From ffefd21840e94e68dfc115546868bc00f0f1b1e1 Mon Sep 17 00:00:00 2001 From: Balazs Gibizer Date: Mon, 15 Jun 2015 11:12:05 +0200 Subject: Clarifying fault propagation between phys-virtual A fault affecting a physical resource my affect another physical or virtual resources. This fault correlation shall be configurable in VIM This patch is based on the related unresolved comment in https://gerrit.opnfv.org/gerrit/#/c/304 JIRA: DOCTOR-4 Signed-off-by: Balazs Gibizer Change-Id: Ife1da03f31fc9d06bb5295157825760fc1139a36 --- requirements/03-architecture.rst | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/requirements/03-architecture.rst b/requirements/03-architecture.rst index fee136d7..b55d5a02 100644 --- a/requirements/03-architecture.rst +++ b/requirements/03-architecture.rst @@ -127,9 +127,12 @@ affected by failures on the physical resources under them. Unavailability of a virtualized resource is determined by referring to the mapping of physical and virtualized resources. -The relation from physical resources to virtualized resources shall be -configurable, as the cause of unavailability of virtualized resources can be -different in technologies and policies of deployment. +VIM shall allow configuration of fault correlation between physical and +virtual resources. VIM shall support correlating faults: + +* between a physical resource and another physical resource +* between a physical resource and a virtual resource +* between a virtual resource and another virtual resource Failure aggregation is also required in this feature, e.g., a user may request to be only notified if failures on more than two standby VMs in an (N+M) -- cgit 1.2.3-korg