Heavy WIO

From: paulose kutty (paulosekutty@hotmail.com)
Date: Tue Nov 18 2003 - 05:00:59 EST

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Hi all,
        We are using sun4800 as DB server ( Oracle). Sun storedge T300 ( 4 Numbers
ie 36 * 36 GB disks ) is used as storage array. It has two I/O controllers.
Now the DB server is showing heavy %wio in sar reports. How do I know
whether heavy %wio is due to controller contention or due to Disk (T300
contention). What are the system level reports available to identify the
problem

Thanks in advance

Regards

Poulosekutty

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