On 02/08/2016 03:05 PM, m.roth@5-cent.us wrote:
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.
I don't understand the point of doing this.
Wes didn't say the reason he wanted to zero unused blocks, but I always do this in kickstart scripts when constructing VM images as the image size is considerably reduced by doing this...
-Greg