JANMEJAY SINGH

• Reviewing object/block storage performance against various architectures of IBM ceph storage.
• Engagement with third parties for hardware qualification and derive the performance metrics for Block/Object File & NVMe-oF on IBM ceph storage.
• Benchmarking IBM ceph storage cluster and produce market facing results.
• Assisting the team as an escalation point to reach out to seek help.
• Maintaining our internal labsetup hardware.

Recent Projects

• Deployed Ceph cluster with 10,000 OSDs and validated control plane operations.
• Evaluated the performance impact of encryption (server-side encryption, encryption in-transit) and load balancing (Ingress) on Ceph RGW.
• Evaluated the performance trade-offs of Bluestore compression.
• Evaluated the performance benefits of offloading the bluestore compression task to Intel QAT hardware.

• Support Red Hat Openshift Container Storage/Openshift Data Foundation(rook-ceph) and Ceph Storage cluster (Software Defined Distributed Storage) customers across the globe.
• Red Hat Openshift Platform installation/configuration on various platforms (Baremetal,VMware,AWS etc)
• Installer Provisioned installation(IPI) as well as User Provisioned installation.
• Troubleshooting All day 2 issues reported by Red Hat customers across the globe.
• Root cause analysis for critical issues and present it to customers and management.
• Testing new features with each release.
• Review supported architecture with Openshift data foundation(ODF) and Red Hat Ceph Storage(RHCS).
• Integration of RHCS with the Openshift Container platform.
• Integration of Openshift container storage(rook-ceph,noobaa) with Openshift Container platform.
• Openshift data foundation provides object storage via Rados gateway.Troubleshooting Object storage related issues.
• Setting up and troubleshooting multisite/DR/Stretched clusters.
• Troubleshooting block device (RBD) related issues.
• Troubleshooting upgrade issues.
• Working closely with the development team for continuous improvement.
• Red Hat Ceph Storage day 2 issues, upgrade,configuration.
• Handling CephFS (MDS), RBD, RGW and RADOS configuration as well as issues reported by Red Hat customers.
• Managing internal Lab Setup for Team.
• Working to automate repetitive tasks for the support team.
• Mentoring new team members.

• Handling Problem Management, RCA, report preparation and solution implementation.
• Provide Technical support on Veritas Cluster and Veritas storage products.
• Support all the Veritas products like Veritas Volume Manager, Veritas Cluster Server, CVM/CFS,Veritas Access.
• Working specifically on break fix issues/troubleshooting of all the above products.
• Analyze crash dump on various Unix platforms.
• Work with Multiple vendor like Oracle, Redhat, IBM, EMC2.
• Troubleshoot Production down scenarios.
• Cluster start/stop issues.
• Filesystem related issues (Filesystem repair, mount issues).
• Storage Migration.
• Cluster and volume manager configuration issues.
• Configuring and deploying openstack infra in test environment and reproduction of customer's issue.
• Providing enterprise architecture and design expertise for Openstack in Veritas cluster environment.
• Provide Enterprises technical support for cloud production issues with Veritas stack.
• Helping customers regarding Configuration, Patching and Upgrade for Veritas stack.
• Continuous interaction with the client on the escalated issues.
• Giving training to new hires.
• Installation and configuration of Kubernetes manually, using kubeadm and kubespray.
• Integration with Github or GitLab.
• Managing of Service Accounts, Image Policies.
• Monitoring the status of pods/nodes, scheduling/un- scheduling the nodes from Openshift infrastructure.
• Working with docker images and perform operation on docker images.
• PV and PVC creation.
• Project/Namespace creation.

• Managing virtual environment of 800 servers.
• Installation, configuration & troubleshooting for OS (Linux) related issues.
• Managing regular updates of server with Spacewalk.
• Configuration management with puppet and Foreman.

• Part of the team designated to manage more than 15000 Linux servers which includes Virtual Machines, Physical Machines, clustered (VCS,RAC) and Non clustered environment with HP and Solaris hardware.
• Providing L2 support for Incidents and Service requests assigned which include installation, configuration & troubleshooting for OS (Linux) related issues.
• Common Issues and requests as :- High utilization of Filesystem, SWAP and CPU.
• NFS related issues and configuration.
• Logrotate and Crash dump configuration.
• Connectivity related Network issues and Login issues.
• Troubleshooting and investigation of unexpected reboot or server crash.
• Hardware Issues (DIMM,HBA,Disk,NIC, SPI board).
• Managing Logical Volume and VxVM.
• Increasing SWAP memory.
• Mapping of New LUN's using Multipathing.
• Installing New RPM's.
• Configuring DRS and SRM in VMware and Managing Snapshot.
• Configuration and troubleshooting of VERITAS Cluster servers.
• Configuring New Service Groups and Resources.
• Troubleshooting Unexpected behavior of Veritas cluster.
• OS and SFHA upgrade as well as Firmware upgrade and other day to day maintenance activities on Veritas cluster.
• Coordination with hardware team and Vendors for Server, Hardware problems and logging case with vendor if required.
• Trained new team members about the process and procedure of the environment.
• NFS configuration & administration.
• Monitoring & troubleshooting with performance related issues.
• Swap space management.
• Job Scheduling and Automating process using CRON.
• Installation of patches and packages.
• Analyze and troubleshoot backup failures, cron job failures and SSH login failures.
• Administration and support for Volume Managers i.e. LVM & VxVM.
• Administration of SAN Disk’s under LVM / VxVM.
• Administration and support for HA Cluster – VCS (VERITAS Cluster 5/6.1/6.2).