Aix Administrator

BHANU

acsn0z@r.postjobfree.com

Over *+ years of experience in Administration, Engineering and Development of Information Systems on AIX, Unix, Linux (RHEL), HP-UX and Sun Solaris.

Experience in System Admin specializing in AIX 5.1, 5.2, 5.3, 6.1 & 7.1 OS.

Experience in creating and managing LPARs on different IBM servers like p550, p570, p590, p595, p630, p650, p670, p690 and p770.

Experience in installation, configuration, Troubleshooting and administration of AIX 5L, 6.1 && 7.1.

Experience in build, performance, troubleshooting and Maintaining AIX and security Patching.

Performing Administration such as Virtualization and logical partitioning of CPU, DLPAR, HMC&IVM usage, VIO concept.

Administers and supports EPIC EHR environments on the AIX platform,

including Cache Administration of Production, Shadows and all testing & training environments

Performing administration on NPIV, by assigning the Virtual Fiber SCSI adapters and assigning the LUNs, LPM administration and performing the operational acceptance test in between managed systems to avoid any failures.

Sharing physical FC adapters to different LPAR’s through VIO server using NPIV and to ensure the LUNs are allocated successfully on the client LPAR’s.

Experience in IBM HACMP, POWER HA Cluster & working with the application team to ensure the applications start/stop without any failure in case of event failures.

Expert in Power HA migrations from different versions in different methods.

Experienced in administrating the POWER HA clusters like increasing the clustered filesystems and replacement of hardware dynamically in POWER HA cluster.

AIX Server build and administration of Blade server JS22, JS23 & JS42 and p-series p590, 570, 550 RS6000 Servers, installing, configuring and maintaining Web sphere Application Server.

Configuring SEA in dual VIO environment for providing continuous availability communication to the LPAR’s.

Experienced with installing and upgrading operating system on client using various methods including NIM installation using and creating LPPSOURCE and SPOT.

Exposure in Creation of VSCSI adapter and mapping the disk to client LPAR’s for the NPIV.

Creating shared processor pools Creation of LPAR's using micropartition.

Performance Tuning and Capacity Planning and evaluating products in UNIX area.

Strong in LVM (Storage Methodology) and file system management and recovery.Worked on striping of PPs and Mirroring Volume groups.

Implemented Dual VIO with Link aggregation and used integrated virtual device, VirtualSCSI disk through SAN as root disks to VIO-Clients and Fiber card virtualization using NPIV for application Vg. Implemented MPIO and Power path in VIO environment.

Migration of AIX OS from 4.3.3 to 5.1, 5.2 to 5.3 and 5.3 to 6.1 on P Series servers.

Migration of AIX Systems from old P4, P5 to P6 hardware.

Working on health care applications cerner and epic .

Experience in configuring and planning of LPAR's and DLPAR's.

Experience in configuring Micro Partitioning planning via HMC 7.

Experience with setting up VIO servers with V lan tagging and Live Partition Mobility

Experience with working EMC storage on IBM hardware.

Experience with booting L pars with SAN boot disks.

Experience in managing Net App filers with multiple TB Data storage.

Installed and configured VIO servers and LPARs via HMC 6 & HMC 7.

Configuring and administration of weekly mk sysb backup on AIX servers.

Installation of patches, Security fixes, packages on AIX, Oracle Solaris, Linux and Windows NT/2000,

2003Servers.

Configured shared Ethernet adapters, virtual disks, MPIO in VIO.

Configuring and administration of NFS server and NFS client.

Designs, implements, and manages EMC Snapview Snapshots & Clones on several required systems, including the Epic Production environment, critical non-Production environments and Clarity Production systems

Installed and configured IBM Web Sphere Application Server […] on AIX, Oracle Solaris and Linux.

Performed NT and UNIX Network System Administration, including adding NT and NIS domains, creating new users and groups with multi-levels of security, creating assign file attributes & permissions, defining network protocols, insuring TCP/IP and router connectivity.

Installed and Configured DB2, Web Sphere Application Servers on AIX Server.

Experience in installing new software on AIX 4.3, 5.2, 5.3, 6.1, 7.1

Upgrading Technology Levels, Adding network printers and conducting day-to-day system administration, Including backup /recovery in NAS environment.

