On Mon, Jul 24, 2017 at 3:17 PM, Adam Borowski <kilob...@angband.pl> wrote: > On Mon, Jul 24, 2017 at 02:55:00PM -0600, Chris Murphy wrote: >> Egads. >> >> Maybe Cloud Admin ought to consider using a filter to just balance the >> data chunks across the three devices, and just leave the metadata on >> the original two disks? > > Balancing when adding a new disk isn't that important unless the two old > disks are almost full. > >> Maybe >> sudo btrfs balance start -dusage=100 <mp> > > Note that this doesn't mean "all data", merely "all data chunks < 100% > full". It's a strictly-lesser-than comparison. > > You'd want "-dusage=101" which is illegal, the right one is "-d". I used to > believe -dusage=100 does that, myself.
Yeah they could even go with 50% because the balance isn't strictly necessary anyway if the two originals aren't close to full and b. -- Chris Murphy -- 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
