OpenSolaris Troubleshooting – The Unofficial Tourist Guide

I had the pleasure of presenting to the London OpenSolaris User Group (LOSUG) in June. The topic was OpenSolaris Troubleshooting – The Unofficial Tourist Guide.

My experience of debugging problems on non-Solaris systems was one of ‘I know what I want to do, but I don’t know how they do it’, which led me to paraphrase the famous LP Hartly quote, “Diagnosing problems on unfamiliar operating systems is a foreign country: they do things differently there”.

It also wanted to link the essence of good troubleshooting to the practical details of getting the data. I’m an Sun Global Resolution Troubleshooting (SGRT) programme leader – which is Sun’s implementation of the Kepner-Tregoe processes. Linking the abstract troubleshooting process to gathering actual useful data is one of the trickier aspects when it comes to teaching SGRT.

Suffice to say, OpenSolaris has a rich set of diagnostic tools – not just DTrace – and this talk covers the ones I use regularly.

The PDF of the presentation, which includes an update to the slides on how dbx and mdb deal with core files from other systems, is available on the LOSUG OpenSolaris pages.

It’s a presentation I plan to keep updated so if you have any comments please let me know.

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