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1 articles tagged "disk i/o stats"

• Linux display disk total statistics including time spent reading and writing data

  Most Linux admins are not aware of hidden switch (undocumented switch) called -D. The -D option display a nice summery of disk I/O subsystem since boot time. Output includes total time spent reading and writing data, merged reads and merged writes (kernel disk i/o optimization technique) and other parameters.

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