes are good, bad boards are stored near the wall; 3 good 1881 in cabinet, no bad 1881's; 4 good LAC HV boards in mainframes

4. ROCs and EB software fixes to make it more reliable, Sergey B. will monitor it and continue to improve

5. tcpServer in ROCs and IOCs will restart itself in case of trouble, it should help for example 'roc_status' script

6. clastrig2 cage still to be installed

7. clon01 seems fine except cron jobs, Sergey B. is looking at that problem

8. Main (upper) RAID unit turned itself off last week, we turn it back on and it works; reported to Paul Letta, will watch it

9. New IOC on Pie Tower for Lecroy HV still to be done

10. Necessary hardware was ordered for faster network between ROCs/PMCs and clondaq1/clondaq2, will install it on arrival during downtimes

11. Crates voltage readback still to be implemented/fixed

On other issues:

* Sergey P. sent old ADC cable contacts to Stepan and Carlos

* Discr REQ was signed and in procurement

* 3 new OR modules arrived from Ed Jastrzembski, will install one in clontest10, others in CAEN TDC crates; (still without engraving !)

CLON meeting April 22, 2009

2009-04-22T13:30:27Z

129.57.80.127:

Clas On-line Meeting, Wednesday, April 22 at 10am in Room A110
------------------------------------------------------------------

1. Upcoming run preparations

CLON Group Meetings

2009-04-22T13:30:05Z

129.57.80.127: /* 2009 */