On 11/16/2014 12:09 PM, Tom Horsley wrote:
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.
I had read somewhere that THAT is not enough.
I recall that in fc12 there was a util that would scavenge all
free space (albeit, in manageable chunks at a time), then
clean them using several different method.
I am unable to recall that util's name :(
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