OpenZFS on OS X

So I set a 5.4TB folder to copy over to the new pool. It was running great and I left it to copy over night. This morning I woke up to a crash report. The Mac Mini had reset during the night. I assume this might be due to a memory issue. I only have 8GB in the Mini currently (looking at a 16GB kit). Now the folder is grey'd out on the pool and I can't access anything in side it. Any way to get that available so I can just copy over the missed folders inside? It got almost 4TB done before the crash. Thanks!

Weird. Was able to get into the directory in Terminal and move all the copied files out to another directory. Then delete the original empty "locked" directory. Hopefully we're all good moving forward.