راه اندازی سرویس Redundant

Server A (IBSng­A) (eth0 ­ 192.168.98.1) <­­­> (eth0 ­ 192.168.98.2) Server B (IBSng­B)
Server A (eth1 ­ 192.168.10.4) <­­­> RAS <­­­> Server B (eth1 ­ 192.168.10.2)

Name For Server A → IBSng­A
Name For Server B → IBSng­B

add IBSng­A in Sever A and add IBSng­B in Server B ­­>
# nano /etc/hostname
# /etc/init.d/hostnome.sh start

# cd /root/.ssh (if not Exist, Create it)
ssh­keygen (default select in all question)
in IBSng­A ­­> cat id_rsa.pub and copy content to authorized_keys in IBSng­B
in IBSng­B ­­> cat id_rsa.pub and copy content to authorized_keys in IBSng­A
in the two server ssh to another till accept ssh key once
# nano /etc/hosts in IBSng­A , add:
192.168.98.2 (ip address of ibsng­B) IBSng­B
# nano /etc/hosts in IBSng­B , add:
192.168.98.1 (ip address of ibsng­A) IBSng­A
(in my Example: eth0 Ip address in Server A: 192.168.98.1 and eth0 Ip address in Server B:
192.168.98.2)

# ap­get install drbd8­utils
# cd /etc/drbd.d/
# mv global_common.conf /home/global_common.conf.origin
# cp /usr/local/src/tools/file/replicate/drbd/* .

# nano r0.res
on IBSng­A {
device /dev/drbd1;
disk /dev/sda3; ­­> on partitioni ke gharare pare beshe
address 192.168.98.1:7789; ­­> IP eth server A ke back to back be B vasle
meta­disk internal;
}
on IBSng­B {
device /dev/drbd1;
disk /dev/sda3;
address 192.168.98.2:7789;
meta­disk internal;
}
Ctrl + X ­­ Save file

/etc/init.d/drbd restart

# drbdadm create­md r0
# drbdadm attach r0
# drbdadm syncer r0
# drbdadm connect r0
***only in server that want to Primary:
# drbdadm ­­ ­­overwrite­data­of­peer primary r0

# mkfs.xfs /dev/drbd1

# apt­get install xfsprogs

# mount /dev/drbd1 /var/lib/postgresql

# ibsng­tools
Services → Redundancy → DRBD → Configuration:
# Network configuration #

IBSng_A=192.168.10.4
IBSng_B=192.168.10.2

float_ip=192.168.10.3

float_interface=eth1:HA
#float_ip2=192.168.2.3
#float_interface2=eth1:HA

ras_ip=192.168.1.1

sync_time_failed=900
# Status Services #
# options:( yes or Blank ) #
# Default: #

[Services]
postgres_enable= yes
IBSng_enable=
urldump_enable=yes
dispacher_enable=
general_enable=yes
restartd=

[commands]
#cprofile1=('touch /tmp/testfile')
cprofile1=('ip route add 192.168.0.0/24 (renge shabake biron) dev eth0 (vasl be net biron) proto
kernel scope link src 192.168.98.1 (ip float)')
cprofile2=('ip route add 172.16.1.1 (renge shabake biron) dev eth0 (vasl be net biron) via src
192.168.98.1 (ip float)')

# ibsng­tools
Services → Redundancy → DRBD → Health Checker (DRBD) status ­­> Enable
# /etc/init.d/health_checker restart

# go_master → in Primary Server
# go_slave → in Secondary Server
# drdb­overview

/var/log/IBSng/ibs_redundancy.log
/var/log/IBSng/ibs_check_drbd.log