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这篇文章给大家分享的是有关如何实现基于 ceph rbd+corosync+pacemaker HA-NFS 文件共享的内容。丸趣 TV 小编觉得挺实用的，因此分享给大家做个参考，一起跟随丸趣 TV 小编过来看看吧。
1、架构图
2、环境准备 1.1 IP 规划
两台支持 rbd 的 nfs-server 主机：10.20.18.97 10.20.18.11
Vip:10.20.18.123 设置在同一网段
1.2 软件安装
# yum install pacemaker corosync cluster-glue resource-agents
# rpm -ivh crmsh-2.1-1.6.x86_64.rpm –nodeps1.3 ssh 互信略 1.4 ntp 配置略 1.5 配置 hosts(两台)
# vi /etc/hosts
10.20.18.97 SZB-L0005908
10.20.18.111 SZB-L00054693 Corosync 配置（两台）3.1 配置 corosync
# mv /etc/corosync/corosync.conf.example /etc/corosync/corosync.conf
# vi /etc/corosync/corosync.conf
# Please read the corosync.conf.5 manual page
compatibility: whitetank
totem {
version: 2
secauth: off
threads: 0
interface {
ringnumber: 0
bindnetaddr: 10.20.18.111
mcastaddr: 226.94.1.1
mcastport: 5405
ttl: 1
logging {
fileline: off
to_stderr: no
to_logfile: yes
to_syslog: yes
logfile: /var/log/cluster/corosync.log
debug: off
timestamp: on
logger_subsys {
subsys: AMF
debug: off
amf {
mode: disabled
service {
ver: 0
name: pacemaker
aisexec {
user: root
group: root
}Bindnetaddr 为节点 ip
Mcastaddr 为合法的组播地址，随便填
3.2 启动 corosync
# service corosync start3.3 参数设置（目的是因为只有 2 个节点，忽略法定票数）
# crm configure property stonith-enabled=false
# sudo crm configure property no-quorum-policy=ignore3.4 查看节点状态（都 online 就 ok）
# crm_mon -1
Last updated: Fri May 22 15:56:37 2015
Last change: Fri May 22 13:09:33 2015 via crmd on SZB-L0005469
Stack: classic openais (with plugin)
Current DC: SZB-L0005908 - partition with quorum
Version: 1.1.10-14.el6-368c726
2 Nodes configured, 2 expected votes
0 Resources configured
Online: [ SZB-L0005469 SZB-L0005908 ]4. Pacemaker 资源配置
说明: Pacemaker 主要管理资源，本实验中为了搭建 rbd-nfs，所以会对 rbd map、mount、nfs-export、vip 等资源进行管理。简而言之，自动实现 rbd 到 nfs 共享。
4.1 格式化 rbd
(本实验创建的镜像为 share/share2), 只需在一个节点做一次。
# rados mkpool share
# rbd create share/share2 –size 1024
# rbd map share/share2
# rbd showmapped
# mkfs.xfs /dev/rbd1
# rbd unmap share/share24.2 资源 pacemaker 配置 4.2.1 准备 rbd.in 脚本
(拷贝 ceph 源码中脚本 src/ocf/rbd.in 到下面目录，所有节点都做)
# mkdir /usr/lib/ocf/resource.d/ceph
# cd /usr/lib/ocf/resource.d/ceph/
# chmod + rbd.in注：下面配置单个节点做
4.2.2 配置 rbd map
(可以用 crm configure edit 命令直接 copy 下面内容)
# primitive p_rbd_map_1 ocf:ceph:rbd.in \
params user=admin pool=share name=share2 cephconf= /etc/ceph/ceph.conf \
op monitor interval=10s timeout=20s4.2.3 mount 文件系统
# primitive p_fs_rbd_1 Filesystem \
params directory= /mnt/share2 fstype=xfs device= /dev/rbd/share/share2 fast_stop=no \
op monitor interval=20s timeout=40s \
op start interval=0 timeout=60s \
op stop interval=0 timeout=60s4.2.4 nfs-export
primitive p_export_rbd_1 exportfs \
params directory= /mnt/share2 clientspec= 10.20.0.0/24 options= rw,async,no_subtree_check,no_root_squash fsid=1 \
op monitor interval=10s timeout=20s \4.2.5 VIP 配置
primitive p_vip_1 IPaddr \
params ip=10.20.18.123 cidr_netmask=24 \
op monitor interval=54.2.6 nfs 服务配置
primitive p_rpcbind lsb:rpcbind \
op monitor interval=10s timeout=30s
primitive p_nfs_server lsb:nfs \
op monitor interval=10s timeout=30s4.3 源组配置
group g_nfs p_rpcbind p_nfs_server
group g_rbd_share_1 p_rbd_map_1 p_fs_rbd_1 p_export_rbd_1 p_vip_1
clone clo_nfs g_nfs \
meta globally-unique= false target-role= Started4.4 资源定位规则
