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cmd C:\>ipconfig /all
node1:~# cat /etc/hostname
node1
node1:~# cat /etc/hosts
127.0.0.1 localhost 10.5.12.114 node1 10.5.12.214 node2
node1:~# cat /etc/resolv.conf
nameserver 10.5.12.254
node1:~# cat /etc/network/interfaces
auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 10.5.12.114 netmask 255.255.255.0 gateway 10.5.12.254
node1:~# init 6
node1:~# apt update node1:~# ssh-keygen
node1:~# ssh-copy-id node2
scp /etc/hosts node2:/etc/ scp /etc/hostname node2:/etc/ scp /etc/resolv.conf node2:/etc/ scp /etc/network/interfaces node2:/etc/network/
node1:~# ssh node2 node2:~# cat /etc/hostname
node2
node2:~# cat /etc/network/interfaces
auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 10.5.12.214 netmask 255.255.255.0 gateway 10.5.12.254
node2:~# init 6
node2:~# apt update
nodeN:~# init 0
nodeN:~# lshw -C disk nodeN:~# mkdir /disk2 nodeN:~# apt install drbd8-utils nodeN:~# cat /etc/drbd.d/global_common.conf
... startup { ... wfc-timeout 30; } ...
# cat /etc/drbd.d/r0.res
resource r0 { on node1 { device /dev/drbd0; disk /dev/sdb; address 10.5.12.114:7788; meta-disk internal; } on node2 { device /dev/drbd0; disk /dev/sdb; address 10.5.12.214:7788; meta-disk internal; } }
nodeN:~# drbdadm create-md r0
!!! Одновременно !!! nodeN:~# systemctl start drbd node1:~# drbdadm -- --overwrite-data-of-peer primary r0 node2:~# watch cat /proc/drbd node1:~# mkfs -t ext4 /dev/drbd0 node1:~# mount /dev/drbd0 /disk2
nodeN:~# apt install lxc nodeN:~# rmdir /var/lib/lxc/ nodeN:~# ln -s /disk2/var/lib/lxc/ /var/lib/lxc node1:~# mkdir -p /disk2/var/lib/lxc/ node1:~# lxc-create -t debian -n server real 6m19.549s real 14m13.770s ...
node1:~# cat /etc/network/interfaces
auto lo iface lo inet loopback auto br0 iface br0 inet static address 10.5.12.114 netmask 255.255.255.0 gateway 10.5.12.254 bridge_ports eth0
node2:~# cat /etc/network/interfaces
auto lo iface lo inet loopback auto br0 iface br0 inet static address 10.5.12.214 netmask 255.255.255.0 gateway 10.5.12.254 bridge_ports eth0
node1:~# cat /var/lib/lxc/server/config
... lxc.network.type = veth lxc.network.link = br0 lxc.network.flags = up lxc.network.ipv4 = 10.5.12.123/24 lxc.network.ipv4.gateway = 10.5.12.254
node1:~# chroot /var/lib/lxc/server/rootfs/ /bin/bash root@node1:/# PS1='server:\w# ' server:/# apt update server:/# apt purge isc-dhcp-client server:/# apt install nano vim iputils-ping server:/# cat /etc/hostname
server
server:/# cat /etc/hosts
127.0.0.1 localhost 10.5.12.123 server
server:/# cat /etc/resolv.conf
nameserver 10.5.12.254
nodeN:~# init 0
!!! Одновременно !!! nodeN:~# systemctl start drbd nodeN:~# cat /proc/drbd node1:~# drbdadm primary r0 node1:~# mount /dev/drbd0 /disk2 node1:~# lxc-info -n server node1:~# lxc-start -n server node1:~# lxc-info -n server node1:~# lxc-attach -n server -- bash root@server:~# time apt install asterisk real 3m20.521s
nodeN:~# apt install corosync nodeN:~# cat /etc/corosync/corosync.conf
... bindnetaddr: 10.5.12.0 ... mcastaddr: 239.255.1.14 ...
nodeN:~# systemctl restart corosync nodeN:~# corosync-cmapctl | grep members
nodeN:~# apt install pacemaker nodeN:~# crm_mon -1 node1:~# apt install crmsh node1:~# crm status node1:~# crm configure show node1:~# crm
configure property stonith-enabled=false configure property no-quorum-policy=ignore configure property default-resource-stickiness=100 configure show exit
root@server:~# cat /etc/asterisk/sip.conf
[general] transport=udp disallow=all allow=alaw [401] secret=tpassword401 type=friend host=dynamic allowsubscribe=no
root@server:~# cat /etc/asterisk/extensions.conf
[default] exten => 301,1,Answer() exten => 301,n,Playback(hello-world) exten => 301,n,Hangup() exten => 311,1,Answer() same => n,Echo()
root@server:~# asterisk -rv server*CLI> core reload server*CLI> sip show users server*CLI> sip show peers server*CLI> dialplan show default server*CLI> exit
node1:~# lxc-stop -n server node1:~# lxc-info -n server node1:~# umount /disk2 #примерно, через минуту node1:~# drbdadm secondary r0 node1:~# cat /proc/drbd node2:~# drbdadm primary r0 node2:~# mount /dev/drbd0 /disk2 node2:~# lxc-start -n server
node2:~# lxc-stop -n server nodeN:~# mkdir /etc/systemd/system/lxc@server.service.d/ nodeN:~# cat /etc/systemd/system/lxc@server.service.d/kill_signal_fix.conf
[Service] KillSignal=SIGRTMIN+3
node2:~# systemctl start lxc@server node2:~# systemctl status lxc@server node2:~# lxc-info -n server node2:~# systemctl stop lxc@server node2:~# lxc-info -n server
node2:~# umount /disk2 nodeN:~# systemctl stop drbd nodeN:~# apt install psmisc #сюда входит утилита fuser node1:~# crm configure
primitive pr_drbd_r0 ocf:linbit:drbd params drbd_resource="r0" op monitor interval="15s" ms ms_drbd_r0 pr_drbd_r0 meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" primitive pr_fs_r0 ocf:heartbeat:Filesystem params device="/dev/drbd0" directory="/disk2" fstype="ext4" colocation col_fs_on_drbd inf: pr_fs_r0 ms_drbd_r0:Master order or_fs_after_drbd inf: ms_drbd_r0:promote pr_fs_r0:start primitive pr_lxc_server systemd:lxc@server group gr_fs_lxc pr_fs_r0 pr_lxc_server commit exit
node1:~# crm status
nodeN:~# crm_mon nodeN:~# watch cat /proc/drbd