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MECAR: 1.2 Second Ramp studies

Added by Kevin Martin about 3 years ago

When the first 1.2s $2A ramp was tried, MECAR ramped to around 4000A and then tripped off with a No Current Halt. We determined that the PS were not ramping up as they should have.

I remembered that some of the Real Time Events in MECAR have negative time offsets. Upon checking I realized that the Bend Bus Anticipation Event Offset was set to -50mSec. Because the initial DC section of the ramp has been shortened from 80mSec to 42mSec this means the this event doesn't even occur. This is bad.

As a test I shortened the Bend Bus Anticipation Event Offset to -40mSec. This seems to be working.

The quad bus's Anticipation Event Offset had a similar but opposite problem. The Quad Bus Anticipation Event Offsets were set to 69mSec. Because the PS are ramping earlier this was causing the Quad Bus Tier 0 to not turn on in time. I have set the Horz and Vert Anticipation Event Offsets to 10mSec. This seems to be working.

Fermi Redmine: Third Thursday AM patching reboot

Added by Marc Mengel about 3 years ago

Our Redmine host and our database are being patched:

This is a reminder that it's patching time again for ccdcvsvm, according to the agreed upon schedule.
Only a reboot is required. Downtime will be <30 minutes.
The system will be rebooted on Thursday, 10/20/16, at 7:00AM CDT.

This is a reminder that it's patching time again for fnalpgsprd, according to the agreed upon schedule.
Only a reboot is required. Downtime will be <30 minutes.
The system will be rebooted on Thursday, 10/20/16, at 06:30AM CDT.

Thanks,

Linux Server Support Group

HighLAND: Doxygen documentation available

Added by Anselmo Cervera about 3 years ago

A good fraction of the code is documented and this documentation appears in the html pages generated by Doxygen. HighLAND also comes with a set of Doxygen files explaining the features of the framework. This is the strategy adopted for T2K and is now being imported to DUNE. The web documentation generated by Doxygen is temporarily available at http://www.cern.ch/acervera/highland

SBND code: Retiring GPVM and BlueArc directory

Added by Gianluca Petrillo over 3 years ago

The GPVM lar1ndgpvm01 will be retired within days.
We have three GPVM named sbndgpvm0[1-3] as a replacement.
Also the mount point /lar1nd will be discontinued, and its replacement /sbnd has been available for a while.
Take this chance to check that you can write in your areas (/sbnd/{app,data}/users/${USER}), and that all the content is there. It should, since it has been copied!

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