Hình đại diện của ashu6478
@ashu6478
Cờ của India Bangalore, India
Làm thành viên từ Ngày 24 tháng 05 năm 2017
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ashu6478

Trực tuyến Ngoại tuyến
• Over 14 years of experience working as an Oracle DBA. • Worked on Oracle Database 10g/9i/8i implementation (Complete life cycle) and Support projects. • Major activities performed as installation and upgrade database to 11gR2 from oracle 10gR2 • Experience of installation Oracle 10GR2 RAC Databases with ASM and OCFS2. • Experience of Setup of DR 9i/10g Dataguard database with RAC or Non RAC Env. • Strong experience of Migration for DB with TTS. • Experience working on multiple OS platform like HP, Sun, Linux and Microsoft Windows. • As a core DBA, have worked on installations/capacity planning, Database upgrades, Backup strategy planning/configuration, Database recovery, SQL query and database level performance tuning, replications by Streams. • Handled Oracle 10g/ 9i / 8i databases in large multi-site production and development/testing environment. • Performed database upgrade from 8i to 9i and 9i to 10g to Oracle 10g RAC from single instance.
$13 USD/hr
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Portfolio

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Trải nghiệm

Oracle RAC implementation and DBA Support

Nov 2008 - Dec 2008 (1 month)

• Migrated existing Oracle 9iR2 (9.2.0.7) database on Windows to Oracle 10gR2 ([login to view URL]), with 2 Node Real Application Cluster with Sun Clusterware with ASM on SUN Solaris. • Improved the 40% overall performance from existing system. • Design all technical documentation. • Running health check and Diagnostic Scripts. • Involved in Performance Tuning activities like Rebuild indexing, Generating Statspack report, AWR, ADDM, ASH reports.

Database Migration and DR site implementation and DBA Support

Jul 2008 - Oct 2008 (3 months)

• Migrated existing Oracle 9iR2 (9.2.0.4) database to Oracle 10gR2 ([login to view URL]) with 3 Node Real Application Cluster with ASM, OCFS2 on Linux RHEL 4 in Minimum Downtime. • Using Transportation tablespace for Migration Oracle 9i Single database to 3 Nodes Oracle 10g RAC with ASM on RHEL4. • Improved the 30% overall performance from existing system • Involved in setting up Disaster Recovery database using 10gR2, 2 Node RAC Dataguard for primary database of 3 Node RAC.

Implementation RAC database and DBA Support

Jun 2008 - Jul 2008 (1 month)

• Setup 2 Nodes Real Application Cluster of Oracle 10gR2 ([login to view URL]) Enterprise Edition with ASM. • Tuned the above systems resulting in 20% overall performance increase. • Involved in setting up of Oracle 10g Enterprise Managers across Production databases. • Setup RMAN for Oracle DB backup, • Design all technical documentation. • Involved in Performance Tuning activities like Reorganization of database objects, Rebuild indexing, Generating Statspack, AWR, ADDM,ASH reports.

Node addition in Oracle RAC and CRS migration

Sep 2006 - Jul 2007 (10 months)

• Removal of IBM-HACMP Cluster from 2 Node Oracle 10gR2 ([login to view URL]) Real Application with ASM without affected ASM Disk group. • Adding 3 new node in existing 2 Node Oracle 10gR2 ([login to view URL]) RAC without downtime. • Distributed the 40% load another Machine and improved the Performance. . RMAN backup with Legato Networker for Oracle DB backup

Giáo dục

Master of Computer Application (MCA)

1999 - 2002 (3 years)

Các xuất bản

Rebuild Corrupt ASM disk

I want to share my experience when I was adding new node3 existing two node RAC node1 and node2 environment. Due to wrong disk mapping on node3, one ASM disk group has got corrupted. We was using external redundancy.

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