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That is quite unfortunate, then, because every little written byte does count, indeed. The fact of the matter (your boundless faith in enterprise SSD technology notwithstanding) is that even top-notch enterprise SSDs fail and, when they do, things can get very nasty. One can only hope that the...

We know that. Problem is that there would not be any syncing every 5 seconds unless there were data in need to be written out to disk every 5 seconds. We just find it unusual that, if it were just logging, some of the syncing, sometimes, did not happen after, say, 10 or 15 seconds. But...

Thanks for your response, Fabian. We got our data the same way as you, via iostat. We did many runs on two different servers and, invariably, got the same results. In fact, all the writing happens at exactly 5 second intervals, which is rather strange to us. If it were just regular logging, one...

We have been testing PVE on a couple of servers for a couple of weeks now. It's a great product. Nevertheless, there is something that has been greatly puzzling us. The two servers exhibit exactly the same behavior. Specs of both servers: Epyc 7702P, 256GB, three mirrored SAS SSDs (ZFS mirror...