Internal Drive - NEC Express5800 A2040b Configuration Manual

CONFIGURATION GUIDE

■Internal Drive

Internal Drive: Priority/Order of Installation
At the initial server delivery, internal drives are installed with the following priority/order. If the ordered
configuration is not in the scope of the rule, the drive will be delivered as not configured.
Front View (lower)
◆1x RAID Controller
・Slot 0 => Slot 1 => Slot 2 => Slot 3 => Slot 4 => Slot 5 => Slot 6 => Slot 7
◆2x RAID Controller

For the 1
・Slot 0 => Slot 1 => Slot 2 => Slot3

For the 2
・Slot 4 => Slot 5 => Slot 6 => Slot 7
However, the 2
server delivery.
Conditions to Mix Internal Drives

Mixing SSDs with different capacity or mixing HDDs with the same rotation speed is supported in the
BTO configuration.

Mixing HDDs with different rotation speed and mixing HDD and SSC is NOT supported in the BTO
configuration.


Cannot mix within the same RAID group (pack)

When defining hot spare disk under mixed drive configuration, need to set Dedicated Hot Spare per
RAID group. Global Hot Spare is not available.

Please refer to the following for further details.
With different internal drives

For 1x RAID Controller, 2 kinds of HDDs or HDD/SSD can be mixed.

When SSD/HDD mixed, SSDs are installed first according to the above priority/order, then HDDs
are installed in the remaining drive bays.

When SSDs with different capacity are mixed, larger SSDs are installed first.

When HDDs with different rotation speed, higher speed HDDs are installed first. If the speed is
the same, smaller capacity HDDs are installed first.
NEC Corporation
–
NEC Express5800/A2040b, A2020b, A2010b, A1040b
Slot 0 Slot 2
Slot 3
Slot 1
st
RAID Controller
nd
RAID Controller
nd
RAID Controller and the drives under the controller are not installed (configured) at the
Revision 7.0 – December 2014
Slot 6
Slot 4
Slot 7
Slot 5
57