Error detaching: helper exited with exit code 1: Detaching device /dev/sdb 
USB device: /sys/devices/pci0000:00/0000:00:13.2/usb1/1-1) 
SYNCHRONIZE CACHE: FAILED: No such file or directory 
(Continuing despite SYNCHRONIZE CACHE failure.) STOP UNIT: FAILED: No

Is the drive going bad?
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