location l_g_rbd_share_1 g_rbd_share_1 inf: SZB-L00054694.5 查看总的配置 (可略过)
# crm configure edit node SZB-L0005469 node SZB-L0005908primitive p_export_rbd_1 exportfs \ params directory= /mnt/share2 clientspec= 10.20.0.0/24 options= rw,async,no_subtree_check,no_root_squash fsid=1 \ op monitor interval=10s timeout=20s \op start interval=0 timeout=40s primitive p_fs_rbd_1 Filesystem \ params directory= /mnt/share2 fstype=xfs device= /dev/rbd/share/share2 fast_stop=no \ op monitor interval=20s timeout=40s \ op start interval=0 timeout=60s \ op stop interval=0 timeout=60s primitive p_nfs_server lsb:nfs \ op monitor interval=10s timeout=30s primitive p_rbd_map_1 ocf:ceph:rbd.in \ params user=admin pool=share name=share2 cephconf= /etc/ceph/ceph.conf \ op monitor interval=10s timeout=20s primitive p_rpcbind lsb:rpcbind \ op monitor interval=10s timeout=30sprimitive p_vip_1 IPaddr \ params ip=10.20.18.123 cidr_netmask=24 \ op monitor interval=5group g_nfs p_rpcbind p_nfs_server group g_rbd_share_1 p_rbd_map_1 p_fs_rbd_1 p_export_rbd_1 p_vip_1 clone clo_nfs g_nfs \ meta globally-unique=false target-role=Startedlocation l_g_rbd_share_1 g_rbd_share_1 inf: SZB-L0005469property cib-bootstrap-options: \ dc-version=1.1.10-14.el6-368c726 \ cluster-infrastructure= classic openais (with plugin) \ symmetric-cluster=true \ stonith-enabled=false \ no-quorum-policy=ignore \ expected-quorum-votes=2 rsc_defaults rsc_defaults-options: \ resource-stickiness=0 \ migration-threshold=1
4.6 重启 corosync 服务 (两台)
# service corosync restart
# crm_mon -1
Last updated: Fri May 22 16:55:14 2015
Last change: Fri May 22 16:52:04 2015 via crmd on SZB-L0005469
Stack: classic openais (with plugin)
Current DC: SZB-L0005908 - partition with quorum
Version: 1.1.10-14.el6-368c726
2 Nodes configured, 2 expected votes
8 Resources configured
Online: [ SZB-L0005469 SZB-L0005908 ]
Resource Group: g_rbd_share_1
p_rbd_map_1 (ocf::ceph:rbd.in): Started SZB-L0005469
p_fs_rbd_1 (ocf::heartbeat:Filesystem): Started SZB-L0005469
p_export_rbd_1 (ocf::heartbeat:exportfs): Started SZB-L0005469
p_vip_1 (ocf::heartbeat:IPaddr): Started SZB-L0005469
Clone Set: clo_nfs [g_nfs]
Started: [ SZB-L0005469 SZB-L0005908 ]5 测试 5.1 查看挂载点（通过虚拟 Ip）
# showmount -e 10.20.18.123
Export list for 10.20.18.123:
/mnt/share2 10.20.0.0/245. 2 故障转移测试
# service corosync stop # SZB-L0005469 执行
# crm_mon -1 # SZB-L0005908 执行
Last updated: Fri May 22 17:14:31 2015
Last change: Fri May 22 16:52:04 2015 via crmd on SZB-L0005469
Stack: classic openais (with plugin)
Current DC: SZB-L0005908 - partition WITHOUT quorum
Version: 1.1.10-14.el6-368c726
2 Nodes configured, 2 expected votes
8 Resources configured
Online: [ SZB-L0005908 ]
OFFLINE: [ SZB-L0005469 ]
Resource Group: g_rbd_share_1
p_rbd_map_1 (ocf::ceph:rbd.in): Started SZB-L0005908
p_fs_rbd_1 (ocf::heartbeat:Filesystem): Started SZB-L0005908
p_export_rbd_1 (ocf::heartbeat:exportfs): Started SZB-L0005908
p_vip_1 (ocf::heartbeat:IPaddr): Started SZB-L0005908
Clone Set: clo_nfs [g_nfs]
Started: [ SZB-L0005908 ]
Stopped: [ SZB-L0005469 ]感谢各位的阅读！关于“如何实现基于 ceph rbd+corosync+pacemaker HA-NFS 文件共享”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，让大家可以学到更多知识，如果觉得文章不错，可以把它分享出去让更多的人看到吧！
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