CloudX: Mellanox CloudX Installation

• Assumptions: Installed Centos 6.4 base system, nothing else
• Access the software at:
  • http://support.mellanox.com/SupportWeb/solutions/cloudx
  • Username: cloudx
  • Password: CloudXme

Download the CloudX Image

# Standard
wget http://support.mellanox.com/ftp/versions/current/Solutions/cloudX/1.0.0.8/ONE_CLICK_CLOUDX_1.0.0.8-31032014-2146.qcow2
# Continue WHEN things go wrong
wget -c http://support.mellanox.com/ftp/versions/current/Solutions/cloudX/1.0.0.8/ONE_CLICK_CLOUDX_1.0.0.8-31032014-2146.qcow2

Base System Setup

• CentOS 6.4 Base System
• MLNX_OFED_LINUX-2.2-0.0.2_20140306_1723-rhel6.4-x86_64.tgz package copied across

Package Setup

  # Install the additional packages
  yum install -y tcl gcc-gfortran.x86_64 tk 
  tar zxvf MLNX_OFED_LINUX-2.2-0.0.2_20140306_1723-rhel6.4-x86_64.tgz 
  cd MLNX_OFED_LINUX-2.2-0.0.2_20140306_1723-rhel6.4-x86_64
  ./mlnxofedinstall --force --all

Setup Grub

• Setup GRUB to boot with SR-IOV support, add intel_iommu=on to the kernel args

title CentOS (2.6.32-358.el6.x86_64)
        root (hd0,0)
        kernel /vmlinuz-2.6.32-358.el6.x86_64 ro root=/dev/mapper/vg_blade3-lv_root \
                  rd_NO_LUKS rd_LVM_LV=vg_blade3/lv_root LANG=en_US.UTF-8 \ 
                  rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto rd_LVM_LV=vg_blade3/lv_swap \ 
                  KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet intel_iommu=on
        initrd /initramfs-2.6.32-358.el6.x86_64.img

• • • • NOTE SETUP THE BIOS - come back once confirmed settings

Verify PCI Speeds

• Setup PCI Utils, make sure we are running at 8GT/s

• ConnectX2 Sample Output - This is only GEN2 output

[root@blade1 ~]# lspci -d 15b3: -vv | grep LnkSta
		LnkSta:	Speed 5GT/s, Width x8, TrErr- Train- SlotClk- DLActive- BWMgmt- ABWMgmt-
		LnkSta2: Current De-emphasis Level: -3.5dB, EqualizationComplete-, EqualizationPhase1-

= Setup Control Node with KVM

• Verify Host Supports KVM

egrep '(vmx|svm)' --color=always /proc/cpuinfo
# Should have a vmx flag on each core

• Setup KVM

yum groupinstall  Virtualisation 'Virtualization Client' 'Virtualization Platform' 'Virtualization Tools'