![background image](http://html2.mh-extra.com/html/ibm/system-storage-ds4000/system-storage-ds4000_hardware-maintenance-manual_3312302056.webp)
Multi-MSCS No External Hubs
FC host adapter
FC host adapter
FC host adapter
FC host adapter
FC host adapter
FC host adapter
FC host adapter
FC host adapter
Clus1
Clus2
LD1
LD2
1
2
LD3
LD4
Clus1
Clus2
Notes : 2 partitions shown; Clus1 partition separate from Clus2 partition.
LD is a logical drive
3526
RAID Controller Unit
Ctrl
A
EXP10, 15 or 200
(up to 6 units)
Ctrl
B
Managed Hub/Switch
Managed Hub/Switch
Figure
16.
Type
3526
fibre
channel
RAID
controller
multi-MSCS
no
external
hubs
FC
Switches
Multi-MSCS extended
FC host adapter
FC host adapter
FC host adapter
FC host adapter
Notes :
- Each group of 4 ports on the switches (
) can support one cluster element (
)
red dash box
black dash box
- Storage partitioning is used to separate clusters
- Match performance needs of servers to max I/o available from 60 drives
- You may use some the switch ports to add 3526 units rather than hosts. Extending this to 16 port switches allows more of both
3526
RAID Controller Unit
Ctrl
A
EXP10, 15 or 200
(up to 6 units)
Ctrl
B
Figure
17.
Type
3526
fibre
channel
RAID
controller
multi-MSCS
extended
28
IBM
TotalStorage
DS4000:
Hardware
Maintenance
Manual
Содержание System Storage DS4000
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