On May 22, 2014, at 11:50 AM, Tomasz Chmielewski <tch@xxxxxxxxxxx> wrote: >> Try -o recovery,degraded >> >> I would drop the other options for now, since they aren't necessary >> to recover from a \ device failure. > > Yes I've tried that as well, and it ends in the similar "hang" - high > IO for a while, then no IO at all, mount does not return. > > > It *does* mount as ro,degraded, but then, it's not possible to add a > disk and recover to a functioning RAID-1. > Also, when I try to remount rw, the mount command hangs as well. > > Is there anything else I can try? How much metadata is there on the volume? And how much memory does the system have? This might also be a case where it might take hours, or longer, for it sort things out, and isn't actually permanently hung up. Worth a shot to leave it overnight and see what happens. I agree trying skip_balance is worth a shot also. 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
