Actually ISO domains are deprecated  as  stated by the devs in  https://bugzilla.redhat.com/show_bug.cgi?id=1673059

There  is no warning yet, which makes the confusion.

Best Regards,
Strahil Nikolov

On Sep 18, 2019 15:22, Gianluca Cecchi <gianluca.cecchi@gmail.com> wrote:
On Wed, Sep 18, 2019 at 12:41 PM Mark Steele <msteele@telvue.com> wrote:
Well - not in 3.5 :-)

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On Wed, Sep 18, 2019 at 6:24 AM Strahil <hunter86_bg@yahoo.com> wrote:

ISO domains are deprecated.
I guess you can upload to regular data domains.

Best Regards,
Strahil Nikolov

But afaik also on 4.3 only export domains are deprecated, not ISO ones.
See here for RHV too:
https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.3/html/administration_guide/chap-storage#Understanding_Storage

Still it remains the problem of using ISOs on block based data domains when trying to swap CDs
https://bugzilla.redhat.com/show_bug.cgi?id=1589763

So in these scenarios ISO domains are still needed
HIH,
Gianluca