On Mar 18, 2016 4:31 PM, "Lionel Bouton" <lionel-subscription@xxxxxxxxxxx>
>
> 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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