AMINUL ISLAM SHAMIM

apt install bridge-utils ganeti ganeti-doc ganeti-instance-debootstrap ganeti-os-noop

• *KVM Network configuration**

/etc/network/interfaces

# Management interface auto eno1 iface eno1 inet manual

auto br-lan iface br-lan inet static

      address         10.4.64.211
      netmask         255.255.255.240
      gateway         10.4.64.209
      dns-nameservers 210.4.77.180
      bridge_ports    eno1
      bridge_stp      off
      bridge_fd       0
      bridge_maxwait  0

# VM Service interface public auto eno2 iface eno2 inet manual

auto br-svc iface br-svc inet manual

      bridge_ports    eno2
      bridge_stp      off
      bridge_fd       0
      bridge_maxwait  0

# Replication network auto eno3 iface eno3 inet manual

auto br-rep iface br-rep inet static

      address 10.4.64.226
      netmask 255.255.255.240
      bridge_ports    eno3
      bridge_stp      off
      bridge_fd       0
      bridge_maxwait  0

http://ftp.debian.org/debian/pool/main/g/ganeti-os-noop/

Ganeti-os-noop_0.2-4_all.deb and install

https://wiki.osuosl.org/ganeti/common_commands.html

https://nsrc.org/workshops/2014/sanog23-virtualization/raw-attachment/wiki/Agenda/ganeti.pdf

egrep -c '(vmx|svm)' /proc/cpuinfo

https://nsrc.org/workshops/2014/wacren-virtualization/raw-attachment/wiki/Agenda/ex-ganeti-install.htm

https://nsrc.org/activities/agendas/en/cloud-virtualization/cloud-virt/en/ganeti/ex-ganeti-install.html

gnt-cluster modify -N link=br-svc

Cluster conf

• # 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

• Adding nodes to the cluster - MASTER NODE ONLY
• # gnt-node add iptcloud2.bdcom.com
• # gnt-cluster verify

• VNC PASS send to Cluster
• echo 'RU6W5^r_Zh' >/etc/ganeti/vnc-cluster-password
• chmod 600 /etc/ganeti/vnc-cluster-password
• gnt-cluster copyfile /etc/ganeti/vnc-cluster-password
• gnt-cluster modify -H kvm:vnc_password_file=/etc/ganeti/vnc-cluster-password

• gnt-instance info cwp
• gnt-instance list -o +network_port
• gnt-instance shutdown ntvbd
• gnt-instance modify -B minmem=4GB,maxmem=8GB ntvbd
• gnt-instance list -o +network_port
• gnt-instance start ntvbd
• root@spc1:~# history |grep mtest
• 344 gnt-instance add -t plain -o noop -s 400G -B minmem=4GB,maxmem=8GB -n spc1.bdcom.com.bd –no-start –no-name-check –no-ip-check mtest
• 345 gnt-instance start -H boot_order=cdrom,cdrom_image_path=/var/iso/debian-7.11.0-amd64-netinst.iso mtest
• 349 gnt-instance reboot mtest
• 362 gnt-instance drop mtest
• 363 gnt-instance remove mtest
• 365 gnt-instance add -t plain -o noop -s 400G -B minmem=4GB,maxmem=8GB -n spc1.bdcom.com.bd –no-start –no-name-check –no-ip-check mtest
• 366 gnt-instance start -H boot_order=cdrom,cdrom_image_path=/var/iso/debian-7.11.0-amd64-netinst.iso mtest
• 375 gnt-instance reboot mtest
• 376 gnt-instance reboot mtest
• 404 gnt-instance reboot mtest
• 478 gnt-instance info mtest
• 483 gnt-instance shutdown mtest
• 493 gnt-instance remove mtest
• 495 history |grep mtest
• 454 gnt-instance info syn2 |grep vcpu
• 455 gnt-instance modify -B vcpus=2 syn2
• gnt-instance list -o +network_port
• gnt-instance shutdown ntvbd
• gnt-instance modify -B minmem=4GB,maxmem=8GB ntvbd
• gnt-instance list -o +network_port
• gnt-instance start ntvbd
• gnt-node list
• gnt-node list-storage
• gnt-cluster info | more
• gnt-instance add -t plain -o noop -s 400G -B minmem=4GB,maxmem=4GB -n vps1.bdcom.com –no-start –no-name-check –no-ip-check dns2
• tail /var/log/ganeti/node-daemon.log
• alias gls='gnt-instance list -o +network_port'
• #alias glst='gnt-instance list -o name,pnode,snodes,oper_ram,nic.bridge/0,network_port,nic.link/0,sda_size,status'
• alias glst='gnt-instance list -o name,pnode,oper_ram,nic.bridge/0,network_port,nic.link/0,sda_size,status'
• vi .bashrc
• source .bashrc
• glst

https://nsrc.org/workshops/2014/bdnog1/raw-attachment/wiki/Track3Agenda/ex-ganeti-install-bdnog.htm

• gnt-backup export -n node1.example.com instance3.example.com
• # gnt-instance add -t drbd -H lxc -B minmem=128G,maxmem=128G,vcpus=8 -o clone-image+sles11-sp3 –net 0:network=gruen103,ip=X.X.X.X –disk 0:size=15G,name='/:ext3:noatime' –disk 1:size=100G,name='/data:xfs:noatime' –no-name-check –no-ip-check –no-wait-for-sync hc2.XXXXXX.de
• 467 gnt-node list
• 468 gnt-node modify –offline=yes vpsc2.bdcom.com
• 469 gnt-node list
• 470 gnt-node remove vpsc2.bdcom.com
• 471 gls
• 472 gnt-instance remove rnd
• 473 gnt-instance remove rnd –ignore-failures
• 474 gnt-instance remove –ignore-failures rnd
• 475 gls
• 476 gnt-instance remove –ignore-failures olbwebmin
• 477 gnt-instance remove –ignore-failures office-gw
• 478 gnt-instance remove –ignore-failures mblaster
• 479 clear
• 480 gls
• 481 gnt-instance remove –ignore-failures dalo-aaa
• 482 gnt-instance remove –ignore-failures cacti-wasa
• 483 clear
• 484 gls
• 485 gnt-instance remove –ignore-failures ansible
• 486 gnt-node remove vpsc2.bdcom.com
• 487 gnt-node list