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Mark5C

This document provides an overview of the discussions and updates shared during the US VLBI Technical Meeting in Socorro regarding the Mark5C data recording service, including the availability of version 0.9.4, new features, bug fixes, and the upgrade process.

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Mark5C

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  1. Mark5C Chet Ruszczyk 11/1/11 US VLBI Technical Meeting, NM

  2. Mark5C 10G DB Test Summary US VLBI Technical Meeting, Socorro

  3. DRS Overview • DRS – vlbi Data Recording Service • Version 0.9.4 available • Features • 2Gbps • Bank Mode • Mark5B emulation mode • Uses SDK 9.1 • Many bug fixes / enhancements • Bank swapping using key switches • Interaction with NRAO MIB • Enhanced command variable checking US VLBI Technical Meeting, Socorro

  4. DRS Overview (cont) • Software Packages • streamstor_9.1-i386.deb • ss_1.3-1-i386.deb • drs_0.9.4-1-i386.deb • The files are on: ftp://gemini.haystack.mit.edu/pub/car/LatestDebPackages/ US VLBI Technical Meeting, Socorro

  5. DRS Overview (cont) • Documentation • User Manual • How to use • Changelog • new features • bug fixes • Flashing of Amazon card • Command Set US VLBI Technical Meeting, Socorro

  6. DRS Overview (cont) • Documentation (cont) • Upgrade of 5B+ to 5C • memo series draft • under verification from independent sources • Lenny installation images and documentation • under verification from independent sources • New Utilities • Walter Brisken’s • Wrote a number of utilities for Mark5C • These will be included in the next utilities deb packaging • SDK 9.1 US VLBI Technical Meeting, Socorro

  7. Mark5B+ Rev 4 Clarification • Email sent out by • Ed Himwich, Dan Smyth • Concerning Rev 4 boards required for SATA disk modules • If you do have a Conduant Amazon StreamStor board in your Mark 5 with a S/N lower than 2690, and if it does not have a "Rev. 4" sticker, then it needs a hardware upgrade. • Clarification • Any board with the following version number DOES NOT REQUIRE RESISTER MODIFICATIONS • 3.5 • 3.05 • 3.4 • Conduant will send NRAO pictures / more information US VLBI Technical Meeting, Socorro

  8. Next Steps • DRS • Version 0.9.5 (sdk9.1) • Vdifsupport / Bank Mode • Bug fixes • Record = on issued back to back • Termination of application while recording • Version 0.9.6 (sdk 9.2) • Version 1.0 • Dual bank mode support • 4Gbps • Vdif • Expected end of December US VLBI Technical Meeting, Socorro

  9. Mark5’s and SDK9.X • Mark5A/5B/5B+ • Application converted to support SDK9 • Large disk support • 2 TB • Bug fixes • Disk2net, Disk2file, Net2disk • Ability to turn off the real time option to disk modules • Seen as fill pattern in the data • Support for > 1024 scans • Initial verification completed • Correlatorverification under test US VLBI Technical Meeting, Socorro

  10. Mark5’s and SDK9.X • Main hurdle for Mark5B+ • XLRReadErrors • Reading data form the disk immediately after recording failed with XLRReadErrors • Data was still valid just not accessible • Known workaround exists • scan_set command • Conduant has firmware patch • to be released with SDK9.2 US VLBI Technical Meeting, Socorro

  11. SDK 9.2 • Official version was due out 10/31 • Unable to meet the deadline • Conduant has a beta version of 9.2 available • Estimate of the final version delivery • 11/14/2011 • Testing of the beta version will begin • Focus on XLRReadError • Changelog made no mention of this firmware fix being included in the final version • Clarification has been sent to Conduant US VLBI Technical Meeting, Socorro

  12. Next Steps • If SDK 9.2 fixes the problems • Release new version of Mark5A / 5B / 5B+ application • Documentation • Upgrade process • Command Set • New features US VLBI Technical Meeting, Socorro

  13. Thank you / Questions? US VLBI Technical Meeting, Socorro

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