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Administrator's Reference

AIXASYNCIO

This option allows the Tivoli Storage Manager server to use the asynchronous input/output (AIO) support provided on AIX. AIO enhances system performance by allowing individual non-contiguous I/O requests to be gathered together into one request and written to disk in parallel. We recommend that you refer to the AIX documentation for details about AIO before using this option. The default is for AIXASYNCIO not to be enabled.

Note:
AIO is not enabled by default on the AIX operating system. If you want to use the AIO feature, you must first enable it on the operating system and reboot.

If this server option is specified but AIO has not been enabled on the operating system, an error message will be displayed on the server console. The standard I/O method will be used instead. If the option is not specified in the server options file, the server behaves as if No was specified.

Syntax

>>-AIXASYNCio--+-YES-+-----------------------------------------><
               '-NO--'
 
 

Parameters

YES
Specifies that the Tivoli Storage Manager server will use Asynchronous I/O.

NO
Specifies that the Tivoli Storage Manager server will not use Asynchronous I/O.

Examples

To enable the use of AIXASYNCIO:

aixasyncio yes


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