NEC Express5800/R120d-2M Průvodce konfigurací stáhnout pdf (Strana 17)

CONFIGURATION GUIDE – NEC Express5800/R120d-2M

NEC Corporation Revision 1.0, March 2012 17

4 Internal Hard Disk Drives

4.1 RAID Configuration

Refer to the section in accordance with your disk form factor and RAID configuration.

Up to eight 2.5-inch Drives

Up to sixteen 2.5-inch Drives

NOTE:

 Up to four hard drives can be installed in the Embedded SATA configuration.

 Hot plug insertion/removal are not supported in the Embedded SATA configuration.

 An optional RAID controller occupies one PCI slot.

 All hard drives within a RAID array should be of the same capacity and rotation speed.

 Use the same rotational speed of the SAS Hard drives in one system.

 Up to two kinds of drives can be mixed in one system

 To configure a large-capacity RAID array, it is recommended to configure in RAID 6 or RAID 60 in

order to minimize the risk of becoming multiple hard drives failure during the RAID rebuilding process.

 It is recommended to set RAID array configuration drives less than eight in order to minimize the risk

of becoming multiple hard drives failure.

 SAS and SATA hard drives must be installed in separate drive groups.

Group #1 Group #2 Group #3 Group #4

512MB Cache

1GB Cache

512MB Cache

Refer to 4.2.1

Refer to 4.2.2

Refer to 4.2.3

Refer to 4.2.4

SATA

RAID 5/6/50/60

RAID 0/1/10

Non-RAID

Available Interface

SAS, SATA

RAID 5/6

512MB Cache

1GB Cache

512MB Cache

Refer to 4.2.5

Refer to 4.2.6

Refer to 4.2.7

RAID 0/1/10

SAS, SATA

SATA

Available Interface

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 39 40

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