On Thu, Mar 31, 2022 at 4:45 PM Nir Soffer <nsoffer@redhat.com> wrote:

Regarding removing the vg on other nodes - you don't need to do anything.
On the host, the vg is hidden since you use lvm filter. Vdsm can see the
vg since vdsm uses lvm filter with all the luns on the system. Vdsm will
see the change the next time it runs pvs, vgs, or lvs.

Nir

Ok, thank you very much

So I will:

. remove LVM structures on one node (probably I'll use the SPM host, but as you said it shouldn't matter)

. remove multipath devices and paths on both hosts (hope the second host doesn't complain about LVM presence, because actually it is hidden by filter...)

. have the SAN mgmt guys unpresent LUN from both hosts

. rescan SAN from inside oVirt (to verify LUN not detected any more and at the same time all expected LUNs/paths ok)

I should have also the second host updated in regard of LVM structures... correct?

Gianluca