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25 Sizing and Best Practices for Online Transaction Processing Applications with Oracle 11g R2 using Dell PS Series | BP1003
The total capacity utilization on the array was kept constant at 2 TB and only the volume configuration was
modified as shown in Table 3.
Test parameters: Volume configuration studies
Configuration parameters
PS Series SAN
One PS6110XS (7 x 400GB SSDs and 17 x 600GB 10K SAS drives)
Total capacity utilization
2 TB
Volume configuration #1
Two volumes, 1 TB each
Volume configuration #2
Four volumes, 500 GB each
Volume configuration #3
Eight volumes, 250 GB each
RAID type
RAID 6 (Accelerated)
OLTP workload parameters
I/O mix
I/O block size (KB)
70/30 read/write
8K (to simulate TPC-C database transactions)
Performance increased by more than 6% when the number of volumes was increased from two to four.
Similarly, almost a 23% increase in performance was observed when eight volumes were configured on the
array. The total capacity on the array was kept constant at 2 TB for all the volume configurations.