AI Infrastructure – Marco Santucci

Private AI on Oracle OCI: How to Stop Sending Company Data to Public LLMs

Post published:30 March 2026
Post category:AI Cloud LLM Technology

There is something that bothers me every time I see a company adopting AI tools without thinking too much about what happens to their data. You open ChatGPT, you paste some internal document, you ask for a summary or a rewrite, and that's it. The data left the building. Where it goes, who reads it, if it is used to train future models; these are questions that most people don't ask until it becomes a problem. I work a lot…

Ceph is amazing. Just don’t ask it to be Lustre

Post published:18 December 2025
Post category:Cloud Storage Technology

(And Yes, It Can Still Power AI and SAN Workloads) Ceph is one of the most powerful open-source storage platforms available today. It offers object, block, and file storage in a single distributed system, with high availability, strong durability, and the ability to scale on standard hardware.That alone makes Ceph exceptional. But here is the uncomfortable truth: Ceph can scale massively and still be the wrong storage for a specific workload. Understanding why is the difference between a great architecture…

Test Lustre Cluster Throughput and High Availability options

Post published:7 January 2025
Post category:Cloud Infrastructure Storage Technology

https://www.youtube.com/watch?v=DdlIhfU2VAU In this video (English subtitled), I demonstrate the aggregate performance of a 4-node Lustre cluster (3 OSS + 1 MDS/MGS) and the block volumes provided by Oracle OCI. Of course, this is a functionality test and not a production POC. In addition to understanding and observing the aggregate performance that only 3 active OSS nodes can deliver, I wanted to test 2 failover systems between OSS1 and OSS2 nodes (OSS3 is unpaired and works without failover). 1 - The…