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Lund Performance Solutions


SOS File System I/O Summary

The File System I/O Summary Screen

The File System I/O Summary screen displays a tabular summary of I/O activity for each file system




Figure 16.1 SOS File System I/O Summary screen
To access the File System I/O Summary screen from any SOS display screen:
  • Type s from the SOS Enter command: prompt to view the Screen Selection Menu screen.
  • From the Screen Selection Menu screen, enter f (File System I/O Summary). The File System I/O Summary screen will display. Figure 16.1 shows an example of the screen.
  • File System I/O Summary Screen Display Items

    FILE SYSTEM I/O SUMMARY

    The data items presented in the File System I/O Summary screen are described in the following table.
    Table 16.1
    Data Item
    Description
    File System
    The mount points from the file system.
    Log Rd (/s)
    The number of logical reads from the file system per second (see "logical I/O").
    Log Wr (/s)
    The number of logical writes to the file system per second.
    Physical Read/s
    The number of physical reads from the file system per second (see "physical I/O").
    Physical Write/s
    The number of physical writes from the file system per second.
    SOS FILE SYSTEM I/O SUMMARY data items

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