How Exadata patch installation ended up with redolog block corruption in critical Telco database
Track
DBA & Infrasturktura
Datum i vrijeme
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Dvorana
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Trajanje
45'
Patching an Exadata is one of the main tasks of a DBA which should be done carefully quarterly every year. The first part of the session explores in detail the step by step Exadata patching process with no downtime. In the second part you will see how the patching process of one of the main Telco Exadata machines failed due to an ASM bug and ended up with the redo log and datafile block corruption which was about to lead to the critical downtime. By the end of the session you will not only have a good understanding of Exadata patch installation, but also have the knowledge of the patch installation best practices
Detalji o predavanju
O predavaču
Kamran Aghayev, autor
Kamran Aghayev A. is an Oracle Certified Master (10g/11g), Oracle Clusterware Certified Expert and RAC Implement Specialist (11g/12c), Oracle Certified Professional (9i,10g,11g,12c) and Oracle ACE Director working as a Data Management team head at AzerCell Telecom. He’s responsible for managing critical databases and building high-available Big Data environment, administering Hadoop clusters and using different technologies like Spark, Hive, Kafka, Scala, Impala, Flume and hands-on experience with RDBMS databases like Oracle, MS-SQL, MySql, PostgreSQL and NoSQL databases like Cassandra, Redis, MongoDB and HBase Having experience in a wide range of mission critical technologies, specializing in best practices for Oracle Exadata, Real Application Cluster, ASM, Data Guard, Performance Tuning and Backup and Recovery he's authored two books : "Oracle Backup and Recovery: Expert secrets for using RMAN and Data Pump" and "Study Guide for Oracle Certified Master 11g Exam: A Comprehensive Guide". He is President of Azerbaijan Oracle User Group (AzerOUG) and runs a popular blog http://www.kamranagayev.com where he shares his experience and contributes fairly regularly to newsgroups, forums, and user group meetings and events around the world. He is a frequent speaker and presented in many countries, most recently at the USA, Japan, Thailand, China, India, Argentina, Uruguay, Panama, Costa Rica, Mexico, Guatemala, Finland, Germany, Croatia and Turkey