Also, if you want to use deduplication (via VDO) then you must
remember to "dedupe then encrypt"
Storage > LUKS > VDO > LVM
old but good reference to: https://access.redhat.com/articles/2106521
On Tue, Jun 16, 2020 at 3:00 PM Jason Edgecombe <jwedgeco@xxxxxxxx> wrote:
>
> I recommend having LUKS be "under" LVM. the layers would be:
> /dev/sda -> partition (/dev/sda1) -> LUKS (/dev/sda1_crypt) -> LVM physical
> volume -> volume group -> logical volume -> filesystem
>
> The layers described above are how the Ubuntu installer sets up an
> encrypted LVM filesystem. As far as I know, TRIM is passed through LUKS and
> the LVM layers if it's available in the hardware.
>
> Sincerely,
> Jason
>
> ---------------------------------------------------------------------------
> Jason Edgecombe | Linux Administrator
> UNC Charlotte | The William States Lee College of Engineering
> 9201 University City Blvd. | Charlotte, NC 28223-0001
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> jwedgeco@xxxxxxxx | http://engr.uncc.edu | Facebook
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>
> On Tue, Jun 16, 2020 at 1:42 PM Leon Fauster via CentOS <centos@xxxxxxxxxx>
> wrote:
>
> > Hi all,
> >
> > with regard to LUKS; should it placed before LVM or after? Any
> > recommendations? TRIM command fully supported through all layers etc?
> >
> > --
> > Leon
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