Jamalaiah Yalama, Subject Matter Expert

Jamalaiah Yalama

Subject Matter Expert

Microland

البلد
الهند - بنغالورو
التعليم
ماجستير, MCA
الخبرات
19 years, 6 أشهر

مشاركة سيرتي الذاتية

حظر المستخدم


الخبرة العملية

مجموع سنوات الخبرة :19 years, 6 أشهر

Subject Matter Expert في Microland
  • الهند - بنغالورو
  • أشغل هذه الوظيفة منذ يونيو 2012

I am working as an SME with Microland Ltd. I have worked on several performance issues and annual DR test and documented DR procedures. Trained team on 11g RAC and Golden Gate.

Roles & Responsibilities:

 Working on 11gR2 RAC Installation.
 Converting single instance databases to RAC and migration.
 Rebuilding physical standby databases
 Working on performance tuning and resolving business critical high severity issues.
 Successful completion of Disaster Recovery Tests
 Worked on DB Replay to compare performance for migration activity.
 Worked on logical standby
 MySQL database administration at L1 level.
 Managing team to adhering to client SLAs and work load distribution with in the team.
 SQL Server administration.

Lead Infrastructure Enginer في Mphasis
  • الهند - تشيناي
  • سبتمبر 2008 إلى يونيو 2012

I have worked as Primary DBA and transitioned multiple accounts from EMEA region to bestshore DBA teams in India which involved on-site travel to Netherlands, Working at client locations, receiving KT, giving reverse KT and overcoming several challenges at technical and process level and in establishing good rapport between on-site and off-shore teams.

Environment:

Operating Systems IBM AIX6.1, SunSolaris 2.10/2.9/2.8/sun containers, Linux el5,
HP-UX B.11.23 and Windows 2000/2003/2008
Oracle Versions Oracle 11gR2, 10g, 9i and 8i
Tools 10g Grid Control, Control-M, Patrol, Perigrine Service Center, Autosys, TNS Tool
Backups TSM and Net backups


Roles & Responsibilities:

 Lifecycle migrations that involves Database migrations and upgradation, cross-platform migrations, upgrading from 9i to 10g, 10g to 11g.
 Standby rebuilding and RMAN cloning at frequent intervals.
 Hands on with RAC Administration. Experience in 9i RAC with HACMP cluster and raw devices. 10g and 11g RAC with ASM
 TSM backup management and Configuration on windows, SunOS, AIX, Linux and HP-UX.
 Transitioned 6 projects as Primary DBA from UK and European Countries taking KT from on-site teams and giving reverse KT to Off-shore teams in India.
 Working for multiple accounts as primary DBA and closely working towards resolution of high priority issues.
 Hands on with performance tuning with OEM, AWR and ADDM.
 Oracle Installation of various versions. 11g, 10g, 9i and 8i on Windows and UNIX.
 Worked with team in setting up OEM 10g Grid Control for monitoring and maintenance.
 OEM agent patching.
 Partitions creation and purging old partitions.
 Managing Backups and retention, and purging TSM old backups with tdposync.
 Space management with Database and File System with Quarterly Capacity Planning.
 Planning and working on Disaster Recovery Drill and ensuring successful recoverability tests with in SLA.
 Standby configuration and Maintenance.
 Database Decommissioning
 Documentation of all the processes and technical issues and maintaining in common repository.
 Worked on Flashcopy to clone production databases on HACMP cluster.

Process Developer في GE
  • الهند - حيدر اباد
  • ديسمبر 2004 إلى سبتمبر 2008

Roles & Responsibilities:

• Monitoring databases and database Backup failures and re-run failed production backups.
• Space administration
• Decommissioning Databases
• Log shipping administration. Ensuring logs are transferred correctly to the staging servers.
• Creating users, roles and giving requested grants and dropping users.
• CPU patching and bug fix patching
• Worked on Upgrading database from 9.2.06 to 9.2.0.8
• Automation of Monitoring to generate mail alerts for space and backup failures.
• Worked on simple performance issues under the guidance of L3 team.
• Standby Management on RAC servers. (2 Node RAC with Dataguard)
• Troubleshooting issues found in alert log and requests received.
• Worked on schema and database refresh from production to UAT and development servers.

الخلفية التعليمية

ماجستير, MCA
  • في IGNOU
  • ديسمبر 2011

MCA with 68% from IGNOU - 2011.

بكالوريوس, Computer Science
  • في Osmania University
  • يوليو 2003

B.Sc Computers from Osmania university

Specialties & Skills

Database Servers
Shell Scripting
Database Optimization
SQL Server
Oracle RAC
CHANGE MANAGEMENT
CLONING
DATABASE
DISASTER RECOVERY
PERFORMANCE TUNING

اللغات

الانجليزية
متمرّس
التاغالوغية
متمرّس
الهندية
متوسط

التدريب و الشهادات

OCP (الشهادة)
تاريخ الدورة:
December 2009
صالحة لغاية:
December 2009
OCP (الشهادة)
تاريخ الدورة:
April 2013
صالحة لغاية:
April 2013