I spoke with a customer that mentioned they were moving an Exadata rack from one datacenter to another and they had a few questions about what needed to change in order to complete the move. The customer wanted to make the move as much of a “lift and shift” as possible, avoiding the need to… Read More »
We had a client that was running into a strange issue on their Exadata where new connections coming in through the SCAN were failing. After doing some troubleshooting, it was discovered that it was related to one of the SCAN listeners not properly accepting requests from new sessions. The VIP and listener were running, and… Read More »
This is something that is almost completely off-topic, but something I’ve found myself doing quite a bit at Enkitec. You see, we keep adding new hardware (Big Data Appliance in August, new Exadata X3-2 earlier this year), and that means that we need to add a bunch of DNS entries at once. Even an eighth… Read More »
It appears that Oracle has resolved the issue with the 10GbE drivers that were introduced in version 11.2.2.4.0. There is an updated note (1376664.1) that includes the patch to fix it. The issue was apparently related to TCP segmentation offloading, and can be fixed by installing the patch found in the note listed above. It… Read More »
Having done a handful of Exadata implementations, there’s always been one piece of the configuration that’s bothered me more than anything else. In the process of ordering an Exadata, Oracle sends the customer a “Configuration Worksheet” that asks questions about how the system should be configured. It’s standard stuff: hostnames, DNS and NTP servers, UID… Read More »