NEC Express5800 A2040b Configuration Manual page 59

CONFIGURATION GUIDE
Standard RAID Configuration at the Initial Server Delivery
Standard RAID configuration for the same type of internal drives at the initial server delivery is as follows
RAID 50 and RAID 60 are not supported for BTO configuration
Controller
NE3303-168
or
NE3303-173
(Q'ty 1)
NE3303-168
or
NE3303-173
(Q'ty 2)
NOTE：

Up to 4 RAID group (pack) per server
nd

2 RAID Controller (and 5

Need to order same capacity/rotation speed drives in one group (disk array) for RAID configuration at
BTO configuration.

Initial settings of RAID Controller is as follows:

NE3308-168: Write Back (as Flash Backup Unit included)

NE3308-173: Wrhite Through (in case of no additional battery)
NEC Corporation
–
NEC Express5800/A2040b, A2020b, A2010b, A1040b
(reference section)
4.2.1
4.2.2
(up to 8 drives)
4.2.4
4.2.5
(Up to 4 drives)
th
and later HDDs under it): no RAID Configuration applied
・
When needing higher performance, recommend Write Back with additional battery.
Revision 7.0 – December 2014
# of Drive Standard RAID Configuration
1 RAID 0 (Q'ty 1)
2 RAID 1 (Q'ty 2)
RAID 1 (if the number of drive is odd, will set
3～8
one spare drive.)
1 RAID 0 (Q'ty 1)
2 RAID 1 (Q'ty 2)
3~4 RAID 1 (if the number of drive is odd, will set
one spare drive.)
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