REG NASA-LLIS-1165--2001 Lessons Learned International Space Station (ISS) Multiple Element Integrated Testing (MEIT) Software Configuration Management.pdf

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1、Lessons Learned Entry: 1165Lesson Info:a71 Lesson Number: 1165a71 Lesson Date: 2001-02-01a71 Submitting Organization: HQa71 Submitted by: David M. LengyelSubject: International Space Station (ISS)/Multiple Element Integrated Testing (MEIT)/Software Configuration Management Description of Driving Eve

2、nt: Portable Computer System (PCS) Software is Not Developed Concurrently With Primary International Space Station (ISS) Flight Software Leading to Inadequate Multiple Element Integrated Testing (MEIT)Lesson(s) Learned: Due to the rapid pace of ISS assembly launches and the many and varied resulting

3、 configurations, Multi-Element Integration Testing (MEIT) with operational loads of Portable Computer System (PCS) software is limited and, in some cases, may only be accomplished in the brief time allocated for regression testing.Recommendation(s): Strive to accelerate scheduled releases for PCS so

4、ftware. Be prepared to delay schedules, if necessary, to assure that MEIT testing and astronaut training with the flight loads of PCS software are thorough and complete.Evidence of Recurrence Control Effectiveness: Code M - Concur: Every attempt is made to accelerate software releases where it can b

5、e done safely. For each test (MEIT, Stage, etc.), every effort will be made to ensure that the software is consistent with the requirements for the test. Schedules will be delayed where necessary to ensure that all necessary testing and training is conducted prior to launch.Provided by IHSNot for Re

6、saleNo reproduction or networking permitted without license from IHS-,-,-Documents Related to Lesson: N/AMission Directorate(s): a71 Space Operationsa71 Exploration SystemsAdditional Key Phrase(s): a71 Aerospace Safety Advisory Panela71 Configuration Managementa71 Information Technology/Systemsa71 P

7、olicy & Planninga71 Risk Management/Assessmenta71 Softwarea71 Test & VerificationAdditional Info: Approval Info: a71 Approval Date: 2002-03-18a71 Approval Name: Bill Loewya71 Approval Organization: HQa71 Approval Phone Number: 202-358-0528Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-