Re: [PATCH] virStorageVolWipe: Document that wiping journaled FS is useless

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2015-12-21 13:39 GMT+03:00 Michal Privoznik <mprivozn@xxxxxxxxxx>:
> I'm no expert but I think fstrim is no help here - it merely reclaims
> free space on a disk, but raw data is still accessible. At least can be
> if disk does not implement DRAT (Deterministic Read After Trim) (read of
> zeroes that is).
>
> But better safe than sorry, right? So maybe we should issue fstrim after
> all.

Yes, also trim very useful on ssd =), But i don't check does this
helps or not, this is only theory.


-- 
Vasiliy Tolstov,
e-mail: v.tolstov@xxxxxxxxx

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