On Sun, 16 Nov 2014 12:04:31 -0700
jd1008 wrote:
Before sending the drive for warranty service, what is the best way
to
clean the unallocated blocks?
A way is to run as root "cp /dev/zero tempfile" for one "tempfile" per
partition
until the cp fails due to running out of disk space. That will allocate all
free space and write zeroes to it.