Iometer User’s Guide Version 1.1.0 Iometer project, iometer-[user|devel]@lists.sourceforge.net Information in this document is provided in connection with Intel products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Intel’s Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not intended for use in medical, life saving, or life sustaining applications. Intel may make changes to specifications and product descriptions at any time, without notice. Copyright © Intel Corporation 1996-1999. *Third-party brands and names are the property of their respective owners. Table of Contents 1. Introduction....................................................................................6 1.1 About this Document................................................................................... 6 1.2 About Iometer.............................................................................................. 6 1.3 What's new?................................................................................................ 7 1.4 System Requirements................................................................................. 7 1.5 Obtaining Iometer........................................................................................ 7 1.6 License Agreement..................................................................................... 7 1.6.1 Bug Reports and Feature Requests................................................. 8 1.6.2 Use of Iometer Results..................................................................... 8 2. Installing Iometer........................................................................... 8 3. Running Iometer............................................................................ 8 4. Quick Start ...................................................................................10 5. Using Iometer...............................................................................13 5.1 Toolbar — Introduction.............................................................................. 14 5.2 Status Bar — Introduction......................................................................... 15 5.3 Topology Panel — Introduction................................................................. 16 5.4 Disk Targets Tab — Introduction.............................................................. 17 5.5 Network Targets Tab — Introduction........................................................ 19 5.6 Access Specifications Tab — Introduction................................................ 21 5.7 Edit Access Specification Dialog — Introduction......................................23 5.8 Results Display Tab — Introduction.......................................................... 25 5.9 Presentation Meter Dialog — Introduction................................................ 27 5.10 Test Setup Tab — Introduction............................................................... 28 5.11 Save Test Configuration File — Introduction.......................................... 30 5.12 Open Test Configuration File — Introduction.......................................... 31 6. Toolbar — Reference .................................................................33 7. Status Bar — Reference..............................................................35 8. Topology Panel — Reference..................................................... 36 9. Disk Targets Tab — Reference...................................................38 9.1 Targets...................................................................................................... 38 9.2 Maximum Disk Size................................................................................... 39 9.3 Starting Disk Sector.................................................................................. 40 9.4 # of Outstanding I/Os................................................................................ 40 9.5 Test Connection Rate............................................................................... 40 10. Network Targets Tab — Reference.......................................... 42 10.1 Targets.................................................................................................... 43 10.2 Network Interface to Use for Connection................................................ 44 10.3 Max # Outstanding Sends....................................................................... 45 10.4 Test Connection Rate............................................................................. 45 11. Access Specifications Tab — Reference................................46 11.1 Global Access Specifications List........................................................... 46 11.2 Assigned Access Specifications List....................................................... 47 11.3 Access Specifications Buttons................................................................ 48 12. Edit Access Specification Dialog — Reference...................... 49 12.1 Name....................................................................................................... 49 12.2 Default Assignment................................................................................. 50 12.3 Access Specification Lines...................................................................... 50 12.4 Transfer Request Size............................................................................ 50 12.5 Percent of Access Specification.............................................................. 50 12.6 Percent Read/Write Distribution.............................................................. 51 12.7 Percent Random/Sequential Distribution................................................ 51 12.8 Burstiness............................................................................................... 52 12.9 Align I/Os On........................................................................................... 52 12.10 Reply Size............................................................................................. 52 12.11 OK and Cancel...................................................................................... 53 13. Results Display Tab — Reference............................................54 13.1 Results Since.......................................................................................... 54 13.2 Update Frequency................................................................................... 55 13.3 Bar Charts............................................................................................... 55 13.4 Selecting a Manager or Worker for Display............................................ 56 13.5 Selecting a Statistic for Display............................................................... 56 14. Presentation Meter Dialog — Reference.................................59 14.1 Meter....................................................................................................... 59 14.2 Result to Watch....................................................................................... 59 14.3 Range...................................................................................................... 60 14.4 Show Trace............................................................................................. 60 14.5 Test Controls........................................................................................... 60 15. Test Setup Tab — Reference.................................................... 61 15.1 Test Description...................................................................................... 61 15.2 Run Time................................................................................................. 61 15.3 Ramp Up Time........................................................................................ 62 15.4 Number of Workers to Spawn Automatically..........................................62 15.5 Record Results........................................................................................ 62 15.6 Cycling Options....................................................................................... 62 15.7 Workers................................................................................................... 66 15.8 Targets.................................................................................................... 66 15.9 # of Outstanding I/Os.............................................................................. 66 16. Save Test Configuration File – Reference..............................67 16.1 Iometer.icf............................................................................................... 67 16.2 Settings to Save...................................................................................... 67 16.3 Test Setup Tab Settings.......................................................................... 68 16.4 Results Display Tab Settings.................................................................. 68 16.5 Global Access Specification List............................................................. 68 16.6 Managers and Workers..........................................................................