||Oracle Tips by Burleson
Disk I/O Tuning
Traditional disk drive communications occur in a channel environment
where the host controls the devices attached to it. The primary
requirement for channel environments is to provide error-free
delivery, at the bit level, with transfer delays being a secondary
Networks are designed to allow many devices to communicate with each
other as desired. This usually involves software support to route
transactions to the correct provider and to verify access
permission. Networks are generally used for transferring data with
“error-free delivery” and voice and video where “delivery on time”
is the primary requirement with error-free delivery being a
secondary consideration. For example, when transferring video, it is
more important to provide on-time delivery of data to prevent loss
of video frames than to lose one or two pixels in a video frame.
The above text is
an excerpt from:
Oracle Disk I/O Tuning
Disk IO Performance & Optimization for Oracle
by Mike Ault
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