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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。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。
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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
# yum install pacemaker corosync cluster-glue resource-agents # rpm -ivh crmsh-2.1-1.6.x86_64.rpm –nodeps
# vi /etc/hosts 10.20.18.97 SZB-L0005908 10.20.18.111 SZB-L0005469
# 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
# service corosync start
# crm configure property stonith-enabled=false # sudo crm configure property no-quorum-policy=ignore
# 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 ]
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。
(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/share2
(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
(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=20s
# 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_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 \
primitive p_vip_1 IPaddr \ params ip=10.20.18.123 cidr_netmask=24 \ op monitor interval=5
primitive p_rpcbind lsb:rpcbind \ op monitor interval=10s timeout=30s primitive p_nfs_server lsb:nfs \ op monitor interval=10s timeout=30s
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="Started"
location l_g_rbd_share_1 g_rbd_share_1 inf: SZB-L0005469
# crm configure edit node SZB-L0005469 node SZB-L0005908 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 \ 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=30s primitive p_vip_1 IPaddr \ params ip=10.20.18.123 cidr_netmask=24 \ op monitor interval=5 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=Started location l_g_rbd_share_1 g_rbd_share_1 inf: SZB-L0005469 property 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
# 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 ]
# showmount -e 10.20.18.123 Export list for 10.20.18.123: /mnt/share2 10.20.0.0/24
# 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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