Just an Update to this thread. It was actually a software bug in desktop-portal (or something like that). Once that was removed my system has been rock solid.
Thanks Dan On Tue, Dec 10, 2024 at 3:41 AM Max Nikulin <maniku...@gmail.com> wrote: > On 09/12/2024 00:14, Michael Stone wrote: > > Not all drives > > support 4k, and many that do get no benefit from such a configuration. > [...] > > # nvme id-ns -H /dev/nvme0n1 | grep Rel > > LBA Format 0 : Metadata Size: 0 bytes - Data Size: 512 bytes - > > Relative Performance: 0x2 Good (in use) > > LBA Format 1 : Metadata Size: 0 bytes - Data Size: 4096 bytes - > > Relative Performance: 0x1 Better > > It is my case. I decided that ext4 uses 4k blocks anyway, so it is > better to be consistent with hardware&firmware developers. > > As to erase block size, my expectation is that some drivers might > benefit if that size is known: flushing caches (especially in laptop > mode), allocating space for new files. I have no evidences that it is > implemented though. Perhaps dedicated chips and caches inside drives may > do it more efficiently (besides dumb cheap models). > > mkfs.* tools might use erase block size to align filesystem structures. > > It is the reason why I was surprised that erase block size is not > exposed to kernel. > > My real curiosity was caused by "not mounting" a drive to allow self > healing. "Idle" is imprecise from my point of view, but I think we may > stop here. There is a chance that I will accidentally notice a detailed > article on this topic. > > >