Yes, for Redpanda. There's a blog about that:

"The use of fsync is essential for ensuring data consistency and durability in a replicated system. The post highlights the common misconception that replication alone can eliminate the need for fsync and demonstrates that the loss of unsynchronized data on a single node still can cause global data loss in a replicated non-Byzantine system."

However, for all that said, Redpanda is still blazingly fast.

https://www.redpanda.com/blog/why-fsync-is-needed-for-data-s...