(original article)

Re: Converting RAID5 to RAID6 and other shape changing in md/raid

01 December 2010, 22:41 UTC

USB2 has a data rate of 480Mb/sec which is nearly 5 times your network speed. And I suspect there is less overhead for usb-storage than for nfs. So my guess is that a rotating drive (not a usb-flash stick) connected by USB2 would be faster than your NFS server.