On Thu, Apr 01, 2021 at 12:20:51PM +0200, Markus Schaaf wrote: > Am 31.03.21 um 22:20 schrieb Chris Murphy: > > > Flushoncommit is safe but noisy in dmesg, and can make things slow it > > just depends on the workload. And discard=async is also considered > > safe, though relatively new. The only way to know for sure is disable > > it, and only it, run for some time period to establish "normative" > > behavior, and then enable only this option and see if behavior changes > > from the baseline > > [...] > > Thank you for your detailed explanation. I was trying flushoncommit for > better crash consistency. But this was based on theory, not experience.
flushoncommit does give better crash consistency--I've been using it for years for that reason. I have to patch the kernel to silence the warning though. > BR