We do our share of database cloning for various purposes and usually the cloning process is fairly scripted. However lately we have been looking more and more into Ansible which as per their site is simple automation/orchestration tool. (Not so sure…
When we were planning migration from commodity hardware to Exadata X5-2 one open topic we had was if it makes sense to enable write-back flash cache in Exadata. The default mode is write-through where read operations utilize flash cache but…
Past week I attended Oracle Open World in San Francisco. I hadn’t been there for last 7 years so it was good to see lot of familiar faces there again. Still what comes to conference itself there are always good…
We recently had very challenging issue after we upgraded our EBS 12.1.3 database from 11.2.0.3 to 12.1.0.2. On random occasions threads on output post processor started to hang / wait for something and eventually this caused concurrent managers to get…
Wow few upgrades and summer vacation kept me busy past few months. Lately I have been looking on automation and started to look into ChatOps. So what is ChatOps? If you look from various sources you get different explanation but…
Since I’ve written earlier about Passbolt as team password manager I thought it would make sense to notify there is new version 1.6.0 out as I installed version 1.4.0 for us. My earlier post about Passbolt is here: Passbolt for…
Initially when we started to use Oracle VM we did lot of performance testing and at that point we went with Paravirtualized VM’s (PVM) due to better performance we saw with them. Now with our recent upgrade to Oracle VM…
One of the reasons why we started using Oracle VM was due to Oracle’s licensing policy with their products running on top of Oracle VM. If you “pin” (or hard partition) the virtual machine to specific cores you don’t need…
We were patching Exadata and one of the YUM pre-checks failed due to invalid LVM size. We hadn’t done any resizing lately so I think issue had been there already but for whatever reason it wasn’t noticed. For backing up…
We implemented Oracle VM 3.3.2 around two years ago and biggest issue we had was using iSCSI storage having sub-optimal latency and throughput with parallel sessions and high load in our performance tests. In the end this was resolved by linux disk partition…