1. 7+ Yrs Exp in AIX/HACMP/PowerHA/VIO
Sr. AIX System Administrator
Kalesha Ananthu
Phone: +1(408)-600-0544
E-mail: kalesha.ananthu17@gmail.com
Synopsis:
Have 7 + years of Experience in AIX System Administrator, AIX Logical Volume Manger,
HACMP Cluster Administration, Configuring and Managing VIO Server, LPAR, DLPAR
Machines, IBM PowerHA System Mirror for AIX.
Had Good knowledge in Red Hat Enterprise Linux 7.
Professional Certifications: IBM Certified System p Administrator
IBM Certified HACMP Administrator
ITIL® Foundation Certified.
Educational Qualifications: MCA in 2007 from Madras University INDIA.
Areas of Expertise IBM AIX 5.3, 6.1, 7.1 VIO, LPAR, DLPAR, LVM,
HACMP 5.3, 6.1, NFS, NIM, mksysb, HMC, PowerHA
System Mirror 7.1.3.
Red Hat Enterprise Linux 7.
Professional Experience: 1. Working as Sr. AIX Administrator (L3 Support) in
Hewlett Packard Enterprise (HPE) from June 2016
to till date.
2. Worked as Sr. AIX System Administrator in IBM
India Private Limited from Oct 2009 to May 2016.
Detailed Experience:
Organization: Hewlett Packard Enterprise (HPE), Bangalore from June 2016 to till date.
Designation: Sr. AIX System Administrator (Specialist/ Shift lead/L3 support)
 Strong AIX 5.3, 6.1 and 7.1 System administration experience.
 Good in Redhat System administration.
 Good Understanding of LVM and Power Architecture (Power 5, Power 6 & Power
7).
 Experience on Installation & Upgrade of Fixes/Patches/APARs (Authorized
Programming Analysis Report) /TL.
 Experience on hardware and software configuration, LPARs/DLPARs/VIOs.
 Experience on Duel VIOs along with Partitions created using NPIV.
 Installing and configuring VIO Servers, building LPAR clients and sharing IO
devices to LPARs.
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2. 7+ Yrs Exp in AIX/HACMP/PowerHA/VIO
Sr. AIX System Administrator
 Operating System ( Aix 5.3, Aix 6.1, Aix 7.1 ) installation on LPAR and on
Standalone machine
 Performing MksysB restore on LPAR and Physical servers.
 Root password recovery from maintenance mode.
 Patching servers – installing TLs on the server, installing any customer requested
software and any third party tools on the server.
 Creating/Removing paging space, checking paging space usage and increase/decrease
if required.
 Creating NPIV-LPAR profiles on vio and mapping Virtual Fibre Channel adapter
between vio and lpar.
 Using alternate disk installation method when upgrading TL or ML on AIX Operating
system.
 Participated in AIX migration project - Migrating AIX Version 5.2 to AIX 5.3
Operating System. And Migrating Aix version 5.3 to Aix 6.1.
 File system, logical volume planning and configuration.
 Creating file systems, checking for error report on servers. Running diag against
hardware of the server to diagnose any issues.
 Monitoring performance of AIX servers, Memory, CPU, Network and Disk activities
and analysing these reports and finding any issues that occur.
 Configuring interfaces, new devices installation and configuration.
 Finding hardware and software errors using errpt and taking necessary actions to fix
if any errors occurred.
 Working on issues on related to volume management, file system management.
 Fixing booting problem, working with bootlist, bosboot commands, fixing file system
integrity issues by running fsck.
 Working with user management and security related issues – hardening Operating
system by setting user attributes as per client policy.
 Working with Managed system to configure VIO, LPAR partitions using HMC.
Logging into LPAR Console via HMC, performing actions like activate, dlpar
operations, shutdown partitions etc.,
 HACMP Cluster configuration, plan, design HACMP cluster nodes, Network
configuration, configuring disk heart beats, non ip heart beats, Performing failover
testing, verification, synchronization.
 Moving resources from one node to another, working with cluster services such as
stopping starting etc.,
 Configuring shared file systems, file system increase, decrease that are part of cluster.
 VIO Setup on P7-770 servers. Working with Network/SAN team to get enabled
Network ports and SAN ports, and configure NPIV.
 Creating the VIO partitions and their profiles. And install VIO software on vio
profiles.
 Creating Ether channel and SEA on VIO's.
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3. 7+ Yrs Exp in AIX/HACMP/PowerHA/VIO
Sr. AIX System Administrator
 Creating Client LPAR partition and profiles on VIO and Mapping the SAN disks to
lpar for OS installation.
 Installation PowerHA System Mirror software. And Install PowerHA e-fixes.
 Configure PowerHA System Mirror using smart assist.
 Creating working PowerHA Cluster with nodes, repository disk and adding networks.
 Managing LVM on cluster.
 Configure Application, DB, and AS on cluster after App/DB
installation/configuration.
Red Hat Enterprise Linux Experience:
 User Administration tasks such as creating users, define or changing their attributes,
and define the security environment for the users.
 Configuring NFS Server, Exporting shared file systems among several servers in the
network and working on different related issues.
 Experience troubleshooting performance related issues (CPU, Memory, Network,
disks)
 Configuration of Volume group and logical volumes, extended logical volumes for
file system growth needs using LVM.
 Space management of disk & File systems i.e., Executing change order to create new
file system and increasing space as client requirement.
 Security Management (file/directory permission setting)
 Working on Network issues.
 Installing new packages when required using yum and rpm .
 Daemon & Process management (stopping, starting, refreshing).
 Managing log files, daily health checks.
