Advancing the Science of Test Solutions

Focused on advancing test solutions, this platform by SAS strives to enhance scientific understanding and drive innovation in the field. It offers insights, tools, and resources for researchers, developers, and stakeholders to optimize testing processes and outcomes through data-driven approaches and advanced technologies. Stay updated with the latest trends and best practices to propel your testing initiatives forward.

• Science
• Test Solutions
• Innovation
• Data-driven
• Technology

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Uploaded on Feb 16, 2025 | 0 Views

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Presentation Transcript

1. SAS Platform Specs Advancing the Science of Test Solutions

2. SAS Overview TeraSci Designed all hardware and software SAS platform is part of a larger software eco-system See TeraSci infrastructure slide for details SAS System has been deployed for over 15 years SAS System has tested over 750,000 drives SAS System has been deployed at over 25 WW sites SAS System currently supports multiple vendors Very Flexible design Fast and easy upgrades for process flow and data collection Advancing the Science of Test Solutions

3. SAS Hardware SAS System has 2 major components SAS Ready Check (RC) Preliminary Functional check Scan drive label and tracking info Firmware Updates Quick disposition for initial failing units SAS Test Rack 16 Port Fully asynchronous testing Performs extended test functions Performs full Data Sanitation Ports support: All SAS Form Factors with or without trays Advancing the Science of Test Solutions

4. SAS Software Linux Based test solution All test software is 100% developed in house Linux is Debian based distribution We have one test program that supports all of our platforms A single software package and architecture means All platforms share a large amount of common code Data structures are common easy to manage Database upload / download has a single interface TeraSci Parametric tables are text based and easy to understand Code updates are faster to deploy and easier to debug Advancing the Science of Test Solutions

5. SAS Ready Check 2 port SAS test platform All drives enter the SAS process via Ready Check Operator inspects drive (VMI) and scans the label Collects 1 to N scans at minimum collects drive serial # Initial functional Check Drive Inserted / Power On / No DC shorts Read all drive tables ID / Cap / Vital / Mode / Log Pages Check and update FW if required Reset Mode pages to saved vales (optional) Set Mode pages to customer required values (optional) Advancing the Science of Test Solutions

6. SAS Ready Check Check for any failures & Fail the drive For conditional good drives Build an electronic traveler and save to the drive Build a DB record for Pass or Fail drives (upload to the DB) Inform the operator of the disposition Drive Failed Drive is READY for the long test Drive is on Hold (engineering) Operator extracts the drive from RC station Operator routes the drive to required disposition Advancing the Science of Test Solutions

7. Ready Check Picture of SAS RC station Advancing the Science of Test Solutions

8. SAS 16 Port Long Test Drives that pass Ready Check go to the test rack Operator selects an open test port and inserts the drive Operator starts the selected port System launches a new instance of the test program for the selected port Configuration flags and the hardware select the SAS software process Each port is running a unique instance of the test program With 16 drives 16 test programs are running If a bad drive Locks Up the software only 1 drive is affected Ready Check has eliminated 90% of the troublesome drives Port efficiency is improved Drives that reach the long test have a higher probability of Passing Advancing the Science of Test Solutions

9. SAS 16 Port Long Test The software instance for each drive controls the Port Power Each port has its own Power FETs and DC monitoring Drives are powered OFF when inserted or extracted At Power On voltage is monitored for DC shorts (safety) DC short is an immediate failure Each port has its own Health Monitoring file After Power On the test software check drive status If the status is terminal the drive fails immediately Many status issues can be resolved and test continues When the status is good the process continues Advancing the Science of Test Solutions

10. SAS 16 Port Long Test The test software reads All of the drive info > ID / Cap / Vital / Mode / Logs All of the TeraSci parametric tables The TeraSci test traveler (built at RC) This information configures the test software to proceed The drive info defines capacity and HDD or SSD type The Test Traveler defines the script steps (HDD or SSD dependent) The TeraSci parametric tables program around drive quirks Advancing the Science of Test Solutions

11. SAS 16 Port Long Test Picture of SAS Long Test Advancing the Science of Test Solutions