Ganglia on OpenSolaris

As system administrators we need to have some essential info about our servers as a minimum requirement for our job, and identify patterns and obtain knowledge about trends in our workload. And, when we need to use Dtrace, MDB, or need to understand a FMA ereport... we do not ...
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image-1914
image-1914

PS3 (KEM-410 ACA)

The kids are happy again... after a few days without playing FIFA, GOW III, or GTAIV, now the PS3 it's working, finally. But that was a long story that i will make it short to maybe help others with the same problem. Seems to be a pretty normal scenario ...
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image-1885

Arithmetic exception

Ok, if you are a noob C programmer, you will find this post really fun, serious, it will make you LOL. If you are a noob, really noob 'XYZ' programmer, maybe you find it helpfull... maybe... no. You will LOL too... So, one more time we have a core file sitting ...
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Performance

These days i was working to understand a workload: random, many small files (e.g: web servers), running on NFS/ZFS environment. Interesting to see that the discs were really busy, a very heavy random workload, but a few NFS reads and writes requests. On top of it, an idle SSD as a ...
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