HP 418371-B21 - Dual Port 72 GB Hard Drive Technology Brief page 10

Performance factors for hp proliant serial attached storage (sas)

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Figure 6 illustrates the IOPS performance of various array sizes of SFF SAS drives with the HP Smart

Array P800 Controller using RAID 5 (64K).

Figure 6. RAID5 performance of SFF 15K 72-GB SAS drive arrays

4500

4000

3500

3000

2500

2000

1500

1000

500

4KB RANDOM READ

4KB RANDOM WRITE

SA-P800, RAID-5 (64KB) - SFF 15K

4KB OLTP

8KB RANDOM READ

8KB RANDOM WRITE

4 SFF SAS drives

6 SFF SAS drives

8 SFF SAS drives

12 SFF SAS drives

IOMETER 07.30.2004

8KB OLTP

64KB RANDOM READ

64KB RANDOM WRITE

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