D-PDD-DY-23 Exam Dumps - Dell PowerProtect DD Deploy 2023

A screenshot of a computer Description automatically generated

1. Writes request from the backup software

First, the backup software sends a write request to the DD system.

2. Analyzes data for redundancy and stores new data segments

Next, DDOS analyzes the incoming data for redundancy and stores only the unique data segments to optimize storage.

3. Stores the fingerprints

After deduplication, the system stores the unique fingerprints of the data.

4. Verifies that the checksum that is read back matches the checksum that is written to the disk

This step involves verifying the data integrity by matching the written checksum with the read checksum.

5. Verifies that DDOS can read data from the disk

Finally, the system verifies that the data can be read back correctly from the disk, ensuring the write was successful.

The backup server and media server functions can be performed on a single system.: In many environments, it is possible for a single server to act as both the backup server and the media server, simplifying management and resource allocation.

The media server is used in obtaining and storing backup data.: The primary role of the media server is to handle the actual data transfer, manage backup processes, and store backup data, making it essential for an effective backup solution.

BoostFS (Boost File System) is a specialized Dell EMC technology that integrates with backup applications to enable optimized data transfers to Dell EMC Data Domain systems. BoostFS works effectively with Dell's Avamar backup software, leveraging the Data Domain Boost technology to provide deduplication and improve backup efficiency. The BoostFS integration enables Avamar to utilize features like client-side deduplication, reducing data that needs to be transferred and stored on Data Domain systems, and enhancing performance and storage efficiency.

By using BoostFS with Dell Avamar, users benefit from enhanced backup speeds, optimized network bandwidth, and reduced load on the Data Domain system. The BoostFS integration also supports streamlined management and more effective use of storage resources, which aligns well with Dell EMC's strategy for comprehensive data protection.

PowerProtect DD's DDOS (Data Domain Operating System) supports up to 800 simultaneous CIFS connections, allowing multiple clients to connect and access CIFS shares concurrently. This limit is designed to ensure optimal performance while managing multiple data streams efficiently.

In the DS60 storage shelf, slots are organized into columns and rows for easy identification. The columns are numbered from 0 to 9, indicating 10 slots in total, while the rows are labeled from A to F, indicating 6 rows. This identification scheme helps administrators manage and organize the physical components of the storage system effectively.

In a PowerProtect DD system, when setting up expansion shelves, the cabling follows a specific sequence to ensure proper communication between the controller and the shelves. The host port on the last shelf in the chain is connected to the expansion port of the controller to complete the loop. This ensures that data flows correctly between the controller and all shelves in the chain.

Explanation: PowerProtect DD supports up to 60,000 open CIFS files, ensuring high scalability and performance in file-based data storage. This capability is essential for environments with high file access requirements.

Explanation: When a source system is in restricted mode, certain maintenance tasks, like file system cleaning, are unavailable. This restriction is typically applied during migrations to prevent data inconsistencies, ensuring a smooth transfer of data to the new system.

During the migration process from an older Data Domain system with cloud tier capabilities to a new PowerProtect DD appliance, the source system operates in a "restricted mode." This restricted mode limits specific functionalities, including file system cleaning. File system cleaning is a maintenance operation that reclaims storage by deduplication and cleaning up obsolete data. However, to prevent data inconsistency or interference during migration, this functionality is temporarily disabled on the source system, thus ensuring data integrity until the migration process is completed.

The restricted mode ensures that all critical operations remain stable and predictable on the source system, which is essential for a smooth migration to the new environment.