[CentOS] Understanding VDO vs ZFS

Sun May 3 15:43:46 UTC 2020
david <david at daku.org>

0At 08:07 PM 5/2/2020, you wrote:
>My two cents:
>1- Do you have an encrypted filesystem on top of VDO? If yes, you will see
>no benefit from dedupe.
>2- can you post the stats of  vdostats ­verbose /dev/mapper/xxxxx (replace
>with your device)
>you can do something like:  "vdostats -verbose /dev/mapper/xxxxxxxx | grep
>-B6 'save percentage'
>On Sat, May 2, 2020 at 9:54 PM david <david at daku.org> wrote:
> > Folks
> >
> > I'm looking for a solution for backups because ZFS has failed on me
> > too many times.  In my environment, I have a large amount of data
> > <snip>

BTW:  I think the 'saving percent' of 13 is 
consistent with my computation of 1.16 if one 
takes into account the overhead blocks.  Is that true?

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