centos drbd 설치
사전작업
vi /etc/hosts
192.168.117.22 storage1
192.168.117.24 storage2
1번서버(192.168.17.22) : hostnamectl set-hostname storage1
1번서버(192.168.17.24) : hostnamectl set-hostname storage2
1,2번 서버 모두
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm
yum install -y kmod-drbd84 drbd84-utils
1번 firewall 적용
firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="192.168.17.22" port port="7789" protocol="tcp" accept'
firewall-cmd --reload
2번 firewall 적용
firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="192.168.17.24" port port="7789" protocol="tcp" accept'
firewall-cmd --reload
1.2 모두
mv /etc/drbd.d/global_common.conf /etc/drbd.d/global_common.conf.orig
vi /etc/drbd.d/global_common.conf
global {
usage-count yes;
}
common {
net {
protocol C;
}
}
yum install -y lvm2
pvcreate /dev/sdb
vgcreate drbd_vg /dev/sdb
lvcreate -l 100%FREE -n drbd_lv drbd_vg
vi /etc/drbd.d/r0.res
resource r0 {
on storage1 {
device /dev/drbd0;
disk /dev/drbd_vg/drbd_lv;
meta-disk internal;
address 192.168.117.22:7789;
}
on storage2 {
device /dev/drbd0;
disk /dev/drbd_vg/drbd_lv;
meta-disk internal;
address 192.168.117.24:7789;
}
}
drbdadm create-md r0
drbdadm up r0
1번
drbdadm primary --force r0
mkfs.xfs /dev/drbd0
1번 test
mount /dev/drbd0 /mnt
touch /mnt/test-01.txt
ls /mnt
umount /mnt
2번 테스트
1번에서 drbdadm secondary r0
2번에서 drbdadm primary r0
ls /mnt
umount /mnt
****
more /proc/drbd
drbdadm status
1번 2번
yum install -y pacemaker pcs psmisc policycoreutils-python
passwd hacluster
systemctl start pcsd
setenforce 0
vi /etc/selinux/config
SELINUX=disabled
1번
pcs cluster auth storage1 storage2
pcs cluster setup --start --name nfs-cluster storage1 storage2 --force
pcs cluster cib drbd_cfg
pcs -f drbd_cfg resource create Data ocf:linbit:drbd drbd_resource=r0 op monitor timeout="10" interval="10" role="Slave" op monitor timeout="10" interval="5" role="Master"
pcs -f drbd_cfg resource create Storage Filesystem device="/dev/drbd0" directory="/storage" fstype="xfs" op monitor interval="30s"
pcs -f drbd_cfg resource master DataSync Data master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 notify=true
pcs -f drbd_cfg resource create NFS-Server systemd:nfs-server op monitor interval="30s"
pcs -f drbd_cfg resource group add HA-GROUP Storage NFS-Server
pcs -f drbd_cfg constraint colocation add HA-GROUP DataSync NFS-Server INFINITY with-rsc-role=Master
pcs -f drbd_cfg constraint order promote DataSync then start Storage
pcs -f drbd_cfg constraint order promote DataSync then start NFS-Server
pcs -f drbd_cfg resource create ping_check ocf:pacemaker:ping host_list="192.168.117.1" multiplier="1000" dampen=10s op monitor interval=5s
pcs -f drbd_cfg resource clone ping_check globally-unique=false
pcs cluster cib-push drbd_cfg
pcs property set stonith-enabled=false
pcs cluster cib fs_cfg
pcs -f fs_cfg resource create NFS-Server systemd:nfs-server op monitor interval="30s"
pcs cluster cib-push fs_cfg
1번2번
systemctl enable corosync
systemctl enable pcsd
systemctl enable pacemaker
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