Manager Power
Resume:
K unal Langer
*************@*****.***
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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