On Fri, 16 May 2014 14:06:24 -0400 Calvin Walton <calvin.walton@xxxxxxxxxx> wrote: > No comment on the performance issue, other than to say that I've seen > similar on RAID-10 before, I think. > > > Also, what happens when the system crashes, and one drive has > > several hundred megabytes data more than the other one? > > This shouldn't be an issue as long as you occasionally run a scrub or > balance. The scrub should find it and fix the missing data, and a > balance would just rewrite it as proper RAID-1 as a matter of course. It's similar (writes to just one drive, while the other is idle) when removing (many) snapshots. Not sure if that's optimal behaviour. -- Tomasz Chmielewski http://wpkg.org -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
