On Mon, May 28, 2018 at 5:18 PM, <stefanos@prismatelecomtesting.com> wrote:

Hi,

on chapter 6.13.1 "Live Migration Prerequisites" [1] of the RHV 4.2 Virtual Machine Management Guide, there is written:
____________

At a minimum, for successful live migration of virtual machines to be possible:
[...]
The migrating virtual machine must not have the cache!=none custom property set.
____________

However I can't find any custom property called "cache" under Edit Virtual Machine --> Custom Properties but only "viodiskcache". As a matter of fact, Appendix A of the same guide [2] reports the following statement: "If viodiskcache is enabled, the virtual machine cannot be live migrated" that suggest viodiskcache as the correct parameter.

Are the two statements contradictory?

cache != none is a developer terminology for stating that it has to be none. So if it's defined to anything, migration is not possible. So they are the same.

Thank you.
Stefano Stagnaro

[1] https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.2/html/virtual_machine_management_guide/sect-migrating_virtual_machines_between_hosts#Live_migration_prerequisites
[2] https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.2/html/virtual_machine_management_guide/appe-reference_settings_in_administration_portal_and_user_portal_windows#Virtual_Machine_Custom_Properties_settings_explained
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