Thin provision security issues

Hello

I remember said that if you thin provisioned a disk and then used a file recovery tool it may be possible to read data from the underlying storage system.

I just did a quick google but I couldn't find anything,

It is never true. The documentation that I can find for v5 says that a disc thin provisioend returns 0 if it has not already been written in.

Thank you

Jeremy

The feature "fake zero" is what protects against that and as far as I know, is true since ESX thin VMDK support.

Tags: VMware

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