Compaq 108164-003 - ProLiant - 800 Technical Manual page 37

I/O Performance Tuning of Compaq Servers
Figure 33. Relative maximum sustained throughput for both hardware and software RAID systems
with 256KB block, 100% sequential reads. These results were obtained using Iometer version
1998.10.08, Copyright 1998 by Intel Corporation. Intel does not endorse any Iometer results.
Figure 34.
with 512KB block, 100% sequential reads. These results were obtained using Iometer version
1998.10.08, Copyright 1998 by Intel Corporation. Intel does not endorse any Iometer results.
ECG044.0399
(256 KB Block Size, 100% Read, 100% Sequential)
30000
25000
20000
15000
10480
10000
7656
5000
0
RAID 1 ( 2 drvs )
(512 Byte Block Size, 100% Read, 100% Sequential)
3000
2844
2500
2000
1500
921
1000
500
0
RAID 1 ( 2 drvs )
Relative maximum sustained throughput for both hardware and software RAID systems
26053
25874
17000
RAID 5 ( 6 drvs ) RAID 5, Degraded ( 5 drvs )
2850 2841
1035
RAID 5 ( 6 drvs ) RAID 5, Degraded ( 5 drvs )
SMART-2SL
SW RAID in NT
4779
SMART-2SL
SW RAID in NT
280
37