Re: Snapshot behavior on classic LVM vs ThinLVM

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Dne 1.3.2018 v 10:43 Gianluca Cecchi napsal(a):
On Thu, Mar 1, 2018 at 9:31 AM, Zdenek Kabelac <zkabelac@redhat.com <mailto:zkabelac@redhat.com>> wrote:



    Also note - we are going to integrate VDO support - which will be a 2nd.
    way for thin-provisioning with different set of features - missing
    snapshots, but having compression & deduplication....

    Regards

    Zdenek


Interesting.
I would have expected to find it already upstream, eg inside Fedora 27 to begin to try, but it seems not here.
I found this for upcoming RH EL 7.5:
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/storage_administration_guide/vdo

but nothing neither in updates-testing for f27
Is this one below the only and correct source to test on Fedora:
https://github.com/dm-vdo/vdo
?


There is a COPR repository ATM available for certain f27 kernels.

For regular Fedora component VDO target needs to go into upstream kernel first - but this needs some code changes for the module - so stay tuned....

Note - current model is 'standalone' usage of VDO devices - while we do plan to integrate support for VDO as another segtype.

Regards

Zdenek

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