posix

JuiceFS is a high-performance POSIX file system designed for cloud-native environments. It stores data in object storage with metadata in databases like Redis/MySQL, offering full POSIX/Hadoop compatibility and enterprise features.

GlusterFS is a software-defined distributed storage platform that can scale to several petabytes, providing interfaces for object, block and file storage with no single point of failure.

MooseFS is a fault tolerant, highly available and high performance scale-out network distributed file system that spreads data over several physical servers.

XtreemFS is a distributed, replicated and fault-tolerant file system designed for federated IT infrastructures, providing POSIX compliance and geographic distribution capabilities.