Performance factors for HP ProLiant Serial Attached Storage (SAS)

8
Figure 4. Sequential Read and Write comparison of ten10K SFF drives RAID-0 with ten 15K SFF drives RAID-0
50%
60%
70%
80%
90%
100%
110%
120%
130%
140%
150%
64KiB
SEQ READ
256KiB
SEQ READ
512KiB
SEQ READ
1MiB
SEQ READ
Relative Performance - ( % )
1x10-Drv,P411, fw:3.50, 512MB, R0(256KB), 1-D2700, 1LD
1x10-Drv, P411, fw:3.50, 512MB, R0(256KB), 1-D2700, 1LD
100%= 10K rpm
RAID-0 Sequential Read; P411
10-146GB 15K, 6Gb SFF SAS vs 10-146GB 10K, 6Gb SFF SAS
50%
60%
70%
80%
90%
100%
110%
120%
130%
140%
150%
64KiB
SEQ WRITE
256KiB
SEQ WRITE
512KiB
SEQ WRITE
1MiB
SEQ WRITE
Relative Performance - ( % )
1x10-Drv, P411, fw:3.50, 512MB, R0(256KB), 1-D2700, 1LD
1x10-Drv, P411, fw:3.50, 512MB, R0(256KB), 1-D2700, 1LD
100%= 10K rpm
Sequential Write; P411, RAID-0
10 - 146GB 15K, 6Gb SFF SAS vs 10-146GB 10K, 6Gb SFF SAS