AMINUL ISLAM SHAMIM

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=== Ganeti installation===

''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
  *