On Mar 18, 2016 4:31 PM, "Lionel Bouton" <[email protected]> > > Will bluestore provide the same protection against bitrot than BTRFS? > Ie: with BTRFS the deep-scrubs detect inconsistencies *and* the OSD(s) > with invalid data get IO errors when trying to read corrupted data and > as such can't be used as the source for repairs even if they are primary > OSD(s). So with BTRFS you get a pretty good overall protection against > bitrot in Ceph (it allowed us to automate the repair process in the most > common cases). With XFS IIRC unless you override the default behavior > the primary OSD is always the source for repairs (even if all the > secondaries agree on another version of the data).
I have a functionally identical question about bluestore, but with zfs instead of btrfs. Do you have more info on this bluestore?
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