Performance factors for HP ProLiant Serial Attached Storage (SAS)

16
P800 controller’s 3Gb, four-lane SAS port is saturated. Performance no longer increases with
additional drives.
Utilizing 6Gb technology, the P411 controller continues to scale beyond arrays of eight drives until
reaching a saturation point with an array of sixteen or more drives. Maximum performance is
approximately 2000 MiB/s.
Figure 12. RAID-0 256 KiB Sequential Read
0
500
1000
1500
2000
2500
1 2 4 6 8 10 12 16 20 24
P800, 3Gb
P411, 6Gb
RAID-0, 256KiB Sequential Read
Transfter Rate ( MiB/s )
Drives