On Tue, Aug 14, 2012 at 8:28 PM, Daniel Pocock <dan...@pocock.com.au> wrote: > Can you just elaborate on the qgroups feature? > - Does this just mean I can make the subvolume sizes rigid, like LV sizes?
Pretty much. > - Or is it per-user restrictions or some other more elaborate solution? No > > If I create 10 LVs today, with btrfs on each, can I merge them all into > subvolumes on a single btrfs later? No > > If I just create a 1TB btrfs with subvolumes now, can I upgrade to > qgroups later? Yes > Or would I have to recreate the filesystem? No > If I understand correctly, if I don't use LVM, then such move and resize > operations can't be done for an online filesystem and it has more risk. You can resize, add, and remove devices from btrfs online without the need for LVM. IIRC LVM has finer granularity though, you can do something like "move only the first 10GB now, I'll move the rest later". -- Fajar -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
