Nagender Donthula

Worked as part of a team to manage(install, configure, upgrade) storage arrays and backup solutions across the globe
• Managing internal backup solutions, including IBM Spectrum Protect,
NetWorker, Commvault and Veeam, alongside storage systems such as IBM SVC, IBM FlashSystem, Dell VNX, Dell Data Domain, Dell Isilon, ExaGrid, NetApp E-Series and NetApp ONTAP

Migrated data using both Host based migration technologies and array based migration tools.
• Cisco and Brocade fiber channel switch technology management, storage provisioning, LUN masking, zoning, performance management, and volume management
• Developed Bash scripts for enhanced reporting functionalities within Dell NetWorker environmentNetWorker environment
• Actively involved in the strategic migration process from IBM TSM (Spectrum
Protect) to Dell NetWorker within data center operations
• Engineered and deployed innovative backup strategies for small remote
sites utilizing Veeam, ExaGrid and AWS technologies
• Working with customers to design storage and backup solutions to meet their needs
• Skilled in Nutanix and VMware hypervisor platforms, contributing to a robust virtualization infrastructure
• Demonstrated expertise in leveraging AWS cloud backup services for
scalable and efficient IT solutions
• Dedicated to the creation and upkeep of comprehensive documentation and standard operating procedures
• Participated in regular critical disaster recovery rehearsals to ensure
organizational resilience and data integrity
• Implemented data deduplication, compression and encryption to enhance storage efficiency and security
• Conducted routine audits of systems and software to ensure compliance with IT policies
• Collaborated with IT teams to plan and execute data migration projects
• Provided technical support and training to staff on backup procedures and best practices

· Install and configure C-Dot clusters using FAS 8060 Controllers, MDS 9706, 9148S, and Brocade 6510.

· Conduct firmware upgrades for HP 3PAR, DATA ONTAP, ATTO Bridges, MDS 9706, 9148S, and Brocade 6510.

· Participate in infrastructure Services upgrade as per the current technology.

· Perform software upgrades for OCUM, OCI, DCNM and BNA to the latest IBM certified versions.

· Install and configure OnCommand Insight to collect performance data from ESXi hosts, SAN Switches, Storage Arrays, develop custom performance reports using OCIDWH reporting server, and install and configure AppDynamics to monitor infrastructure.

· Migrate data from Metro Cluster IBM N-Series 6270 7-Mode to FAS 8060 C-Dot using 7MTT and from IBM N-Series to HP 3PAR array using Host based migrations, as well as a migrate SAN Fabric from Brocade to CISCO switches.

· Perform host-based migrations using storage VMotion for ESXi, Robocopy for CIFS shares, and Rsync for NFS.

· Run daily health check scripts for storage devices and ESXi environment for hardware failures, CPU, memory utilization, and AG time outs, drafting and submitting reports to customer and management team.

· Develop performance and capacity reports to review with customer each month.

· Build, configure, maintain, and troubleshoot vRealize Suite to automate infrastructure functions in virtual and cloud infrastructure.

· Implement VMware Pivotal container service to run containerized workloads using Docker, Kubernetes, cloud foundry, and other emerging container technologies.

· Integrate and deliver automation solutions using VMware technologies (vRealize), Chef, Ansible Tower, Puppet and public cloud APIs, collaborating with cross-functional departments to deliver enterprise automation solutions.

· Build new workflows in vRO to automate process in virtual infrastructure and modify existing workflows.

· Configure NetApp Hyper converged infrastructure to add endpoint in vRA to provision VM’s, and SNOW, CyberArk, Satellite,

Jenkins, Git and Ansible tower as endpoints in vRO to provision servers in end points.

· Deploy standard, stretched cluster, Flash, and 2Node vSAN deployments for mission critical business applications.

· Configure encryption, enable performance service at cluster level and automate vSANstorage policies, sparse virtual swap files as per business requirements.

· Implement Cloud Computing Services such as AWS & Microsoft Azure.

· Install, configure and manage TSM servers. Manage storage pools, retention policies, LAN free backups, management classes and copy groups. Monitor backup and restore jobs for successful completion, TSM database, logs and tape media.

· Monitor TSM application server processes and errors to ensure overall system performance and scalability.

· Deliver comprehensive support for backup server, tape drives and tape hardware issues, including halting and restarting backup server software application, collaborate with backup vendors as required, and work on root cause analysis for failed backups.

· Maintain in-depth experience with Service Now, RCA for Sev1 issues, training team on new technologies and preparing run books for daily storage activities.

· Provide 24/7 on-call support.

· Led Storage provisioning, troubleshooting and decommissioning for servers connected to VMAX, VNX, VPLEX, Vblock, Isilon and IBM N-series arrays, including managing RGs, LUNs, Flex vols, CIFS shares, NFS exports, MirrorView and SnapView configurations to align with EMC and IBM best practices.

· Implemented Virtual Provisioning on VPLEX (CLI/GUI) to hosts by claiming volumes, creating extents, devices, and virtual volumes.

· Installed and configured VPLEX Local, XtremIO, XMS servers, Recover Point, MDS 9710 and performed firmware upgrades, as well as installed and configured storage software ViPR SRM controller, Unisphere for VPLEX, RPA, and MDS DCNM; XtremIO for VDI desktops and Exchange Application; MDS 9710 SAN Switches.

· Migrated hosts from old MDS 9513 to 9710 and Windows and AIX servers from DMX to VMAX using Open Replicator and SRDF, VMAX to XtremIO using Open Replicator and PPME, VMAX to XtremIO using Host based LVM Mirroring and Open Migrator.

· Performed storage migration using VPLEX Data Mobility from VMAX XtremIO to VPLEX. Conducted Virtual LUN migrations on VMAX.

· Migrated 300+ TB of data from Celerra to NetApp using host-based technologies like Robocopy for NTFS style volumes and Rsync for UNIX style volumes.

· Troubleshoot, upgraded, and maintained software in Hyper converged infrastructure VxRail and Nutanix.

· Migrated VM’s from Legacy vCenter to Hyper converged Servers VxRail and Nutanix using VMotion and Automation.

· Generated EMC Host Grab dumps and HEAT reports to troubleshoot host issues, performed server compatibility checks for HBA driver/firmware and multipath software, as well as administered EMC Data Domain and Avamar.

· Proficient in EMC Backup and Recovery Technologies Avamar, Legato Networker, Data Domain and Data Protection Advisor.; and in installing, configuring and administering Avamar, NetWorker, and Data Domain.

· Extensive experience in Total Disaster Recovery, integrating VMware with Avamar for Virtual Machine Backups.

· Provided 24/7 on-call support in a data center environment with more than 500 servers.

· Installed, configured and maintained Windows operating systems, system software, and provided hardware, backup and

· recovery, system monitoring, application and security support. Additional responsibilities include system availability and

· performance management and capacity planning assistance.

· Day-to-day work involved troubleshooting, maintaining groups, user accounts and also daily backups on Windows servers.

· Performed AIX,Solaris technology level OS upgrades.

· Involved in monitoring system security, network traffic, network connections, maintaining the OS environment and adjust

· system parameters to increase system performance.

· Participated in planning of firmware upgrades and patches.

· Keeping servers up to date by upgrading them with the latest versions of operating systems and service packs and also protecting

· from viruses by upgrading antivirus frequently.