I've noticed a definite speed issue renaming files in a pool. I've also checked the logs and not seen anything strange.
I have two brand new 2tb Seagate Green drives (AHCI in BIOS) in a pool assigned to drive letter F:. I've moved the shared Server Folders into the pool and have turned on duplication for all folders *except* Videos. Regardless of how I access my Videos folder though (local, network, remote), when I try to rename a video file it takes about 5 seconds to save the new name, almost every time. The speed accessing these files appears to be fine - I'm streaming to my Ipad t