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Technical white paper | HP RA for Red Hat Storage Server on HP ProLiant SL4540 Gen8 Server

Test results—two-way replicated volumes

Figure 14 illustrates the effect of request size variation (in kilobytes), as defined by the IOzone record size variable, on Red

Hat Storage Server Distributed-Replicated volume throughput (MB/second). There are 4 clients with 8 threads each, totaling

32 client threads targeting a 4-node Red Hat Storage Server cluster in a distributed-replicate volume configuration. The

sequential read and sequential write saturate at record size greater than 64KB. However, the random read and write

performance scales over all reasonable record sizes.

Figure 14. Request size variation for distributed-replicated volumes

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