On Wed, Nov 27, 2019 at 01:30:04PM +1000, Christopher Staples wrote: > will their ever be a better way to handle bad sectors ? I keep > getting silent corruption from random bad sectors > scrubs keep passing with out showing any errors , but if I do a > ddrescue backup to a new drive I find the bad sectors That is a typical symptom of host RAM corruption. Make sure your memory and CPU are OK. A similar test you can do is to copy a large file or group of files (say a few GB) and compare the copy with the original. If there are differences but no btrfs csum errors, chances are good that you are looking at some kind of host RAM failure. > the only thing I can do for now is mark I/O error files as bad buy > renaming them and make another file copy onto the file system , > > > I like btrfs for the snapshot ability , but when it comes to keeping > data safe ext4 seems better ? at least it looks for bad sectors and > marks them , btrfs just seems to write and assumes its written ..
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