Compaq 108164-003 - ProLiant - 800 Technical Manual page 38

I/o performance tuning of compaq servers
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I/O Performance Tuning of Compaq Servers
Figure 35.
under simulated database loads (8KB block, 67% 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
(8KB Block Size, 67% Read, 100% Random)
450
400
350
300
250
200
200
150
121
100
50
0
RAID 1 ( 2 drvs)
Relative maximum sustained throughput for both hardware and software RAID systems
IO/s for a Common Database Profile
377
335
RAID 5 ( 6 drvs )
RAID 5, Degraded ( 5 drvs)
288
SMART-2SL
SW RAID in NT
75
38

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