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acelab:opennebula_sr-iov_vmm_driver [2013/09/26 08:14]
dmacleod [Testing Environment] 		acelab:opennebula_sr-iov_vmm_driver [2021/12/09 16:42] (current)
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 ====== OpenNebula KVM SR-IOV Driver ====== ====== OpenNebula KVM SR-IOV Driver ======
  
-With the recent release of an OFED which supports SR-IOV on Infiniband HCAs it is now possible to use verbs from inside a VM. This VMM driver supports these Infiniband HCAs, and any other SR-IOV network device, in OpenNebula.+With the release of an OFED which supports SR-IOV on Infiniband HCAs it is now possible to use verbs from inside a VM. This VMM driver supports these Infiniband HCAs, and any other SR-IOV network device, in OpenNebula.
  
 Demonstration Video: Demonstration Video:
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     0x07 0x00 0x04     0x07 0x00 0x04
  
-6. If using the driver is mlnx_ofed2 mode you need to specify the device and port number of the interface. To find the device ID execute: +6. If using the driver in "mlnx_ofed2" mode you need to specify the device and port number of the interface. To find the device ID execute: 
     ls /sys/class/infiniband     ls /sys/class/infiniband
 You will see a list of Infiniband devices "mlx4_<x>". The device ID is the <x>. To find the port ID execute: You will see a list of Infiniband devices "mlx4_<x>". The device ID is the <x>. To find the port ID execute:
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 Enabling huge pages on KVM virtual machines will greatly improve memory performance. To enable huge pages on your VM hosts follow these instructions: Enabling huge pages on KVM virtual machines will greatly improve memory performance. To enable huge pages on your VM hosts follow these instructions:
 http://www.linux-kvm.com/content/get-performance-boost-backing-your-kvm-guest-hugetlbfs http://www.linux-kvm.com/content/get-performance-boost-backing-your-kvm-guest-hugetlbfs
 +
 +Huge page backed VMs will be enabled if "HPC_MODE" is set "on".
 ==== Network Isolation ==== ==== Network Isolation ====
  
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