24x7 Infrastructure and Application support.

Technical Skills:

Operating System

IBM AIX 5.X, 6.X 7.X, Red Hat 4.X, 5.X, Sun Solaris 8, 9, 10, ESX (i), Windows NT

Hardware

IBM p510, p550, p570, p595, p770, p780, Blade Server JS22, JS23, HP C6000

Storage

EMC Symmetrix, VMAX, IBM DS4700, DS6800

Cluster

HACMP 5.4, Power HA, VERITAS Cluster

Network HA

Ether Channeling, NIC Bonding.

Storage HA

HDLM (Hitachi), Power Path (EMC), DMP (VERITAS), MPIO

File System

AIX Logical Volume Manager, VERITAS Volume Manager 3.X, 4.X

Virtualization

HMC, SDMC, VIO, IVM, VMware v Sphere client 4.X/5.xi

Servers

Apache Web Server and Web sphere Application Server, Jboss

Centralization

LDAP (Red Hat), Kerberos (Windows AD), NIS

Service Management

Infra, BMC Remedy, Team Track

Third Party Tools

BMC Patrol, Remedy, CMDB, Blade Logic

EXPERIENCE:

AIX / LINUX Administrator

CVS, Woonsocket, RI FEB 2014 -Till Date

Responsibilities:

Installation, up gradation and migration OS from AIX 5.3/6.1 to AIX 7.1 on IBM Power5/power6/power7 based hardware.

Installation & configuring of Power HA 6.1.

Migrated Power HA from 5.x to 6.1 using different methods to reduce the downtime to the application.

Performing fail-over, fall back between the HA cluster nodes.

Administers and supports EPIC EHR environments on the AIX platform,

including Cache Administration of Production, Shadows and all testing & training environments

Troubleshooting the POWER HA and increasing the file system in HACMP/POWER HA cluster.

Hardware replacement of cluster nodes without any downtime.

Configured IBM P-series 770, 750, 595, 570,550 and RS/6000 machines for production and test environments.

configured Power HA 6.1 and troubleshooting and epic Application

Setup and configured TCP/IP network on LINUX and AIX.

Worked with implementation team of high availability cluster on IBM RS/6000 platform (HACMP for AIX).

Creating LPARS and configuration of DLPAR scripts for load sharing.

Installed and configured network services such NFS, NIS and DNS Server.

Adding physical volumes, creation Volume groups, File systems, Storage allocation, cron jobs, maintenance levels upgrades and applied Fixes for AIX 5.x.

Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.

Worked in the migration team for migration from AIX 4.3.3, 5.1 to 5.2 and 5.3.

Configured backup/archive policies using Tivoli Storage Manager.

Performed routine checks on nodes by monitoring syslogd and errorlogs for system and hardware errors.

Installing, upgrading and configuring Red hat Linux ES 4.x/5.x using kick start installation.

Setup cron jobs schedules for various backup and monitoring tasks. Supported with enterprise backups using VERITAS Netback up version4.5.

Installed, configured and administered Websphere Application Server 4.x/5.0.

Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement.

Performed extensive Logical Volume Management (LVM) tasks.

Installed and configured Sudo for users to access the root privileges.

Installed application connectivity software to enable IBM print services. Configured and administered fire wall rules, including the use of SNORT, NMAP to effectively monitor system files, port security, and network traffic activity coming through the firewall.

Developed Korn and Bash shell-scripts to automate routine activities.

Installing and setting up Oracle9i on Linux for the development team.

Built, configured and maintained three sets of grid infrastructure clusters of 16, 7 and 8 nodes respectively using Red hat cluster and GFS2 shared storage, on cisco UCS and VMware esxi.

Build and configuration of Red Hat Clusters: 'classic' HA and Global File System (GFS2) Clusters

New build oracle RAC Cluster as per the requirements of DBAs.

Build Grid cluster, Application and Web cluster servers in DR.

Build cloned servers by taking mk sysb image of existing server and then configuring IP address and hostname.

Created, administered & managed Logical Volume Manager, VERITAS Volume Manager, and NFS& CIFS.

