Category Archives: Exadata

Some known bugs in Exadata X2-2 IB switches

After working on Exadata X2-2 for the last few months, here is something interesting that I discovered (but is already well known, as from here): 1. Bug 15715700 – world readable /etc/shadow.  Weird part now, is I can’t find this bug … Continue reading

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ZFS Backup appliance

Recently, I have the opportunity to learn and play with the Sun ZFS Backup appliance. It is a simple yet stupid appliance for doing certain marvelous backup for Oracle Exadata Machines.

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How to run exachk without root password – First Draft :D

There is 1 major concern (and security risk) of running exachk on the Oracle Exadata boxes – it required root password for the Database servers, Cell nodes, and the Infiniband Switches! Another concern is that the exachk script need to … Continue reading

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Sample Oracle Exadata Assessment Report generated by exachk

Due to the size of the report (2MB), I can’t really paste the whole output here. I will try to paste some of the interesting part of report as screen shots. Here is Summary: Scroll down and you will get … Continue reading

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Oracle Exadata healthcheck tool – exachk

exachk is a healthcheck tool from Oracle for their engineered system – Oracle Exadata Database Machine.  You can read more information in the MOS note – Oracle Exadata Database Machine exachk or HealthCheck [ID 1070954.1] According to the MOS note, exachk … Continue reading

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