The CentOS 7 SR-IOV MVAPICH2-Virt appliance is built based on OSU-CentOS7-KVM SRIOV appliance and additionally disables CPU frequency scaling to make all cores running at full speed. In this appliance, it also contains a CentOS 7 Virtual Machine image and a VM startup script, so that users can launch VMs with SR-IOV and IVSHMEM in order to run high performance MPI library MVAPICH2-Virt, across these VMs on SR-IOV enabled InfiniBand clusters.

• Image name: OSU-CentOS7-SRIOV-MVAPICH2-Virt
• Default user account: cc
• Remote access: Key-Based SSH
• Root access: passwordless sudo from the cc account
• Chameleon admin access: enabled on the ccadmin account
• Cloud-init enabled on boot: yes
• Repositories (Yum): EPEL, RDO (OpenStack)
• Installed packages:
  • Rebuilt kernel to enable IOMMU and disable CPU frequency scaling
  • Mellanox SR-IOV drivers for InfiniBand
  • KVM hypervisor
  • Standard development tools such as make, gcc, gfortran, etc.
  • Config management tools: Puppet, Ansible, Salt
  • OpenStack command-line clients
• Included VM image name: chameleon-mvapich2-virt-appliance.qcow2
• Included VM startup script: start-vm.sh
• Default VM root password: nowlab