Worked on all the new IBM Pure Systems (Pure Data, Pure Application and Pure Flex Servers)

Managed Inventory, Inventory Audits, Capital Expenses and overall technical support for the department.

Reliability (RAS) and verification of hardware/software of Blade Center and Pure Flex systems

Created standalone LPARs on P510, P520, P550, P570

Configured and installed 5.3.10, 6.1 and 7.1 through DVDs and NIM Server

Upgraded firmware level from 240 to 403 on p510, 520 machines.

Configured and installed NICs and ran cables from p series servers to Cisco 6500 E catalyst switches for network connectivity.

Setup/Manage a 2-node Red Hat cluster for our GFS2 environment.

Configured and installed Power broker 5.2.

Configured and installed HP OVO alarm point client software.

Installed and Configured 2 nodes in HACMP cluster.

Performed Migration from HACMP 5.2 to HACMP 5.4.1.4

Configuration and administration of Fiber Adapter's and handling AIX part of SAN.

Worked on Net App filers FS6000 and SAN brocade switches for providing LUNs to the server. Worked on Netback up tapes.

Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.

Assists in the design, implementation, maintenance and regular testing of the Disaster Recovery strategy for all critical UNIX-based systems, which includes the Epic EHR infrastructure

Dealing with user id deletion with removing entries from CRONTAB.

Performing Failovers in HACMP cluster environment, monitoring servers and troubleshooting.

Created and maintained FILESYSEMS by increasing the space and running FSCK's.

Upgrading, configuring & troubleshooting various cluster technologies such as VERITAS Cluster Server, VERITAS Volume Replication, Oracle RAC, HACMP &GPFS cluster Upgraded servers using Alt Disk Migration procedures and Migration Installation.

Worked on performance monitoring and setting up tuning parameters.

Configured Work Load Management (WLM) for IBM Web sphere Application Server.

Installed and configured Sudo for users to access the root privileges.

Performed Web Sphere Environment management through a routine check of Disk Space, CPU utilization and Performance monitoring by using Shell Scripts.

Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers.

Developed Korn and Bash shell-scripts to automate routine activities.

Installing and setting up Oracle9i, 10g, 11g on AIX for the development team.

Wrote shell scripts for automated installations to extract logs.

AIX / Datacenter Specialist

EVERSOURCE, CT July 2012 – Dec 2013

Responsibilities:

Delivered infrastructure projects like IBM frame build, vlun fixing, VIO upgrades HMC upgrades, system firmware upgrades, change managements of production servers etc.

Managed the work load for UNIX resources to meet deadlines for various technical tasks related to PCI/PII, SOX, MSB and various other audits. This workload includes system hardening, OS upgrades, support database/application upgrades.

As a member of a global team, I was performing my duties in various aspects of UNIX administration My prime work responsibilities include managing project work, production support and tasking remote team and local junior system administrators.

Performed Migration and/or Preservation Installations and upgrades from AIX 5.3 to AIX 6.1and AIX 7.1.

IBM Power VM experience including setup and management of VIO partitions and performance tuning on IBM hardware specifically 9117-570, 9113-561, 9117-MMA.

Setup and installation of VIO servers, VIO clients, setup of network and disks in virtual environment. Virtual server backup and restoration.

Written Shell scripts to collect server statistics

Used svmon command a lot in scripts for memory aspects

Written Scripts that will generate reports as per the business

Written Shell scripts to create users on multiple servers

Written Shell scripts to check if all the servers have dual SAN paths and if they are live paths

Implements and managing resources in VIO server for client LPAR’s.

Supporting of the system monitor, trouble shoot, problem solving, support and fix operating system and hardware problems on several versions of AIX systems.

Responsible for creating LPAR’s from the HMC and allocating resources to each individual server and hence building the servers from scratch.

Configuration of VIO server and VIO clients from Hardware Management Console.

Expertise in installation, Configuration and Troubleshooting of High Availability Clusters HACMP.

Responsible for migrating HACMP from v5.4 to 5.5 and to PowerHA.

Clustered multiple p-series machines on AIX 5.3 and AIX 6.1 using HACMP 5.4 and IBM PowerHA.

