I looked into this some more. There are other ways than explicit fsync. See this blurb on FUA (which basically treats the I/O as write-through) https://techc

I looked into this some more. There are other ways than explicit fsync. See this blurb on FUA (which basically treats the I/O as write-through) https://techcommunity.microsoft.com/blog/sqlserver/sql-server-on-linux-forced-unit-access-fua-internals/3199102 https://techcommunity.microsoft.com/blog/sqlserver/sql-serve... More from kernel.org: https://www.kernel.org/doc/html/latest/block/writeback_cache_control.html https://www.kernel.org/doc/html/latest/block/writeback_cache...