Ganeti
Ganeti
Install Ganeti
Debian 9
Install packages
apt-get install drbd-utils ganeti2 ganeti-instance-debootstrap qemu-kvm resolvconf lvm2 bridge-utils lzop
PCI Passthrough
/etc/modules
drbd vfio vfio_iommu_type1 vfio_pci vfio_virqfd
/etc/modprobe.d/vfio.conf
GTX1080
options vfio-pci ids=10de:1b80,10de:10f0
Networking
# The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet manual auto br-lan iface br-lan inet static address 134.197.X.X netmask 255.255.255.0 gateway 134.197.X.X bridge_ports eth0 bridge_stp off bridge_fd 0 bridge_maxwait 0 # Replication network DRBD auto eth1 iface eth1 inet manual auto br-rep iface br-rep inet static address 172.X.X.X netmask 255.255.255.0 bridge_ports eth1 bridge_stp off bridge_fd 0 bridge_maxwait 0
DRBD Setup
echo "options drbd minor_count=128 usermode_helper=/bin/true" >/etc/modprobe.d/drbd.conf echo "drbd" >>/etc/modules rmmod drbd # ignore error if the module isn't already loaded modprobe drbd update-initramfs -u
Initialize Master Node
gnt-cluster init \ --master-netdev=br-lan \ --enabled-hypervisors=kvm \ -s 172.20.128.11 \ --vg-name vg-ganeti \ --compression-tools gzip,gzip-fast,gzip-slow,lzop \ $HOSTNAME gnt-cluster modify -H kvm:kernel_path=,initrd_path= #Fix DF logjam openssl dhparam -out dhparams.pem 2048 cat dhparams.pem >> /var/lib/ganeti/server.pem #Change default link gnt-cluster modify --nic-parameters link=br-lan
Add Node
gnt-node add -s 172.X.X.X cnode#.cse.unr.edu
Configuration
GFX Passthrough
unbind the PCI devices
lspci -nn | grep $YOUR_PCI_DEVICE echo > 1 /sys/bus/pci/devices/0000:42:00.0/remove echo > 1 /sys/bus/pci/devices/0000:42:00.1/remove echo > 1 /sys/bus/pci/devices/0000:04:00.1/remove echo > 1 /sys/bus/pci/devices/0000:04:00.0/remove echo 10de 1b80 | tee /sys/bus/pci/drivers/vfio-pci/new_id echo 10de 10f0 | tee /sys/bus/pci/drivers/vfio-pci/new_id
Modify Ganeti after installing Ubuntu\CentOS\RHEL
gnt-instance modify -H kvm_extra="\ -drive if=pflash\,format=raw\,readonly\,file=/usr/share/OVMF/OVMF_CODE.fd \ -drive if=pflash\,format=raw\,file=/var/local/ovmf/$HOST \ -device vfio-pci\,host=04:00.0\,addr=0x9 \ -device vfio-pci\,host=04:00.1\,addr=0x10 \ -cpu host\,kvm=off" $HOST gnt-instance modify -H vga=none $HOST
Grub Changes for booting
GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=20 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="" GRUB_CMDLINE_LINUX="console=tty0 console=ttyS0,115200n8" GRUB_TERMINAL=serial GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"
Clusters
g.engr.unr.edu
Engineering Cluster
g.engr.unr.edu g1.engr.unr.edu
Commands
#Add an instance gnt-instance add -t plain -o debootstrap+stretch --disk 0:size=200G -B vcpus=4,minmem=256M,maxmem=8192M --no-name-check --no-ip-check --no-start $HOSTNAME #Boot from host kernel gnt-instance start -H kernel_path=/var/tmp/vmlinuz,initrd_path=/var/tmp/initrd.img,kernel_args="" $HOSTNAME #Import A Backup gnt-backup import --src-node=g1.engr.unr.edu --src-dir=$SRC_DIR -t plain --no-name-check --no-ip-check $HOSTNAME
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- Last Author
- newellz2
- Last Edited
- Jun 22 2017, 1:30 PM