It was almost 3 years ago that my open source storage project went into production. In that time it’s been running 24/7 serving as highly available solid state storage for hundreds of VMs and several virtualisation clusters across our two main sites.
I’m happy to report that the clusters have been operating very successfully since their conception.
Since moving away from proprietary ‘black box’ vendor SANs, we haven’t had a single SAN issue, storage outage.

Sam McLeod

A 3-year production report on an open source solid-state storage cluster serving hundreds of VMs across two sites. Out of 208 SATA SSDs deployed, only 5 failures occurred (2.4% failure rate), with mid-range SSDs from SanDisk, Crucial/Micron, and Intel proving highly reliable. No NVMe failures were recorded across 8 Intel DC3600 drives. Supermicro DOM disks had reliability issues that were resolved in a v1.1 hardware revision, though the updated units are slightly smaller, requiring an upgrade to the next size tier. The author reports zero storage outages since moving away from proprietary vendor SANs.

Flash Storage and SSD Failure Rate Update (March 2018)