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Lund Performance Solutions


SOS Swap Summary

The Swap Summary Screen

The Swap Summary screen displays information on system swap space utilization. Swap space is used for paging and deactivating.


Figure 18.1 SOS Swap Summary screen
To access the Swap 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 w (Swap Summary). The Swap Summary screen will display. Figure 18.1 shows an example of the screen.
  • Swap Summary Screen Display Items

    SWAP SUMMARY

    Table 18.1 SOS SWAP SUMMARY data items
    Data Item
    Description
    Total
    The total swap space (megabytes) configured for the system.
    Used
    The total amount of swap space (megabytes) used by all processes.
    Reserved
    The total amount of swap space (megabytes) reserved by all processes. When a process is created, it reserves enough space for itself to be completely paged-out in the swap space.
    Available
    The amount of swap space (megabytes) remaining that is not reserved.

    PER SWAP UTILIZATION

    The PER SWAP UTILIZATION portion of the Swap Summary screen displays information for each swap device and file system. Each data item is described in the next table.
    Table 18.2 SOS PER SWAP UTILIZATION data items
    Data Item
    Description
    Dev/Mount
    The device file or mount point for swap device or file system swap, respectively. If it is a memory swap, "PSEUDO" will be displayed.
    Type
    The type of swap:
  • DEV = device swap
  • MEM = memory swap
  • FS = file system swap
  • Size (mb)
    The amount of swap space (megabytes) configured for the device/file system.
    Used (mb)
    The amount of swap space used in the device/file system.
    Alloc (mb)
    The amount of file system swap space (megabytes) allocated. This value is not applicable to device or memory swap.
    Free (mb)
    The amount of swap space (megabytes) currently not used. This value differs from the Available data. The Free value is the amount not actually used. The Available value is the amount not reserved.

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