[CentOS] Utility to zero unused blocks on disk

Tue Feb 9 05:10:39 UTC 2016
Digimer <lists at alteeve.ca>

On 09/02/16 12:08 AM, g wrote:
> 
> 
> On 02/08/16 15:34, Wes James wrote:
>> Is there a utility to zero unused blocks on a disk?
>>
>> CentOS 6.7/Ext4
>>
>> I saw zerofree, but I’m not sure it would work on Ext4 or even work on
>> this version of CentOS.
>>
>> thanks,
>>
> .
> a comment on replies to your post.
> 
> i find it interesting that "Subject:" is and you ask for info to
> 
>   *zero unused blocks on disk*
> 
> and all the replies for wiping the _entire_ disk.
> 
> why is so hard to understand that _blocks_ does not mean _disk_. ((GBWG))

Not all of them.

-- 
Digimer
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