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SarCheck Version 6

Features: Version 6 is available for Linux x86. Version 7 is available for AIX, HP-UX, and Solaris. Here is a general summary of what we have added to SarCheck Version 6:

  • Multiday analysis of ps data. Thanks to the groups of SarCheck power users at our conferences in Chicago in 2002 and 2003 for their suggestions on this and other topics.
  • A more flexible and consistent directory structure (HP-UX and AIX). You now have the ability to put SarCheck in any directory you choose and we will put all files in the /opt/sarcheck directory by default. We will use the bin, etc, and doc subdirectories that people expect.
  • Automatic update of activation keys when software updates are installed. The installation of SarCheck updates is now much easier for customers with more than 5 or 10 licenses.
  • Production of graphs without any accompanying text. Many of you wanted to use SarCheck to produce graphs from gnuplot. While free tools like SARGE already exist, many of our licensees asked for this feature to be built into SarCheck.
  • Enhanced diagnostics. In order to reproduce a few of the most unlikely bugs, we've given ourselves the ability to see the exact command, get more information on the usage of SarCheck's internal data structures, etc. We have no intention of monitoring anything without your knowledge or adding spyware. The diagnostics will require your using a switch and sending us the output.
  • Enhanced detection of a memory shortage (AIX). We now collect information on the number of page ins and page outs to the paging spaces. This information is typically captured by sar but it is missing in the AIX implementation of sar. We get this data from vmstat -s and collect it along with ps -elf data.
  • A table of contents in the HTML report. We now provide a table of contents to help you quickly navigate the HTML output of SarCheck.
  • User-settable defaults for the date format. In addition to using the -dmy and -ymd switches, we now allow the default date format shown in SarCheck's output to be set in the sarcheck_parms file.
  • The location of graphs specified by the "src" attribute of <img> tags in the HTML output can be different than the physical location of the graphs. This makes it easier to put SarCheck's output directly on your intranet, web server, etc.

Development of SarCheck Version 7 for Linux is underway and Version 6 will be obsolete before the end of 2009.


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