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Physical Devices used for Logical Drives

Physical Devices of lower Physical Device Numbers are used preferentially for Logical Drives to be created

excluding those for making Hot Spares.

Ex. : If Physical Devices 1 - 7 can be used for Easy Configuration, Logical Drives #1 is created with Physical

Devices 1, 2, and 3 in the ascending order of Physical Device Numbers and Logical Drives #2 is created with

Physical Devices 4, 5, and 6. Physical Device 7 (the largest number) is used as a Hot Spare.

Figure 16 Assigning Physical Devices in Easy Configuration 1

If more than one Logical Drive are created and the number of Physical Devices configuring a Logical Drive is

not equal to others, a larger number of Physical Devices should be assigned to a Logical Drive having a

smaller logical number.

Ex.: If Physical Devices 1 - 7 can be used for Easy Configuration and two Logical Drives are created, Logical

Drives #1 and #2 are created with four Physical Devices 1 - 4 and three Physical Devices 5 - 7, respectively.

Physical

Device 1

Physical

Device 2

Physical

Device 3

Physical

Device 4

Physical

Device 5

Physical

Device 6

Physical

Device 7

Hot Spare

Logical

Drive #1

Logical

Drive #2

Logical

Drive #1

Logical

Drive #2

Physical

Device 7

Physical

Device 6

Physical

Device 4

Physical

Device 5

Physical

Device 3

Physical

Device 2

Physical

Device 1

Figure 1

7 Assigning Physical Devices in Easy Configuration 2

Physical Devices in which S.M.A.R.T. errors are detected cannot be used to create Logical

Drives.

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 134 135

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