06-08-2016, 10:33 PM
(06-08-2016, 05:04 AM)longsleep Wrote: Well most certainly you suffer from undervoltage and your Drive just shuts down.
This is a reply to me? I did say the drive has its own power brick, so it doesn't draw any power from the USB of the pine64, and it has been working in another computer.
Just to check nothing happened on the way to plugging it in to the pine64, I have plugged it back in to my regular computer a few feet away, and I did the same copy procedure. To make the transfer as identical as possible, I put the same microsd card in a USB adapter, and copied the same files from the same directory of the microsd card to the same directory of the same partition on the hard drive. The files copied perfectly in under a minute. Then I did it twice more.
The only way I could think of to confirm that the drive does not take any power from the USB was to try plugging the USB into the regular computer without plugging in the power brick. The light on the drive does not come on. The computer shows no sign it knows the cord was plugged in. The same thing happens if it is plugged into the pine64 USB that way.
My conclusion is there is no problem with the power.
Maybe it takes copying a thousand files or many hundreds of megabytes before the OS on the pine64 chokes. I have never had anything like this happen with linux even if I copy files for 24 hours.