On Oct 26, 2014, at 7:40 PM, Qu Wenruo <quwenruo@xxxxxxxxxxxxxx> wrote: > Hi, > > Although I'm not completely sure, but it seems that, you really ran out of space. > > [1] Your array won't hold raid1 for 1.97T data > Your array used up 1.97T raid0 data, it takes 1.97T for raid0. > But if converted to 1.97T, it will occupy 1.97T X2 = 3.94T. > Your array are only 2.73T, it is too small to contain the data. I'm not understanding. The btrfs fi show, shows 4x 2.73TiB devices, so that seems like it's a 10+TiB array. There's 2.04TiB raid0 data chunks, so roughly 500GiB per device, yet 1.94TiB is reported used per device by fi show. Confusing. Also it's still very confusing: Data, RAID1: total=2.85TiB, used=790.46GiB whether this means 2.85TiB out of 10TiB is allocated, or if it's twice that due to raid1. I can't ever remember this presentation detail, so again the secret decode ring where the UI doesn't expressly tell us what's going on is going to continue to be a source of confusion for users. Chris Murphy-- 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
