K unal Langer

+91-900*******

acoyvl@r.postjobfree.com

SUMMARY

More than 8 years of experience in Server Solution designing, Implementation, Software Testing,

D evelopment and Support. System Administration experience on IBM Power Servers and AIX. IBM

P owerHA (High Availability and Disaster Recovery solution) and Virtualization services.

COMPUTER SKILLS

Languages

• Proficient in: C, Shell Script.

S oftware

• Operating System: AIX, Unix, Linux (SUSE linux)

• Platforms: IBM Power Servers

• Database: MS SQL, Oracle SQL, PL/SQL

Other Skills

• IBM PowerVM virtualization

• IBM PowerHA SystemMirror (High Availability and Disaster Recovery)

• AIX Administration

• Functional testing.

•

EXPERIENCE

April 2012 - present

Technical Solution Consultant

IBM India

• Primary responsibility include scoping, analysis, design, deployment and implementation

o f IBM Power Server solution based on customer requirement using AIX and VIOS –

P ower7, Power7+, Power8 and PureFlex Power Compute Nodes (p460, p240)

• Plan, design and deployment of high availability and disaster recovery solution for the

c ustomers using IBM PowerHA SystemMirror for AIX.

• Perform IBM PowerCare services including Availability Assessment and Health Check

A ssessment for IBM Power Servers, AIX and PowerHA and propose recommendations as

p er best practices.

• Proof of Concepts for IBM Power8 Servers, IBM PowerVC and CMO

• Conducted many IBM PowerCare services such as 3-days PowerHA Workshops, 3-days

P owerVM Workshops on introduction, installation, configuration and basic administration.

• Perform AIX System Administration and Troubleshooting as and when required.

• Perform AIX Security – RBAC, Encrypted File System, Trusted Execution, AIXPert (AIX

S ecurity Expert) implementation and Security Assessments

• IBM PowerVC – Virtualization Center.

• Linux on Power, PowerLinux Implementation.

• Additionally conduct classroom trainings for customers on following courses:

PowerHA SystemMirror 6.1 Planning, Implementation and Administration

o

PowerHA SystemMirror 6.1 Migration, Extended Configuration and Problem

o

D etermination

PowerHA SystemMirror for AIX III: Virtualization and Mobility

o

PowerHA/XD: Extended Distance and Disaster Recovery.

o

PowerHA SystemMirror 7 Planning, Implementation, Customization and Basic

o

A dministration

PowerHA SystemMirror 7 Advanced Configurations

o

Power Systems for AIX – Virtualization I: Implementing Virtualization

o

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Power Systems for AIX – Virtualization II: Advanced PowerVM and Performance.

o

PowerCare: Security for Power Systems AIX

o

• Standardized the Document of Understanding (DoU) for IBM PowerHA Standard Edition

a nd Enterprise Edition Health Check Assessment and Implementation Services offered.

• Performed PowerHA Health Check Assessment for two customers at a very critical

j uncture, much to the satisfaction of all the stakeholders thereby helping S ales in

c ustomer retention .

• Co-authored three IBM Redbooks- “IBM PowerHA SystemMirror Standard Edition 7.1.1 for

A IX Update”, “IBM PowerHA SystemMirror 7.1.2 Enterprise Edition” and “IBM PowerHA

S ystemMirror 7.1.3 for AIX Best Practices and Reference Architectures”

• Published three-part series article on IBM PowerHA SystemMirror for AIX, HyperSwap in

I BM Systems Magazine.

• Contributed two articles in IBM DeveloperWorks titled “IBM PowerHA SystemMirror

H yperSwap with Metro Mirror” and “IBM PowerHA SystemMirror Cluster Migration”

• Recognition – I BM STG Lab Services “LST Awards” for 4Q 2012. Cash reward conferred

f or all the work done related to IBM PowerHA Implementations, Assessments for various

c ustomers in short duration with satisfaction of stakeholders.

J un 2008–

Level 3 Development

M ar 2012

IBM India

• Primary responsibility include sustenance of IBM PowerHA SystemMirror Standard Edition

a nd Enterprise Edition code base handling customer reported PMRs, APARs.

• Administration of Power Servers and IBM PowerHA SystemMirror Clusters

• Handle issues related to Cluster Manager, Cluster verification and PowerHA Extended

D istance features especially GLVM, PPRC and SVC-PPRC

• Modified and tested memory leak issue in cluster manager code of IBM PowerHA using C,

C ++ and Memory allocation libraries.

• Modified and tested file descriptor leak in cluster manager code.

• Fixed and stabilized HAGEO’s GMD kernel extension

• Published white paper titled “Migration from HACMP/XD for HAGEO to PowerHA

S ystemMirror Enterprise Edition, GLVM Configuration”. The paper widely appreciated and

r eferred by customers in seamlessly moving from HAGEO (out of support feature) to

G LVM.

• Presented Poster session on “Smart Assist for PowerHA” in IBM Systems Software

E xchange, Bangalore 2011.

• Speaker for “What’s new in IBM PowerHA”, “GLVM”, “Network Requirements in PowerHA”

a t ‘IBM Power Systems and Systems Software Conference, Bangalore 2010’

• Recognition :

• IBM Thanks Award for bringing down the Defect backlog count under control.

• Client appreciation for the interim fix given for memory leak and file description leak

i ssues.

• Client appreciation for stabilizing GMD kernel extension

Sep 2006 – May 2008

PowerHA Functional Testing

IBM India

• Perform functional, system and migration testing of IBM PowerHA SystemMirror (formerly

H ACMP)

• Prepared test plan and test cases for the functional and regression testing of feature

“ SNMP Trap handling in HACMP with PPRC” on DS8000, DS6000 and ESS800 storages.

• Prepared test plan and test cases for the functional, system and regression testing of

f eature “Capacity Upgrade on Demand” in PowerHA SystemMirror with IBM Power

S ervers (P5 servers)

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• Performed functional and system testing of Synchronous and Asynchronous mirroring

f eature in Geographic Logical Volume Manager (GLVM) with PowerHA.

• Recognition :

• Global Business Impact Team Award 2007.

• Up-line management appreciation for supporting Japanese Language test team in

v erifying the Help text messages and other feature messages.

•

Oct 2002-June 2006

Sri Krishna Institute of Technology

Bangalore, Karnataka

• Bachelor of Engineering in Computer Science

•

Dated 12/03/2015

S igned

K unal Langer

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