HP Updated HPE0-J68 Exam Questions and Answers by atticus

When adding a new virtual volume on an HPE 3PAR StoreServ array, the minimum required information includes:

Size: The size of the volume must be specified to define how much storage will be allocated.

CPG (Common Provisioning Group): The CPG defines the storage pool from which the space for the new volume will be allocated. It is essential to specify this to ensure the volume is created with the correct provisioning settings.

Other options like Persona type, Domain, and Host are additional configurations but not mandatory for the initial creation of the volume.

HPE Storage References:

HPE 3PAR StoreServ Volume Creation

HPE 3PAR Common Provisioning Group (CPG)

To address extreme latency during peak business hours for an OLTP application, using Dynamic Optimization between tier 0 (typically the fastest storage tier, such as SSDs) and tier 1 (slightly slower but still high-performance drives) can significantly improve performance. Dynamic Optimization allows for the non-disruptive movement of volumes between different tiers of storage, ensuring that the most performance-critical data resides on the fastest available storage during peak times. This strategy optimizes storage performance and ensures that OLTP workloads meet required performance levels.

References:

HPE 3PAR StoreServ Dynamic Optimization

HPE Adaptive Optimization and Tiering

When designing an Intelligent Resilient Framework (IRF) stack for a Nimble storage solution using HPE FlexFabric 5900CP switches with iSCSI connectivity, the IRF stack typically supports up to two switches for optimal performance and redundancy. This limitation ensures that the iSCSI traffic is managed effectively without overcomplicating the network topology, which could potentially introduce latency or complexity in managing the stack.

Utilizing more than two switches in an IRF stack when connecting to storage could result in diminished returns in performance or increased management overhead, which is why HPE typically recommends limiting the IRF stack to two switches in such configurations.

For further details, refer to:

HPE Nimble Storage Overview

HPE FlexFabric Switches