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Disk Group

Nbr Drives

Raid

Approx Usable Space

Disk Group 1

8 * 300GB

5 (7+1)

1900GB

Disk Group 2

4 * 146GB

1+0

270GB

Disk Group 3

2 * 146GB

1+0

135GB

Disk Group 1

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With 8 * 300Gb drives in a Raid 5 configuration, there is approximately 1900GB of usable space. The server disks should partitioned as follows:

Partition

Approx. Size

Purpose

Mount point

1

20 GB

Operating System

 

2

20 GB

Paging

 

3

1400 GB

Database files

/u01 or c:/u01

Referred to below as $database

4

200 GB

Application installations and file data

/u02 or c:/u02

Referred to below as $app

5

100GB

Archive Log

/archive or C:/archive

Disk Group 2

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With 4 * 146Gb drives in a Raid 1+0 configuration, there is approximately 270GB of usable space. The server disks should be partitioned as follows:

Partition

Approx. Size

Purpose

Mount point

1

200 GB

Oracle Redo

/redo1

2

200 GB

Oracle Redo

/redo2

Disk Group 3

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With 2 * 146Gb drives in a Raid 1+0 configuration, there is approximately 135GB of usable space. The server disks should be partitioned as follows:

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