LEO PRABHU

Cloud Networking Team (Nexus, MDS product lines)

• Tested FCIP features and their functionalities with MDS product lines: MDS 9200 and MDS 9700 Series DC switches, as part of the Cloud-Networking business unit test coverage.
• L2/L3 protocols test with MDS and Nexus family data center switches, and test FCIP, TCP/IP, UDP features.
• Expertise in the testing of enterprise routing protocols, such as BGP, OSPF, etc.
• And networking features like Multicast, IPv6, DNS, and DHCP.
• Expertise with standard TCP/IP protocols such as ARP, IP, ICMP, TCP, UDP, and IPSec VPNs.
• Tested the Nexus 9000 family series data center switches with Cisco NX-OS, Data Center Network Manager (DCNM), and being integrated into Cisco ACI fabrics.
• Troubleshooting and understanding protocols, analyzing CLI output, debugging logs, and capturing packets.
• Used traffic generator tools like Spirent, Ixia, and BreakingPoint.
• Familiarity with virtualization technologies such as VMware ESXi, KVM, and Microsoft Hyper-V, with different operating systems for performance validation.

Destination Trident [PowerStore].

• Worked on next-generation midrange data storage solution technologies used to migrate data from DELL VNX2, Unity, PS Series, XtremIO, VMAX, and PowerMax to the DELL EMC PowerStore platform.
• Preparing configuration and validating migration for both seamless and agentless across different platforms—Windows, Linux, and VMware—for both block and file data.
• PowerStore is designed with a container-based microservices architecture, advanced storage technologies, an integrated machine learning engine, and seamless automation.
• Using the migration capability known as Orchestrator, which can be used to import storage resources.
• Benefits through native import, both data and applications can be migrated to PowerStore and receive broad support for source system types and operating systems.
• Running the sanity/smoke test, performance, and regression suite using Python and RESTful API commands.

Client: Intel [Intel silicon (SoC) validation testing].

• Team lead of a 15-member team.
• Responsible for functional, stress, and stability tests.
• Testing and handling different Atom platforms, like Cannon Lake, Whisky Lake, and Coffee Lake, with different nm processors in parallel, and released as planned.
• Configuring the test environment with new Intel motherboards, servers, NVMe, and HDD, etc.
• Handling Scrum meetings and team meetings, with action items on a weekly basis.
• Validating the Windows platform with respect to processor validation with engineering samples, QS, and production samples silicons.
• Preparing release emails with all test results, any open issues, and the impact percentage with respect to the individual module, if applicable.

Client: PMC Sierra, Role: Team Lead of a 6-member team.

• PM8304 SFM12G Overview: SAS Flash Manager (SFM) Firmware Verification.
• The PM8304 SFM 2x12G is the industry's first 12G SAS to Flash Controller that enables both NAND vendors and server and storage OEMs to design optimized managed enterprise flash solutions using off-the-shelf multi-level cell (MLC) and single-level cell (SLC) NAND devices.
• Native 12 Gb/s SAS Flash Manager with single 2-wide target mode and dual narrow target mode (active-active).
• 16 ONFI-2 / TOGGLE flash channels support major NAND vendors.
• 2 TB max capacity.
• Over 1.6 GB/s of throughput with 320K read and 200K write IOPS (4 KB block) performance.
• Enables more than 300,000 I/Os per second in a 2.5" SAS SSD, more than double the performance of today's 6 Gb/s SAS SSDs.
• Advanced error handling and statistics.
• Up to 1,644 bits of correction per 4 KB page.

Client: IBM, Subsystem Device Driver (SDD)

• Worked as an L3 Support Engineer, tested SDD for IBM storage across different platforms.
• Setting up the environment and configuration with the required operating systems, such as AIX, Linux, and Windows 8.
• Responsible for testing the Multipath Device Driver, which supports IBM Storage in the OPEN Systems, and running tests with Load Balance to maximize total I/O throughput.
• Business continuity check for planned or unplanned outage scenarios.
• Common path management solution test across heterogeneous storage products.
• Verified the functionality, behavior, and new SDD feature.
• Reviewed I/O activities based on algorithm settings across all paths for each IBM storage device managed by SDD.

• Testing LSI storage arrays (FC) with various HBAs (Emulex and QLogic).
• Executing various test cases and test plans related to storage arrays and software, and working closely with developer teams in an Agile model.
• Constructing SCSI CDB for different read/write commands, and analyzing the response.
• SATA Flash Disk for Pikes Peak - Executed various pCache-related test cases with NFSv2 and NFSv3 configuration.
• Oracle UEK Support with T10 PI.
• Validating the T10 PI feature and its functionality behavior with the new Pikes Peak controller.
• Validating the T10 PI feature with both Emulex and Qlogic HBAs, and different storage array host interfaces.
• Issuing SCSI commands using sg3 utilities for Linux environments.
• Working with Oracle ASMIO tools.
• Validating on different test phases, like Smoke, Sanity, Regression, and Acceptance tests.