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June 17, 2009 online meeting minutes

2009-06-17T15:56:17Z

129.57.82.234:

present: Sergey Boyarinov, Sergey Pozdnyakov, Ben Raydo, Volker Burkert, Latifa, vpk

1. CLAS12 trigger

ctof splitter (SSP)
busy ?
back plane 15ns clock
reshape tdc pulses in MUX
control for MUX boards
channel masks
prevent current/noise from muxes without power, or from disconnected wires etc

2. Summer tasks:

* work on CLAS12 projects: JLAB discriminator testing, trigger development

* BONUS readout: croctest5 is configures as PC under scientific linux with TI and BONUS cards, software to be installed and debugged

* CLAS CODA reliability improvements

* finish CAEN HV SY1527/A1535 commissioning

* continue migration to the EPICS 3.14

June 17, 2009 online meeting minutes

2009-06-17T13:20:43Z

129.57.82.234:

present: Sergey Boyarinov,

CLON meeting June 17, 2009

2009-06-17T13:20:09Z

129.57.82.234:

Clas On-line Meeting, Wednesday, June 17 at 10am in Room A110
------------------------------------------------------------------

1. CLAS12 trigger

2. Work on summer downtime

CLON Group Meetings

2009-06-17T13:19:11Z

129.57.82.234: /* 2009 */

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

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April 8, 2009 online meeting minutes

2009-04-08T14:50:54Z

129.57.82.234:

present: Sergey Boyarinov Sergey Pozdnyakov, Stepan Stepanyan, Ben Raydo, Carlos Salgado

1. LEMO connectors on FADC and DISCR requires corresponding cables from splitters. Splitters will have 'flat' connectors, so we need flat-to-lemo coaxial cable assemblies. We can use the same vendor as for DVCS. Preliminary 7 feet length. Sergey P. will provide old quotation.

2. SY1527 HV connectors: ask CAEN to assemble for us, waiting for possibility and quotation. In a meanwhile, will glue and test one.

3. Discr PRs will be submitted today.

4. DC2 and DC4 were equipped with new power supplies from WIENER. DC1, DC2, DC4, DC10 were added to SNMP-based reset, under testing.

5. Sergey P. testing FASTBUS and Lecroy HV boards; bad 1461N boards which triggered mainframe hungs was finally found. 1881 and 1877 boards under testing.

6. Sergey B. upgraded all Solaris machines (sparc and intel) by recent patches for Solaris 10 update 6. Linux RHEL4 to be upgraded (clon04 already done). New clon01 (intel-based) was installed again, trying to make all processes working.

7. Sergey B. made some improvements in coda_roc, it must be more stable in case of some vxWorks proceses crashed, they will be restarted on 'reset' command rather then 'roc_reboot'. Some infinite loop situations should not happen any more. May consider to check and restart tcpServer as well, and maybe make tcpServer to respond faster.

8. PMC 68-sub switch on SF was connected and configured for 4GBit uplink, have to test and do the same on FC.

9. Need voltage/current readout from snmp-based crates, and restore it for old FASTBUS supplies.

For upcoming run:

* fix HV connectors

* install new cage to clastrig2

* organize new IOC in Pie Tower for Lecroy mainframes

* make sure everything works on new clon01

* look again in 'roc_status' procedure to make sure it shows bad ROC, not infinite dots

April 8, 2009 online meeting minutes

2009-04-08T14:49:20Z

129.57.82.234:

present: Sergey Boyarinov Sergey Pozdnyakov, Stepan Stepanyan, Ben Raydo, Carlos Salgado

1. LEMO connectors on FADC and DISCR requires corresponding cables from splitters. Splitters will have 'flat' connectors, so we need flat-to-lemo coaxial cable assemblies. We can use the same vendor as for DVCS. Preliminary 7 feet length. Sergey P. will provide old quotation.

2. SY1527 HV connectors: ask CAEN to assemble for us, waiting for possibility and quotation. In a meanwhile, will glue and test one.

3. Discr PRs will be submitted today.

4. DC2 and DC4 were equipped with new power supplies from WIENER. DC1, DC2, DC4, DC10 were added to SNMP-based reset, under testing.

5. Sergey P. testing FASTBUS and Lecroy HV boards; bad 1461N boards which triggered mainframe hungs was finally found. 1881 and 1877 boards under testing.

6. Sergey B. upgraded all Solaris machines (sparc and intel) by recent patches for Solaris 10 update 6. Linux RHEL4 to be upgraded (clon04 already done). New clon01 (intel-based) was installed again, trying to make all processes working.

7. Sergey B. made some improvements in coda_roc, it must be more stable in case of some vxWorks proceses crashed, they will be restarted on 'reset' command rather then 'roc_reboot'. Some infinite loop situations should not happen any more. May consider to check and restart tcpServer as well, and maybe make tcpServer to respond faster.

8. PMC 68-sub switch on SF was connected and configured for 4GBit uplink, have to test and do the same on FC.

For upcoming run:

* fix HV connectors

* install new cage to clastrig2

* organize new IOC in Pie Tower for Lecroy mainframes

* make sure everything works on new clon01

* look again in 'roc_status' procedure to make sure it shows bad ROC, not infinite dots

April 8, 2009 online meeting minutes

2009-04-08T14:39:05Z

129.57.82.234:

April 8, 2009 online meeting minutes

2009-04-08T14:30:24Z

129.57.82.234:

April 8, 2009 online meeting minutes

2009-04-08T13:42:56Z

129.57.82.234:

present: Sergey Boyarinov

CLON meeting April 8, 2009

2009-04-08T13:42:04Z

129.57.82.234:

Clas On-line Meeting, Wednesday, April 8 at 10am in Room A110
------------------------------------------------------------------

1. Downtime work progress

2. Upcoming run preparations

CLON Group Meetings

2009-04-08T13:41:34Z

129.57.82.234: /* 2009 */