Jithenderreddy Karnati Email & Phone Number

Hyderabad, Telangana, India

SUSE Cluster:- Installing and configuring SUSE cluster with multi nodes. Performing maintenance activity on cluster nodes. Troubleshooting issue during the failover and fail back. Configured the addition network ring for heart beat communication. Adding additional resource on existing cluster setup. Configuring and maintaining SBD device for cluster fencing. Installing OS on Virtual Machines built at ESXi level. Installing Red Hat/SUSE Linux OS on Physical Blades. Network configuration and IP multi-pathing. Local User administration and auto-mount service management. Handling OS boot time issues. Installation of RPMs and using YUM/Zypper utility. Kernel patch level up-gradation. Installing/Upgrading different rpm’s and drivers to fix bugs. Managing various services: send mail, SNMP, NTP, autofs, NFS. Creation and Management of Physical volumes, Volume groups and Logical volumes. Troubleshooting grub related issue. Monitoring & managing server’s performance for optimization. Handling file system and disk administration related issue. Installing third party tools like storage foundation, VAS, backup tools. Configuring and handling network related issue. Involved in SAN/switch migration activity. Handling P2V migration project.

Hyderabad, Telangana, India

 Extensive experience in installing, upgrading, maintaining and configuring SUSE Linux Operating System Enterprise Linux server using Custom and kick start installation. Experience in Installation, configuring and Administration of SUSE Cluster. Expertise in Installation, Configuration and file system management and RAID Manager (LVM). Extensively worked on configuring of NFS, DNS, DHCP, Auto mount, FTP and Samba Proficient in installation of Packages, Patches and maintenance & RPM updates on Linux. Experienced in implementing server hardening. Handling and troubleshooting file system related alerts. User administration tasks and AD administration. Managing daily activities like User Management, Job Management and Process Management. Creating simple scripts and scheduling them as cron jobs. Working on issues related to sticky bit, setuid, setgid and ACLs. Analyzing network, disk, and processor performance statistics. Installation of packages and patches on Linux/Solaris. Handling Service Management Facility tasks. Performing hardware replacements like HBA replacement, disk replacement, DIMM replacement etc with the help of vendor coordination. Co-coordinating with other relevant teams for problem resolution. Good knowledge of creating and managing the swap. Handling Boot time issues. Performing replication activity. Performing storage migration activity. Storage de-allocation at OS level and Decommissioning of servers. Performing Live Upgrade and troubleshooting issues encountered. Configuring IP multi-pathing and troubleshooting. Creating, Resizing, Restarting, and Removing the Volumes. Upgrading storage foundation on both RHEL and solaris. Handling P1 critical issue and provide RCA to the customer. Good experience in ITIL process. Involved in integrating and testing the third party applications. Involved in automation regular task using Ansible

Troubleshooting network problemsMonitoring the Nagios.Escalation with service providers like Tata, Reliance, VSNL etc. for network connectivity issues.Working on the Ticketing tools.Configuring and Maintaining the Switches and Create VLANS.Handling the client ComplaintsTrouble shooting problems with Customer System and getting them resolvedTrouble shooting Wireless network issues of Customers and getting them resolvedResponsible for day to day network activities