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Bogus analyze_system metering values on long-running modules

Published on September 29, 2010 By Paul Green

After your VOS or OpenVOS module has been up for a while (a few months or more), you may notice that some of the metering values displayed by various analyze_system requests have gone negative, or some of the percentages are way off. This is caused by the underlying integer counters overflowing; when this happens, they "wrap [...]

Aligning SVM Regions in POSIX and Non-POSIX Programs

Published on May 6, 2010 By Paul Green

I recently fielded a question from a VOS customer who wanted to know how to get his shared virtual memory regions to align between his legacy non-POSIX programs and his new, POSIX-based programs. This customer had used the create_data_object command to create several different shared virtual memory regions.  He had then used a bind control file [...]

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