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A customer reports far lower than expected performance on the FlashBlade, in a Oracle RMAN backup solution. The environment consists of four Oracle database nodes, each with 1x10Gb/s NIC, connected via NFS, to a fully populated FlashBlade chassis. Only a small number of blades are being used. Synthetic performance testing shows no performance issues in the network.

What should the architect suggest to causing this issue?

A.

Oracle RMAN uses HCC compression, so this a poor use case for FlashBlade.

B.

dNFS is not enabled on the Oracle nodes or the number of RMAN channels is too low. ***

C.

The sustained write performance of a 15 blade FlashBlade is 1.5GB/s

D.

The FlashBlade only has 8x10Gb/s uplink connectivity to the customer’s top of rack switches.

A customer asks an architect to help troubleshoot low throughput in their high-performance compute (HPC) environment. All 70 HPC nodes have a single 10Gb connection to a 96 port 10Gb switch. The FlashBlade is connected to their dedicated HPC switch with 8x10Gb connections. The HPC application is using a single shared S3 bucket for the data being processed.

Which change is needed to increase throughput?

A.

Add more uplinks to the HPC switch. ***

B.

Add more VLANS to FlashBlade.

C.

Add more IPs to the existing VLAN

D.

Add more nodes to the HPC cluster