On Tue, 2015-11-24 at 03:23 +0000, Dimitri John Ledkov wrote: > btrfs check is a destructive tool, that can attempt repairing btrfs > filesystem. it should not be run automatically, nor non-interractive, > nor on each boot. What source is that information based on? To my knowledge, and I think I read that even few days ago on the btrfs mailing list (though I may be mistaken), it's only destructive in case you run it with e.g. --repair or some other arguments. > ditto xfs_repair. from the manpage: -n No modify mode. Specifies that xfs_repair should not modify the filesystem but should only scan the filesystem and indicate what repairs would have been made. If it may do changes nevertheless, than that's IMHO quite some grave documentation bug. > they do not, instead they ship fsck.btrfs shell script, that exits > zero and does nothing. Ditto xfs. Yes I know, but that also may have been just forgotten to change. Anyway,.. I've wrote a mail to linux-btrfs asking for the plans. So far Duncan replied that it's probably still not suggested to be run at boot (though he's only a list regular, not a developer). We'll see whether one of the devs comments about the long term plans... Cheers, Chris.
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