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Architects' Tech Alliance

Mar 21, 2022 · Databases

Oracle Real Application Cluster (RAC) Architecture, Components, Storage Options and Management

The article provides a comprehensive overview of Oracle Real Application Cluster (RAC), detailing its two‑part architecture of Clusterware and RAC instances, shared storage configurations, key Clusterware processes, storage options, benefits such as load balancing and high availability, as well as its management and planning considerations.

ClusterwareOracleRAC

0 likes · 13 min read

Oracle Real Application Cluster (RAC) Architecture, Components, Storage Options and Management

Efficient Ops

Jan 19, 2017 · Databases

What Really Caused Blizzard’s Hearthstone Outage? Inside Oracle RAC Failure

An in‑depth look at Blizzard’s Hearthstone outage reveals that a power interruption likely triggered storage failures in an Oracle RAC cluster, leading to corrupted blocks, incomplete recovery, and a reliance on backups, while highlighting broader lessons on database backup, disaster recovery, and operational decision‑making.

Database OperationsOracleRAC

0 likes · 13 min read

What Really Caused Blizzard’s Hearthstone Outage? Inside Oracle RAC Failure

Efficient Ops

Jul 17, 2016 · Operations

Why Oracle RAC Node Reboots Repeatedly? Time Sync, Heartbeats & Hardware Fixes

This article details a step‑by‑step investigation of a two‑node Oracle RAC environment where node 2 repeatedly rebooted, covering time‑synchronization checks, database and network heartbeat analysis, hardware diagnostics, and the final resolution through firmware and memory replacement.

OracleRACdatabase

0 likes · 7 min read

Why Oracle RAC Node Reboots Repeatedly? Time Sync, Heartbeats & Hardware Fixes

Efficient Ops

Jun 6, 2016 · Operations

How a Single Space in ifconfig Crashed an Oracle RAC Cluster

A tiny typo in an ifconfig command set all IPs to 0.0.0.0, causing an Oracle RAC 10.2.0.4 cluster on Solaris 10 to collapse instantly, illustrating the critical need for meticulous command‑level precision in system operations.

OracleRACcluster

0 likes · 5 min read