Chris Murphy wrote: > On Wed, Jan 21, 2015 at 12:04 PM, Chris Murphy <lists@xxxxxxxxxxxxxxxxx> > wrote: > >> Next you should reboot from Fedora 21 live media, and 'dnf upgrade >> btrfs-progs' so that you have btrfs-progs 3.18.1, which is stable. And >> use 'btrfs check --repair' in case there are any missing files, this >> should find it. After this, you'd update the backup again in case the >> first one lacks the missing files. > > Of course if this is not root, you can just unmount it to do the btrfs > check. But if it's root, an alternative to usb booting is to do it > from the initramfs. But you need to make sure the initramfs contains > the right version. To do that, boot with parameter rd.break=cmdline > and then: > > # btrfs --version > Btrfs v3.18.1 > > ## OK Good I can continue, even if this is the 3.17.8 kernel, it's fine. > > # btrfs check --repair <dev> > # reboot -f > > > I did this with a regular initramfs, I didn't try the rescue initramfs > which almost certainly will have an older version, probably 3.17. > Nice tip. Unfortunately, btrfs --version says 3.18. I suppose that is not sufficient. I like this procedure, it sounds simple. Any way to fix it? I guess the btrfs was from initramfs, and that installing a newer kernel would update initramfs and get me btrfs 3.18.1 when booted this way? -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
