On Wed, 03.05.17 22:57, Florian Kerle ([email protected]) wrote: > Hi Lennart, > > it's correct, that checksums are not suitable to recover a file; > BUT when using btrfs RAID, checksums are used to determine which copy of the > file is malformed. > (and restore it, if any redundant OK copy exists) > > Using FS_NOCOW on journal files does prevent btrfs from restoring the > journal, even if a sane copy would exist. > (i.e. hardware / drive failure.) > That probably means losing important data. > > While this IMHO seems like a temporary workaround until btrfs autodefrag (on > a per file basis) exist, > I'd rather make this configurable and surely not the default! > > Do you have any further info or opinion on this?
As discussed already, there's a very easy way to disable this: ln -s /dev/null /etc/tmpfiles.d/journal-nocow.conf Lennart -- Lennart Poettering, Red Hat _______________________________________________ systemd-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/systemd-devel
