On Sun, 2021-01-10 at 09:01 -0700, Chris Murphy wrote: > On Sun, Jan 10, 2021, 3:52 AM Patrick O'Callaghan <pocallaghan@xxxxxxxxx> > wrote: > > > On Sat, 2021-01-09 at 18:01 -0700, Chris Murphy wrote: > > > > Does this mean that my VM image subvolume is being included in the > > > > compression? If that's the case I'll cease and desist. > > > > > > Did you set 'chattr +C' for nodatacow on the enclosing > > > directory/subvolume for the VM images? Nodatacow implies no > > > compression and no checksums. > > > > Probably but I don't remember. I've now set it just in case, but lsattr > > doesn't show it: > > > > $ sudo chattr +C /home/Windows > > $ lsattr -l /home/Windows > > /home/Windows/wimage --- > > > > > > Is this a bug or a feature? > > > > > If you're using libvirt, creating a new pool on Btrfs will automatically > set +C attribute. It wasn't Btrfs at the time the image was created. > It's not possible to set this attribute once a file has data in it, it's > not retroactive. You'll need to duplicate the file, in that same directory. > Because the directory has the attribute now, the duplicate will inherit the > attribute. That's somewhat painful as the file is over 900GB and will need to be copied to another drive and then back again, but thanks anyway. poc _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
