# How to enable AIO and DIO on rhel5 64bit?

**URL:** <https://community.unix.com/t/how-to-enable-aio-and-dio-on-rhel5-64bit/256872>\
**Category:** Red Hat\
**Created:** [January 5, 2010, 4:32am UTC](https://community.unix.com/t/how-to-enable-aio-and-dio-on-rhel5-64bit/256872 "2010-01-05T04:32:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![arumon](https://community.unix.com/letter_avatar/arumon/32/6_22734026db12803ebb3e059622ac3534.png) [@arumon](https://community.unix.com/u/arumon)\
**Post date:** [January 5, 2010, 4:32am UTC](https://community.unix.com/t/how-to-enable-aio-and-dio-on-rhel5-64bit/256872/1 "2010-01-05T04:32:39Z")

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Hi Friends,

Please help me to understand, how to enable async disk IO and Direct disk IO in ext3 filesystem on rhel5.

Regards,  
Arumon