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aio_prio_delta_max(5)					 aio_prio_delta_max(5)

NAME
       aio_prio_delta_max  - greatest delta (slowdown factor) allowed in POSIX
       async IO request priorities

VALUES
   Failsafe
   Default
   Allowed values
       The minimum value allowed is The maximum value allowed is

       Specify a positive integer value.

DESCRIPTION
       This parameter places a limit on how much the priority of a POSIX asyn‐
       chronous	 I/O  operation	 can  be reduced to slow it down.  This is the
       maximum priority-offset value allowed for in the asynchronous-I/O  con‐
       trol block structure

   Who Is Expected to Change This Tunable?
       System  administrators  that  run applications requiring heavy usage of
       POSIX AIO to file systems.

   Restrictions on Changing
       This tunable is dynamic (tuning will take  effect  immediately  on  the
       running system).

   What Other Tunables Should Be Changed at the Same Time as This One?
       None.

WARNINGS
       All HP-UX kernel tunable parameters are release specific.  This parame‐
       ter may be removed or have its meaning changed in  future  releases  of
       HP-UX.

       Installation of optional kernel software, from HP or other vendors, may
       cause changes to tunable parameter values.   After  installation,  some
       tunable	parameters may no longer be at the default or recommended val‐
       ues.  For information about the effects of installation on tunable val‐
       ues, consult the documentation for the kernel software being installed.
       For  information	 about	optional  kernel  software  that  was  factory
       installed on your system, see at

AUTHOR
       was developed by HP.

SEE ALSO
       kctune(1M), sam(1M), gettune(2), settune(2), aio(5).

			   Tunable Kernel Parameters	 aio_prio_delta_max(5)

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