[Vdo-devel] VDO for backup machine

[Sweet Tea Dorminy]

On Tue, Oct 15, 2019 at 6:25 AM Gionatan Danti <g.danti at assyoma.it> wrote:
>
>
> Ok, but how vdo "discovers" the snapshotted device? Suppose a setup like
> that: physical device -> lvm/snapshot layer -> block device -> vdo ->
> xfs. A snapshot of vdo underlying block device (es: vg_system/lv_test)
> is taken, creating a new block device (ie: vg_system/lv_snap). How I do
> scan and activate the vdo device on top of the snapshotted device?

Ah, I understand the question now. Right now there isn't a way to do
it easily, but in the near future VDO manager will have a new
subcommand, 'import', which can take the snapshot and build the VDO on
top. I'll let you know when that code is on Github.

Hope that helps some...