Fujitsu PRIMEQUEST 2000 Series Design Manual page 86

3.3.2 Guidelines for Selecting Internal Storage
RAID Cards or HDDs/SAS-SSDs in DUs and SBs
n
Item
Supported models
Number of RAID cards
Number of HDDs
When a Reserved SB
switching occurs
Intra-cabinet cluster
configuration
Connection Shared
source
IOU#0 DU#0
RAID#0
HDD #2/3
IOU#1 DU#0
RAID#1
HDD #0/1
IOU#2 DU#1
RAID#0
HDD #2/3
IOU#3 DU#1
RAID#1
HDD #0/1
PRIMEQUEST 2000 Series Design Guide
Installed in DUs
(shared between partitions)
2
Up to 2 per RAID card
Internal storage is automatically connected to the switched partition
The number of partitions that are used (up
to 2) must be stopped at the same time
when maintenance is being performed
Not shared
IOU #0 or 2
DU#0
RAID#0
HDD #0/1/2/3
DU#0
RAID#1
HDD #0/1/2/3
DU#1
RAID#0
HDD #0/1/2/3
DU#1
RAID#1
HDD #0/1/2/3
Installed in DUs
(not shared between
partitions)
All models
UP to 4
No partitions need to be stopped at the same time because
internal storage is not shared between the partitions
SB #m SB #n
IOU #1 or 3
(LDU#1)
RAID
RAID
card card
#0 #1
HDD#2 HDD#0
HDD#3 HDD#1
85
Installed in SBs
2400E, 2800E
1
Internal storage is isolated
(unavailable)
SB #m
IOU #0 or 2 IOU #1 or 3
DU DU
RAID
card
RAID
#0
card
#1
HDD#0
HDD#1
HDD#2
HDD#3
Copyright 2014 FUJITSU LIMITED
Up to 1
Up to 4
SB #n
RAID
card
RAID
#1
card
#0
HDD#0
HDD#1
HDD#2
HDD#3