asyncdsk Driver Kernel Tunable max_async

The asyncdsk driver provides interfaces to perform asynchronous reads/writes to disk devices.

Summary of Change

What’s New for Customers Migrating from HP-UX 11i v1 September 2005?

The following are the changes for HP-UX 11i v3:

The max_async_ports is now a dynamic tunable.
The default value is changed to 4096 and the maximum value of this tunable is 4194304.

What’s New for Customers of HP-UX 11i v2 June 2006?

See “What’s New for Customers Migrating from HP-UX 11i v1 September 2005?”

Impact

In earlier releases the tunable value change required a system reboot. With HP-UX 11i v3, as this is a dynamic tunable, the tunable value can be changed without a reboot.

Compatibility

There are no known compatibility issues.

Performance

There are no known performance issues.

Documentation

The documentation for this tunable can be found in the man(5) manpage. A man max_async_ports will provide information on this tunable.

Obsolescence

Not applicable.

asyncdsk Driver Kernel Tunable max_async_ports

Technical documentation

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