||Oracle Tips by Burleson
Disk I/O Tuning
Tuning In Windows
: Disk Fragmentation on Windows
Figure 2-7 shows the report that goes along with the display
in figure 2-6.
: Example Windows 2000 Fragmentation Report
order to fix the above fragmentation, it took multiple passes
through the defragmentation routine provided by Windows 2000. The
first pass resulted in extreme freespace fragmentation, which would
have caused the first file that was written after defragmentation to
be fragmented! After 5 passes, the fragmentation was down to 12%,
after 9 passes, 10%, which seemed to be the best it could do,
leaving 21% of the files fragmented. Figure 2-8 shows the final
screen shot after optimization.
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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