Hi mate, How is your day going so far? I wish you luck to achieve what you’re hardworking for. this post I wanted to handle on the Exadata installation process. All IP addresses must be statically assigned, including dynamically assigned (DHCP) addresses.All RDMA Network structure IP addresses must be in the same subnet with a […]
ASR Manager Installation and registration steps are as follows; ASR Manager Installation Follow the procedures below while installing the ASR package on the ASR manager system. You can connect as root in the ASR Manager system and open a terminal window 2. You can install For ASR package, go to the folder where you unpacked […]
Write-back flash caching is faster than writing to hard disks, a write back flash cache, used to improve write-intensive operations, is useful for running heavy-duty jobs in a database. According to Oracle, depending on the application, write performance to disk can be 20 times faster (measured at input / output operations per second (IOPS)) and […]
In this post the changing of IP addresses on an Oracle Exadata Database Machine system. The most common use case for this procedure is when a system is moved, so this document was written with that case in mind. Importantly, system hostnames and domain name changes are not handled by this procedure. Assumptions The grid […]
Oracle Exadata Smart Scan and Cell Offloading Smart Scan is probably the most important performance component of the software in terms of exceptional performance offered by Exadata. Smart Scan is a cell offloading feature that is to process into storage cells offload of performing block I / O requests at the database layer. The purpose […]
I encountered an error on Exadata like below. Alert Summary Maintenance A memory component suspected of causing a fault Detailed Alert Information A memory component is suspected of causing a fault with a 100% certainty. Check Cellcli. cellcli > list alerthistory There is no error Check İlom -> show /SYS/MB/P0/D7 /SYS/MB/P0/D7 Targets: PRSNT SERVICE fault_state […]
In the Exadata and Exalogic Elastic Cloud racks, you may see issue of IB ports showing status as “Down” when running “ibstat” command. This issue can of happen on Compute Nodes,İnifiniband Switch or Storage heads. IB port being down on Compute Node can be confirmed by running below command [root@xc000xc-ibb01 ~] # listlinkup Connector 0A […]
While working on the Exadata Storage cell insert, the attachment failed due to the internal USB drive in the storage cell. Oracle uses the internal USB drive to automatically back up the Exadata Storage cell. We do not have to back up the storage cell manually. In this article, I will show you how to […]
In this post we will demonstrate how to create the Cell Disk and Grid disks manually, add them to the respective ASM Disk Group on Oracle Full Rack Exadata Cell Node. The Exadata Machine is expected to be up and running and the storage cell containing the failed drive to boot and be available. If […]