Responsible for installing configuring, migrating and maintenance of GPFS version 2.1 and 3.3

Administering and troubleshooting of AIX HACMP Clusters.

Migrated from HACMP 4.3 to 5.1 and from HACMP 5.1 to 5.2 and 5.4.

Disk Management on AIX using LVM commands and external storage device.

Designed, installed and configured HACMP cluster environment, with cascading and mutual takeover.

Troubleshooting on High Availability Clusters (HACMP).

The luns added to RAC DB were using Oracle ASM (Automatic Storage Management) and not AIX LVM.

Each server in Oracle RAC cluster required SAN disk storage dedicated to itself, as well as SAN disk storage that is shared between all servers in the cluster and all these Luns were using Oracle ASM (Automatic Storage Management).

Once the Luns were allocated to RAC ASM they were to be managed by Oracle DBA’s

Upgrading HMC version from 6.x to 7.3.4 and 7.3.4 to V7R4 SP 0(7.4.0.0) and applying efix.

Daily tasks included dealing with AIX/Solaris side of SAN (EMC). Like troubleshooting Fiber card adapter, replacing Fiber card adapters. Configuring LUN’s back.

Adding new managed systems to the HMC and upgrade the firmware of the HMC’s as required.

Performed the daily system administration tasks like managing System resources, Disk space resources, operations and security.

Installing and Configuring and troubleshooting applications SAP, Oracle, DB2 and Web sphere.

working with LVM, Disk mirroring, un mirroring, Disaster Recovery

Responsible for Profile backup of Managed Systems and Critical backup of HMC.

Responsible for new installation and migration of servers through NIM, software installation and updating through NIM.

Performed NIM installation of AIX servers using Virtual Ethernet within a managed system.

Built AIX OS complete/migration/preservation installation for the IBM P series, 550,570, 590, 595, 690 with Operating System levels of 5.1, 5.2, 5.3,6.1 TL5 SP6.

configured TSM environment, Create and Automate Backup Schedules and Cleanup processing, scheduling of backups, Add backup jobs to the TSM schedule, Associate TSM clients to the scheduled jobs

24x7 on call server support for UNIX environment including new hardware in Data Center.

AIX Administrator

West Corp, West Omaha, NE Aug 2010 - June 2012

Responsibilities:

Responsible for Installation, Configuration, Support and troubleshooting existing systems in AIX 5.2 and 5.3 operating environment.

Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.

Setting up NIM servers and clients for New & Complete Overwrite/Migration Installation management and NIMADM upgrade.

Have upgraded servers from AIX 5.1 and 5.2 to 5.3.

Configuration management including the building of LPAR’s using HMC and configuring the hardware devices that support them.

Extensively used LVM - created VG’s, LV’s & disk mirroring for IBM p-series servers.

Experience in studying the kernel performance issues using various utilities like topas, vmstat, svmon and iostat.

Responsible for backing up the system image mksysb and restoring them during the system recovery process.

Capacity planning of disk space and hardware resources required for production and developments.

Responsible for migrating and decommissioning of the system.

24/7 support, setup and configuration, AIX OS installation/Migration/Cloning, System support and Administration of IBM RS/6000 and p4 Servers.

Applied Security Fixes, APARs and upgraded Maintenance Level.

Backup, System Recovery, Security and Performance Tuning.

Assist Application department to install application on AIX system. Tune AIX for application requirement Working with application admin to resolve performances of systems.

Coordinated team for upgrade AIX 5.1 to AIX 5.2.

New system planning, System related problem determination and resolution.

Building of new VIO Servers and clients from p-series p550, p560, p570, p590 using HMC.

Creating Logical Partitions of VIO Servers and VIO Clients on p Series frame and assigning processor, memory and Ethernet adapters to VIOS and assigning memory and processor to VIOC (LPAR’s).

Installation of VIOS 1.5.2.5, VIOS Fix packs 11.1 Service Pack via NIM Server.

Installation of AIX 5.3 on all VIOC/LPAR Clients, installation via NIM Sever.

Installation and configuration of VIO servers and updating system firmware by using HMC along with Logical Partition technology (LPAR’s).

