NEC Express5800/R110f-1E User Manual download pdf (Page 74)

Making Hot Spares by Easy Configuration

This section describes the information on Hot Spares to be made by the Easy Configuration.

Number of Hot Spares

The number of Hot Spares is defined by the number of unused Physical Devices connected to the RAID

Controller and the number of Physical Devices used for Logical Drives. The number of Hot Spares results from

subtracting [Number of Physical Devices specified for Logical Drives] from [Unused Physical Device count] in

step 2/3 of the [Easy Configuration...] wizard of RAID Viewer or "econfig" command of raidcmd.

The maximum number of Hot Spares that can be created is 8 for N8103-109/128/134/135

RAID Controllers.

Easy Configuration will fail if you leave more than 8 Physical Devices for Hot Spares.

Physical Devices used as Hot Spares

Physical Devices of larger capacities are preferentially used as Hot Spares.

Ex.: For the example shown below, Physical Devices 1 - 7 can be used in Easy Configuration to make two Hot

Spares. Use Physical Devices 5 and 6 of larger Physical Device Numbers among the three Physical Devices

as Hot Spares.

Physical

Device 1

100GB

Physical

Device 2

100GB

Physical

Device 3

100GB

Physical

Device 4

100GB

Physical

Device 5

100GB

Physical

Device 6

100GB

Physical

Device 7

100GB

Hot Spare

Figure 1

9 Assigning Hot Spares in Easy Configuration

Physical Devices in which S.M.A.R.T. errors are detected cannot be used to make Hot Spares.

1 2 ... 69 70 71 72 73 74 75 76 77 78 79 ... 134 135

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NEC Express5800/R110f-1E User Manual Page 74