Oracle Auto Service Request (ASR) is the built-in mechanism that turns Exadata hardware and software faults into automatically opened Service Requests (SRs) with Oracle Support, no phone calls, no manual ticket creation. When a disk fails at 3 AM, ASR detects it, files the SR, attaches telemetry, and can even initiate parts dispatch.
Catching Corruption Early: DB_BLOCK_CHECKSUM TYPICAL vs FULL on Exadata
What DB_BLOCK_CHECKSUM really does, how TYPICAL and FULL differ, what Oracle recommends on Exadata, and the two companion parameters you should review at the same time.
What Happens When an Exadata RAC Node Fails or Is Patched
A walkthrough of how Oracle RAC instances and database services behave when one database node (holding one RAC instance and two database services) fails or is taken offline for patching.
Isolating Management Roles on Exadata: What to Enforce, What to Audit, and What to Skip
Consolidating databases on Exadata raises a practical question: how much isolation do you really need? A guide to role separation, OS accounts and Oracle homes, storage security and VMs, and when each one is worth its cost.
HugePages for Oracle Database on Exadata: From Concept to Implementation
Why Oracle insists that every Exadata SGA lives in HugePages, what USE_LARGE_PAGES=ONLY really does, and a step-by-step guide to calculating, configuring and verifying HugePages.
Linux Kernel Settings for Consolidating Databases on Exadata
SHMMAX at 85% of RAM looks like it lets one database swallow all the memory. It doesn't. Here is how the shared memory and semaphore kernel parameters really work when you consolidate many databases on Exadata.
Understanding ASM Disk Group Attributes in Oracle Exadata
A practical guide to the ASM disk group attributes that matter on Exadata, from COMPATIBLE.ASM to CELL.SMART_SCAN_CAPABLE, with examples and best practices.
Exadata Smart Scan Preventors
Oracle Exadata Smart Scan is one of the most important performance features of the Exadata Database Machine. It pushes parts of SQL processing—mainly predicate filtering and column projection—down to the Exadata storage cells. Instead of sending every block from storage to the database tier, the storage cells scan the data, apply eligible WHERE conditions, return … Continue reading Exadata Smart Scan Preventors
Migrating Oracle HCC-Compressed Tables to Non-Exadata with Data Pump
Oracle Exadata Hybrid Columnar Compression (HCC or EHCC) is a storage-dependent compression format. It is supported on Exadata and selected Oracle storage platforms, including Oracle ZFS Storage Appliance, Pillar Axiom, FS1, SuperCluster, and Oracle Database Appliance (latest releases). It is not supported on ordinary third-party or non-Exadata storage. If you have a Data Pump export … Continue reading Migrating Oracle HCC-Compressed Tables to Non-Exadata with Data Pump
Oracle Exadata Administration Workshop (Oct-2026)
I’m going to run a new Exadata Administration workshop starting at 17- Oct-2026. This one will be in Arabic/English language. For workshop content, registration and fees, please follow the following link:https://tally.so/r/lbJG0v