On Sun, 2 Apr 2017 09:30:46 +0300 Andrei Borzenkov <arvidj...@gmail.com> wrote:
> 02.04.2017 03:59, Duncan пишет: > > > > 4) In fact, since an in-place convert is almost certainly going to take > > more time than a blow-away and restore from backup, > > This caught my eyes. Why? In-place convert just needs to recreate > metadata. If you have multi-terabyte worth of data copying them twice > hardly can be faster. In-place convert is most certainly faster than copy-away and restore, in fact it can be very fast if you use the option to not calculate checksums for the entire filesystem's data (btrfs-convert -d). -- With respect, Roman -- 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