Building and configuring AIX V6.1, 5.3 on LPARs using NIM.

Responsible for the support of Production, HA, DR, QA and Development environments with over 30 servers (v240, v490 and E2900) running on Solaris 8 and Solaris 10.

Responsible for monitoring systems performance and troubleshoot system / network bottlenecks.

Written Shell scripts to collect server statistics.

Used svmon command a lot in scripts for memory aspects.

Documenting each and every procedure and uploading the Documents on the Internal Web Portal of the Company for Team Reference.

AIX / UNIX Administrator

Velocity, Minneapolis, MN Jun 2009 - July 2010

Responsibilities:

Hardware Maintenance and System Administration of existing p-series systems running AIX 5.3.

Logical volume management and disk management.

Administered the UNIX System for clustered AIX Servers running HACMP and DLPAR’s with fiber attached SAN storage.

Created users, manage user permissions, maintain User & File System quota.

Setup network printers and installed client/server applications.

Configured lpp_source and SPOT on NIM server.

Installed OS on NIM clients using NIM Server.

Define/setup network protocols, Network File Services (NFS) and (NIS).

Network management of TCP/IP networks, IP address management.

Performing upgrades of OS and applications.

Korn & C shell scripting, mainly for scheduling jobs (CRONTAB).

Inventory management for Software and Hardware.

Tested products for evaluation purposes and documented for necessary changes required as per environment.

Performed daily backups, restoration of data as per requests from developers.

Configured SSH for secure telnet and FTP connections.

Configuration and administration of Fiber Adapter's and handling AIX part of SAN.

Configured DNS, LDAP, I-planet, Apache HTTP servers.

Configured Microsoft Active Directory, PDC, and BDC domains.

Provided 24x7 on call server support for UNIX environment including AIX, Linux, HP-UX, and Sun Solaris.

Performed User Account management, data backups, and users' logon support.

Diagnosed hardware and software problems and provided solution to them.

Monitored trouble ticket queue to attend user and system calls.

Attended team meetings, change control meetings to update installation progress and for Upcoming changes in environment.

Updated data in inventory management package for Software and Hardware products.

Capacity Planning, Infrastructure design and ordering systems.

Worked with DBAs on installation of RDBMS database, restoration and log generation.

System Admin

Beetel Business Solutions, Hyd JAN 2008 – MAY 2009

Responsibilities:

Administering and configuring AIX Ver.5.2/5.3/5.4 on P4 and P5.

ML, TL updating and APAR, fix installation, and patch update on AIX and devices on requirements basis and on customer specifications.

Creating User, Group home directories and password administering.

Installing new software / file sets, packages and other third party applications when required by the developer or business.

Using alternate disk installation method when upgrading or installing TL or ML on AIX Operating system.

Participated in AIX migration project - Migrating AIX Version 5.1 to AIX 5.2 Operating System.

Configuring NIM master, NIM resources, installing OS on NIM clients.

Checking error reports and health check of the servers, running snap on AIX Server to analyze system issues.

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.

HACMP Cluster configuration, plan, design HACMP cluster nodes, Network configuration, configuring disk heart beats, non ip heart beats, Performing failover testing, verification, synchronization.

Perform health checks on HACMP nodes, running cluster statistics to find cluster stability, finding resource group status etc.

Creating Volume Group, Logical volumes and file systems in both standalone and HA environment.

Performance monitoring using vmstat, iostat, sar, topas, net stat and nmon and analyzing these reports to figure out any performance issues.

Configuring NFS on the servers, working with NFS mounts and related issues.

Taking regular system backup using mk sysb and volume group backup using save vg utilities.

Creating /removing paging space, checking paging space usage and increase/decrease if required.

HMC connectivity for managed systems (p520, p550 and p570) through Web SM remote client.

LPAR operations including: scheduling operations, troubleshooting activation errors, configuring and using system profiles, and activating and shutting down partitions, Power on/off partitions.

Experienced in supporting Red hat and Solaris servers.

Dynamically add, remove and move resources in the LPARs.

Dedicated and shared processors, processing unit, and allocation of processing power from the shared processor pool etc.

EDUCATION: Bachelor of Computer Science

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