gfs管理与维护

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1、GFS管理与维护简介一•首先明确几个重要的rpm包.(1)RedHatGFSCluster中的rpm包:system-config-cluster—ContainstheCluster,ConfigurationTool,usedtographicallyconfiguretheclusterandthedisplayofthecurrentstatusofthenodes,resources,fencingagents,andclusterservices.ccsd一Containstheclusterconfigurationse

2、rvicesdaemon(ccsd)andassociatedfiles.cman一ContainstheClusterManager(CMAN),whichisusedformanagingclustermembership,messaging,andnotification.dim一Containsdistributedlockmanagement(DLM)library.fence一TheclusterI/Ofencingsystemthatallowsclusternodestoconnecttoavarietyofnetwo

3、rkpowerswitches,fibrechannelswitches,andintegratedpowermanagementinterfaces.(2)RedHatGFS中的rpm包:GFS—TheRedHatGFSmodule.注意:GFS文件系统是建立在cluster集群之上的，没有cluster就没有GFS,换言之:在单个节点上安装GFS没有任何意义.—.检查GFS文件系统四个服务的状态.(1)serviceccsdstatus正常情况下显示：[root@systemlab-14〜]#serviceccsdstatuscc

4、sd(pid6437)isrunning...(2)servicecmanstatus正常情况下显示：[root@systemlab-14〜]#servicecmanstatusProtocolversion:5.0.1Configversion:2Clustername:alpha_clusterClusterID:50356ClusterMember:YesMembershipstate:Cluster-MemberNodes:14Expected_votes:14Total_votes:14Quorum:8Activesubsy

5、stems:9Nodename:systemlab-14NodeID:8Nodeaddresses:192.168.50.23(1)servicefencedstatus正常情况下显示：[root@systemlab-14〜]#servicefencedstatusfenced(pid7387)isrunning...(2)serviceclvmdstatus正常情况下显示：[root@systemlab-14〜]#serviceclvmdstatusclvmd(pid7685)isrunning...三•检查集群状态：命令:clus

6、tatex:[root@systemlab-14〜]#clustatMemberStatus:QuorateResourceGroupManagernotrunning;noserviceinformationavailable.MemberNameStatussystemlab-1systemlab-2systemlab-3systemlab-4systemlab-5systemlab-6systemlab-7systemlab-8systemlab-9systemlab-10systemlab-11systemlab-12syst

7、emlab-13systemlab-14OnlineOnlineOnlineOnlineOnlineOnlineOnlineOnlineOnlineOnlineOnlineOnlineOnlineOnline,Local其屮:状态正常:Online具体命令内容即参数请参考:manclustat.状态异常：Offline四.GFS集群配置文件.一个集群屮的各个节点的配置文件应该是一致的.位置都是在/etc/cluster/卜,名字是cluster.conf.ex:[root@systemlab-14〜]#cat/etc/cluster/

8、cluster.conf