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4. 7+ Yrs Exp in AIX/HACMP/PowerHA/VIO
Sr. AIX System Administrator
Detailed Experience:
Organization: IBM India Private Limited, Bangalore from Oct 5th 2009 to May 2016.
Designation: Sr. AIX System Administrator
 Strong AIX 5.3, 6.1 and 7.1 System administration experience.
 Good Understanding of LVM and Power Architecture (Power 5, Power 6 & Power 7).
 Experience on Installation & Upgrade of Fixes/Patches/APARs (Authorized Programming
Analysis Report) /TL.
 Experience on hardware and software configuration, LPARs/DLPARs/VIOs.
 Experience on Duel VIOs along with Partitions created using NPIV.
 Installing and configuring VIO Servers, building LPAR clients and sharing IO devices to
LPARs.
 Operating System ( Aix 5.3, Aix 6.1, Aix 7.1 ) installation on LPAR and on Standalone
machine
 Performing MksysB restore on LPAR and Physical servers.
 Migrating Aix 5.3 to Aix 6.1.
 Configuring NIM Master, Allocating NIM resources for network installation on clients.
Configuring NIM clients, configuring SMS menu with NIM Master details to network with
and troubleshooting any NIM related issues.
 Root password recovery from maintenance mode.
 Patching servers – installing TLs on the server, installing any customer requested software
and any third party tools on the server.
 Creating/Removing paging space, checking paging space usage and increase/decrease if
required.
 Working with SAN team to assign the SAN disks to VIO and Mapping SAN disks from VIO
to the LPARS.
 Creating NPIV-LPAR profiles on vio and mapping Virtual Fibre Channel adapter between
vio and lpar.
 Installing Storage related patches like Hitachi and 3PAR.
 Creating etherchannel on AIX servers and do the fail over.
 Configuring NFS on the servers, working with NFS mounts and related issues.
 Creating User, Group, home directories and password administering.
 Upgrading Firmware/Microcode on system and adapters.
 Strong knowledge with extensive hands-on on LVM :Create/Modify/Delete Volume Groups,
Logical Volumes and File systems, Add/Remove physical disks, Mirror Volume Groups and
Logical Volumes.
 Using alternate disk installation method when upgrading TL or ML on AIX Operating
system.
 Participated in AIX migration project - Migrating AIX Version 5.2 to AIX 5.3
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5. 7+ Yrs Exp in AIX/HACMP/PowerHA/VIO
Sr. AIX System Administrator
Operating System. And Migrating Aix version 5.3 to Aix 6.1.
 File system, logical volume planning and configuration.
 Creating file systems, checking for error report on servers. Running diag against
hardware of the server to diagnose any issues.
 Monitoring performance of AIX servers, Memory, CPU, Network and Disk activities
and analysing these reports and finding any issues that occur.
 Configuring interfaces, new devices installation and configuration.
 Finding hardware and software errors using errpt and taking necessary actions to fix if
any errors occurred.
 Disk replacement techniques, replacing fault disk (mirrored or non - mirrored).
 Working on issues on related to volume management, file system management.
 Fixing booting problem, working with bootlist, bosboot commands, fixing file system
integrity issues by running fsck.
 Mirroring and unmirroring rootvg, Exporting and importing volume groups
 Configuring system backup (mksysb), exclude files or directories from system
backup. Backing up user defined volume group using savevg
 Restoring the backed up data at the event of any disaster. System recovery using mksysb.
 Working with user management and security related issues – hardening Operating system by
setting user attributes as per client policy.
 Working with Managed system to configure VIO, LPAR partitions using HMC. Logging
into LPAR Console via HMC, performing actions like activate, dlpar operations, shutdown
partitions etc.,
 Configuration HACMP 6.1 cluster setup with p series servers. Have configured networks,
Shared Storage, VG creation, Resource group creation, Testing Fail over, analysing log files
to troubleshoot any problems.
 HACMP Cluster configuration, plan, design HACMP cluster nodes, Network configuration,
configuring disk heart beats, non ip heart beats, Performing failover testing, verification,
synchronization.
 Moving resources from one node to another, working with cluster services such as stopping
starting etc.,
 Configuring shared file systems, file system increase, decrease that are part of cluster.
 VIO Setup on P7-770 servers. Working with Network/SAN team to get enabled Network
ports and SAN ports, and configure NPIV.
 Creating the VIO partitions and their profiles. And install VIO software on vio profiles.
 Creating Etherchannel and SEA on VIO's.
 Creating Client LPAR partition and profiles on VIO and Mapping the SAN disks to lpar for
OS installation.
Migrating VIO servers to version 2.2
 Updating 10G adapter firmware on VIO servers and AIX Physical servers.
 Installation PowerHA System Mirror software. And Install PowerHA e-fixes.
 Configure PowerHA SystemMirror using smart assist.
 Creating working PowerHA Cluster with nodes, repository disk and adding networks.
 Managing LVM on cluster.
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6. 7+ Yrs Exp in AIX/HACMP/PowerHA/VIO
Sr. AIX System Administrator
 Configure Application, DB, and AS on cluster after App/DB installation/configuration.
 Testing Failover and fallback.
 GPFS: Install the GPFS software and configure the Cluster.
 Creating NSD with cluster Nodes.
 Creating mmfs filesystems.
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7. 7+ Yrs Exp in AIX/HACMP/PowerHA/VIO
Sr. AIX System Administrator
 Configure Application, DB, and AS on cluster after App/DB installation/configuration.
 Testing Failover and fallback.
 GPFS: Install the GPFS software and configure the Cluster.
 Creating NSD with cluster Nodes.
 Creating mmfs filesystems.
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