What actions are taken when reconfiguring Storage Data Servers during cluster expansion? (Choose two).
Answer(s): A,C
When expanding a cluster by adding new Storage Data Server (SDS) nodes:Validate new node compatibility (Option A): Before adding a node, you must ensure it matches the hardware compatibility list (HCL). More importantly, to prevent performance bottlenecks ("stragglers"), the new nodes should ideally match the CPU, RAM, and most importantly, the drive type/performance of the existing nodes in the Storage Pool.Configure Fault Sets for the new nodes (Option C): If the cluster is configured to use Fault Sets (which is recommended for larger clusters to ensure rack-level availability), the new node must be explicitly assigned to a specific Fault Set before it is added. You cannot add a node to a Protection Domain that uses Fault Sets without specifying which Fault Set it belongs to.Incorrect Options: Option B describes "Rebalance," which is an automatic background process, not a manual "reallocation" action. Option D is incorrect because deduplication is a pool-wide setting; you do not enable it on a per-node basis.
PowerFlex upgrades require all nodes to be in Maintenance Mode. True. False.
Answer(s): B
PowerFlex is designed for Non-Disruptive Upgrades (NDU). Requiring all nodes to be in maintenance mode simultaneously would cause a complete cluster outage (Data Unavailable), which defeats the purpose of the architecture.The upgrade process is rolling.Node 1 enters Maintenance Mode (data is safe on other nodes).Node 1 is upgraded and rebooted.Node 1 rejoins the cluster and syncs data.The system moves to Node 2.At no point is the entire cluster in maintenance mode. The cluster remains online and serves I/O throughout the entire process.
Which software components are essential for PowerFlex operations? (Choose two).
Answer(s): A,B
This question asks for the core components that make up the PowerFlex software-defined storage system.Meta Data Manager (MDM) (Option B): The MDM is the control plane. It manages the mapping of data, monitors the state of the system, controls rebuilds/rebalances, and acts as the central point for configuration. Without the MDM, the cluster cannot function or change state.Storage Data Server (SDS) (Option A): The SDS is the data plane. It is the software installed on every node that contributes storage. It abstracts the local drives, performs I/O operations, and communicates with other SDSs to replicate data.Incorrect Options: VMware Horizon (C) is VDI software that uses PowerFlex, but is not part of it.PowerProtect (D) is backup software.
Snapshots in PowerFlex are created in a writable state by default. True. False.
Answer(s): A
In many legacy storage arrays, a snapshot is a read-only "view" of the data, and if you want to mount it and write to it (for testing or database recovery), you must create a "Clone" or "linked clone" from that snapshot.PowerFlex differs here. A PowerFlex snapshot is technically just another volume. It is fully writable immediately upon creation. It uses a redirect-on-write mechanism. If a host mounts a snapshot and writes to it, the new data is written to new blocks, diverging from the source volume. This makes PowerFlex snapshots extremely agile for DevOps and CI/CD workflows where writable copies are needed instantly.
What are the prerequisites for creating a Fault Set? (Choose two).
Fault Sets are a logical subdivision within a Protection Domain used to increase availability (e.g., ensuring that the three copies of data reside in three different racks).Predefined Protection Domain (Option B): Fault Sets exist inside a Protection Domain. You cannot create a Fault Set floating in the void; it must be assigned to a parent Protection Domain.At least 3 nodes in the cluster (Option A): PowerFlex uses a mesh-mirroring architecture. To guarantee availability, the system generally requires a minimum of 3 Fault Sets (so that if one fails, the data can be rebuilt to the other two). Since a Fault Set must contain at least one node, this implies a minimum requirement of 3 nodes (one per Fault Set) to utilize the feature effectively.Note on Option C: You typically define Fault Sets before creating Storage Pools or adding SDSs in a greenfield deployment. If Storage Pools already exist, converting to Fault Sets is complex/restricted, so "Existing Storage Pool" is not a prerequisite for creating the Fault Set structure itself.
Post your Comments and Discuss Dell D-PWF-OE-00 exam prep with other Community members:
Our website is free, but we have to fight against AI bots and content theft. We're sorry for the inconvenience caused by these security measures. You can access the rest of the D-PWF-OE-00 content, but please register or login to continue.