Seems like more testing is in order:<p>> <i>Upon the outage, both banks immediately activated IT disaster recovery and business continuity plans.</i><p>> <i>"However," according to Tan, "both banks encountered technical issues which prevented them from fully recovering their affected systems at their respective backup datacenters – DBS due to a network misconfiguration and Citibank due to connectivity issues."</i><p>Perhaps regularly flipping between them on a regular basis, at least for a short time, so the 'passive' part of the active-passive pair gets some work, is worth considering.
The overheating datacenter didn't stop the transactions. It was the technical inability of the banks to fail over which should have been seamless.<p>Outages happen.
We are no longer in an era where this should be allowed to happen, even for say... a legacy application that runs on Windows 2000 and needs NTFS on a network block device.<p>After 9/11, the "zero nines" whitepaper was released to push for cloud (never let a disaster go to waste).<p>I have hands-on deployed many K8s+Ceph clusters. Ceph's block storage can be deployed multi-AZ where multiple datacenters each with their own power systems are in close proximity. There are methods like Raft (used by K8s and Patroni) and a really great method demonstrated by Google's CloudSQL that uses a SQL table to infer which SQL server should be a "leader".<p>So like wtf guys.
The article seems to be talking about an outage that happened in Oct 2023, but then references a LinkedIn post that was written in 2021?<p>One of the banks, DBS, has had several outages in recent years, but this seems like sloppy writing.
I wonder what the cost of a datacenter within Singapore is? The cost per sq/m in that country, which is the most expensive in the world, must be huge.
> Question: Anything else besides multicultural tolerance that enabled Singapore's success?<p>> Answer: Air conditioning. Air conditioning was a most important invention for us, perhaps one of the signal inventions of history. It changed the nature of civilization by making development possible in the tropics.<p><a href="https://www.vox.com/2015/3/23/8278085/singapore-lee-kuan-yew-air-conditioning" rel="nofollow noreferrer">https://www.vox.com/2015/3/23/8278085/singapore-lee-kuan-yew...</a>