To leverage and expand my technical skills and knowledge base, and to lead management information analysts and technicians through support of cutting edge AIX, LPAR, DLPAR, VIO, NIM, and HACMP, RHEL6 and 7, AWS, and have knowledge in MS Azure. I embrace opportunities to grow and be challenged. I am a tenacious and energetic challenge seeker with a strong work ethic and a proven record of accomplishment.
Over 6+ years experience in IT Industry, in AIX / UNIX, Linux System Administration, AWS, involved in Installation, Administration, Configuration, Planning, Upgrade, Testing, Backup and Recovery on IBM AIX 5.3 / 6.1 / 7.1 with HACMP, HMC, LPAR, DLPAR, RHEL6, RHEL7, AWS, working in Agile/Scrum methodology.
Bachelor in Computer Application (2006-2009) University of Madras, Chennai.
IBM AIX Certified 7.1
RHEL 7 Certified Engineer
AWS Solution Architect – Associate
Operating Systems : AIX, Linux, Solaris
ITIL Tools : Maximo, Service Now, Jira
Version Control System Tool : Git, Github, Bitbucket
Storage Management in AIX / Linux – Logical and Physical Volume Configuration and maintenance. Create, modify and remove the Volume Group, Logical volume, File systems. Using Mirroring concept and migrate concept in the LVM.
Configuring and maintaining NETWORKING (NFS, SSH, FTP) services
Faulty disk replacement, running diag against hardware of the server to diagnose any issues. Exporting volume group from one node to other and adding new disks to volume group.
User Administration tasks such as create users, define or changes their attributes, and define the security environment for the users.
HACMP - Monitoring servers, Starting and Stopping Cluster Services, moving resource groups across the nodes, increasing file system in cluster file system, synchronizing cluster resources and cluster verification.
Troubleshooting fall over, fall back issues, analyzing different hacmp logs to diagnose and finding root cause.
Defining shared volume groups and working on different operations such as creating shared file systems, increase or decrease file system sizes, concurrent disk for disk heart beat etc.,
Perform health checks on HACMP nodes, running cluster statistics to find cluster stability, finding resource group status etc.
Checking the file systems and increase/decrease the file system if required. Fixing mount issues, checking file system integrity, running fsck in maintenance mode on rootvg logical volumes if any corrupted lv’s in rootvg.
Performance monitoring using vmstat, iostat, sar, topas, netstat and nmon and analyzing these reports to figure out any performance issues.
Taking regular system backup using mksysb and volume group backup using savevg utilities.
Systems administration, maintenance and monitoring various day-to-day operation.
Managing log files, errpt, Daily Management activities and health checks
Collecting hardware and software details over server.
LPAR operations including: scheduling operations, troubleshooting activation errors, configuring and using system profiles, and activating and shutting down partitions, Power on/off partitions.
Create partitions, partition profiles, and system profiles, Activate partitions, and Schedule operations for partitions, dynamic operations for adding, moving, and removing memory, processor resources, and I/O slots.
Installing and configuring VIO Servers, building LPAR clients and sharing IO devices to LPARs. Creating Vhost and Vscsi in the VIO environment
VIO Server operations, creating virtual adapters and configuring Ethernet or LUNs to LPARs and performing other troubleshooting techniques. Creating ether channel with link aggregation etc.