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How many control files do you create?

edited May 5, 2018 5:02AM in Database Administration (MOSC) 8 commentsAnswered

In this day of SAN storage where all the data presented to the database is from the same cluster of disks. How do you  lay out your datafiles?

How many control files do you have? How many redo log groups?

Do you have 4 mount points for your datafiles or 1 mount? For example.

do you have /u01/data/*.dbf, redo.cntrl ,tmp

or do you have multiple mount points?

/u01/data/*.dbf

/u02/data/*.redo

/u03/data/cntr

/u04/data/temp.

If all the volumes go to the same disks what is the point of having multiple volumes other than an easy way to look at them?

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