On Thu, Jan 17, 2019 at 4:28 PM Tomasz Chmielewski <tch@xxxxxxxxxxx> wrote: > > > It is actually more like RAID-1E which is supported by some hardware > > RAID HBA. The difference is that RAID-1E is usually using strict > > sequential block placement algorithm and assumes disks of equal size, > > while btrfs raid10 is more flexible in selecting where next mirror pair > > is allocated. > > s/flexible/random/ > > In sense, with btrfs, you can't really choose where the blocks are > allocated, that's not really the definition of "flexible"? Depends on perspective, if you don't care where they go but you care about being able to add a single arbitrary sized drive or two or three, you can grow a Btrfs raid10 volume. You can't do that with conventional raid10. -- Chris Murphy
