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Sr Principal Infrastr Eng

Keywords / Skills : Sr Principal Infrastructure engineer, OCFS, Automatic Storage Management, RAC nodes, TAF, Real Application Cluster

7 - 10 years
Posted: 2019-08-20

Industry
IT/Computers - Software
Function
IT
Role
Software Engineer/ Programmer
Posted On
20th Aug 2019
Job Ref code
07729946
Job Description

Technical Skills:
  • Experienced in designing, installing, configuring and maintaining Real Application Cluster (RAC) using raw devices, OCFS, Automatic Storage Management (ASM) and SRVCTL utility.
  • Successfully implemented Adding/Deleting RAC nodes, TAF and Load Balance.
  • Worked with Real Application Cluster (RAC) databases. Used SRVCTL utility for managing multiple instances and nodes.
  • Doing the RCA (Root Cause Analysis) for Node Eviction (ORA-29740) also for CRS reboots & other issues.
  • Troubleshooting the clusterware startup issues.
  • Applying latest patchsets for CRS & RDBMS home. Including Rolling & Non- rolling upgrade of the CRS.
  • Troubleshooting on why the CRS has not started resources as on when reboots. Enabling additional debugging as on when required for the resources using crsctl debug res command
  • Generating ocrdump & check the ocrlog file to see ocr keys corrupted or not.
  • Locating & Using the log files for CRS,RAC.
  • Adding/Deleting Nodes using dbca or manually.
  • Issues eg. Root.sh has not executed successfully on 2 node and patching issues, vipca fails.
  • Doing the RCA(Root Cause Analysis) for Node Eviction(ORA-29740) also for CRS reboots & other issues.
  • Troubleshooting RAC startups, crashes, evictions, reboots, corruptions, failover & failback of VIP.
  • Handling OUI reports errors "VIPCA is not a public interface.
  • Locating & Using the log files for OHASD,CRS,RAC & Data Guard.
  • Executing cluvfy pre-checks & post-checks after performing CRS & Database Software Installation.
  • Installation propagation problems. Enable tracing for OUI & checking which IP is used for copying the binaries from one to another node.
  • Adding/Deleting Nodes using dbca or manually.
  • Troulbeshooting on why the CRS has not started resources as on when reboots.
  • Enabling tracing for srvctl PRK* using SRVM_TRACE(Oracle 11g R2) if the srvctl commands did not work & analyzing the traces.
  • Stopping CRS reboot loops when CRS problem occurs.
  • Used different crs*, ocrconfig,crsctl comamnds as on when needed.
  • Generating ocrdump & check the ocrlog file to see ocrkeys corrupted or not.

Primary Comp & : Database - Oracle RAC
Skill Percentage - 100
Skill Version - 12c
Proficiency - Expert(>9yrs)

About Company

Mphasis is a leading IT solutions provider, offering Applications, Business Process Outsourcing (BPO) and Infrastructure services globally through a combination of technology knowhow, domain and process expertise. The accolades we have been garnering can be attributed to our undeterred focus in delivering quality solutions across verticals that meet the challenging requirements of our esteemed customers. We have been recently felicitated by the economic times as the most distinguished digital company 2015. We have also been ranked 29 of 100 largest financial technology vendors by American Banker and BAI in the FinTech Forward Top 100 rankings.
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