NEC Express5800/R110f-1E Manuel d'utilisateur télécharger pdf (Page 72)

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.

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NEC Express5800/R110f-1E Manuel d'utilisateur Page 72

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