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diff --git a/R2_Requirement/virtual_facilities_HA_new.rst b/R2_Requirement/virtual_facilities_HA_new.rst deleted file mode 100644 index e313230..0000000 --- a/R2_Requirement/virtual_facilities_HA_new.rst +++ /dev/null @@ -1,39 +0,0 @@ -3 Virtualization Facilities (Host OS, Hypervisor) -==================================================== - -3.1 Requirements on Host OS and Hypervisor and Storage -Requirements: -- The hypervisor should support distributed HA mechanism -- Hypervisor should detect the failure of the VM. Failure of the VM should be reported to - the VIM within 1s -- The hypervisor should report (and if possible log) its failure and recovery action. - and the destination to whom they are reported should be configurable. -- The hypervisor should support VM migration -- The hypervisor should provide isolation for VMs, so that VMs running on the same - hardware do not impact each other. -- The host OS should provide sufficient process isolation so that VMs running on - the same hardware do not impact each other. -- The hypervisor should record the VM information regularly and provide logs of - VM actions for future diagnoses. -- The NFVI should maintain the number of VMs provided to the VNF in the face of failures. - I.e. the failed VM instances should be replaced by new VM instances -3.2 Requirements on Middlewares -Requirements: -- It should be possible to detect and automatically recover from hypervisor failures - without the involvement of the VIM -- Failure of the hypervisor should be reported to the VIM within 1s -- Notifications about the state of the (distributed) storage backends shall be send to the - VIM (in-synch/healthy, re-balancing/re-building, degraded). -- Process of VIM runing on the compute node should be monitored, and failure of it should - be notified to the VIM within 1s -- Fault detection and reporting capability. There should be middlewares supporting in-band - reporting of HW failure to VIM. -- Storage data path traffic shall be redundant and fail over within 1 second on link - failures. -- Large deployments using distributed software-based storage shall separate storage and - compute nodes (non-hyperconverged deployment). -- Distributed software-based storage services shall be deployed redundantly. -- Data shall be stored redundantly in distributed storage backends. -- Upon failures of storage services, automatic repair mechanisms (re-build/re-balance of - data) shall be triggered automatically. -- The storage backend shall support geo-redundancy.
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